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WO2022169016A1 - Dispositif électronique et procédé de commande associé - Google Patents

Dispositif électronique et procédé de commande associé Download PDF

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Publication number
WO2022169016A1
WO2022169016A1 PCT/KR2021/001980 KR2021001980W WO2022169016A1 WO 2022169016 A1 WO2022169016 A1 WO 2022169016A1 KR 2021001980 W KR2021001980 W KR 2021001980W WO 2022169016 A1 WO2022169016 A1 WO 2022169016A1
Authority
WO
WIPO (PCT)
Prior art keywords
playback device
content
playback
user
video
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2021/001980
Other languages
English (en)
Korean (ko)
Inventor
진형주
김인수
오수정
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020210016892A external-priority patent/KR102900052B1/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of WO2022169016A1 publication Critical patent/WO2022169016A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/4508—Management of client data or end-user data
    • H04N21/4524—Management of client data or end-user data involving the geographical location of the client
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4621—Controlling the complexity of the content stream or additional data, e.g. lowering the resolution or bit-rate of the video stream for a mobile client with a small screen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/485—End-user interface for client configuration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/485—End-user interface for client configuration
    • H04N21/4852—End-user interface for client configuration for modifying audio parameters, e.g. switching between mono and stereo

Definitions

  • Various embodiments of the present invention relate to an electronic device and a control method thereof, and more particularly, to an electronic device capable of providing a seamless playback service and a control method thereof.
  • a seamless playback service that has recently been spotlighted is a service that utilizes Internet of things technology, and controls content to be continuously played between a plurality of playback devices based on a user's location. For example, when the first playback device and the second playback device are provided at different locations, if the user moves to the location where the second playback device is provided while content is being played on the first playback device, the first playback device is provided by the seamless playback service The continuity of content reproduction is maintained by allowing the second reproducing apparatus to reproduce the content reproduced in the reproducing apparatus.
  • the second playback device is implemented as a stationary device that does not move according to the user's location, in a situation where the user is moving between the first playback device and the second playback device, the content played on the first playback device may not be able to watch. This impairs the continuity of content reproduction and causes the quality of the seamless reproduction service to deteriorate.
  • the discontinuity of the content reproduction is rather promoted, giving the user discomfort and rejection, and lowering the quality of the seamless playback service.
  • an object of the present invention is to provide an electronic device capable of improving the quality of a seamless playback service and a method for controlling the same by utilizing a location-flexible playback device and taking into account the change in the distance between the playback device and the user in content playback.
  • the interface unit for communicating with at least one external device; a memory storing at least one instruction; and a processor that executes the at least one instruction stored in the memory, wherein the processor executes the at least one instruction so that the first playback device among a plurality of playback devices including the at least one external device It is identified that the moving user's position is out of the range of the first playback device while the content is being played, and the second playback device moves in response to the user's position, and the second playback device can provide Identifies a playback function of the content, and performs a control operation so that the second playback device subsequently plays the video of the content played on the first playback device based on the identified playback function, and according to the movement of the user Control operation so that the audio volume level of the content reproduced on the first playback device and the audio volume level of the content played on the second playback device are adjusted in response to a change in the distance between the first playback device and the user It is achieved by an electronic device that performs
  • the processor is configured to identify a usage state of the second playback device, and, based on a display type corresponding to the identified usage status among a plurality of display types for the video of the content, the second playback device is configured to display the video of the content.
  • the control operation is performed to reproduce
  • the second playback device includes a playback device in which the user's position is entered outside the range among the plurality of playback devices.
  • the processor is configured to identify that the location of the user is outside the range of the first playback device and then enters the range of the second playback device after a predetermined time elapses; The control operation is performed so that the second reproducing apparatus subsequently reproduces the portion corresponding when it is out of range of the reproducing apparatus.
  • the corresponding portion of the video includes a portion preset to correspond to the user among videos of the content.
  • the processor identifies a preset event occurring in the second playback device, and, in response to the identified event, plays the video of the content or adjusts the audio volume level of the content in the second playback device The control operation is performed.
  • the processor is configured to: in response to a preset event occurring in the second playback device, when the second playback device cannot reproduce the video of the content played on the first playback device, one of the plurality of playback devices
  • the control operation is performed to display a notification regarding the video of the content to another second playback device identified as being capable of playing the video of the content.
  • the processor selects at least one of video or audio of the content reproduced in the first playback device by a user input, and controls the second playback device to play the video or audio of the content selected by the user input perform the action
  • the processor obtains information on the surrounding environment of the second playback device, and performs the control operation so that the second playback device reproduces a content corresponding to the surrounding environment from among a plurality of reproducible contents.
  • the second playback device includes a wearable device that can be worn by the user, and the processor plays video or audio of the content while the wearable device is worn by the user, and when the wearable device is detached from the user , the control operation is performed so that another second playback device among the plurality of playback devices plays the content.
  • the at least one second playback device includes two or more second playback devices among the plurality of playback devices, and the processor selects one of the two or more second playback devices according to a user input, The second playback device performs the control operation to reproduce the content reproduced by the first playback device.
  • the playback device includes the electronic device.
  • the step of performing a control operation so that the video of the content is subsequently played back by the second playback device may include: identifying a use state of the second playback device; and performing the control operation so that the second playback device reproduces the video of the content based on a display type corresponding to the identified usage state among a plurality of display types for the video of the content.
  • the second playback device includes a playback device in which the user's position is entered outside the range among the plurality of playback devices.
  • the location of the user is out of the range of the first playback device and then enters the range of the second playback device after a predetermined time elapses identifying the pit; and performing the control operation so that the second playback device subsequently plays a portion of the video of the content corresponding to when the location of the user is out of the range of the first playback device.
  • the corresponding portion of the video includes a portion preset to correspond to the user among videos of the content.
  • the controlling operation to adjust the audio volume level of the content may include: identifying a preset event occurring in the second playback device; and performing the control operation so that the video of the content is played or the audio volume level of the content is adjusted in the second playback device in response to the identified event.
  • the step of performing the control operation so that the video of the content is played back or the audio volume level of the content is adjusted in the second playback device in response to the identified event may include: In response to a set event, when the second playback device cannot reproduce the video of the content played by the first playback device, another identified as capable of playing the video of the content among the plurality of playback devices.
  • the method further includes performing the control operation to display a notification regarding the video of the content on a second playback device.
  • An object of the present invention is to provide a recording medium storing a computer program including a code for performing a control method of an electronic device as a computer readable code, among a plurality of playback devices including at least one external device. recognizing that the moving user's position is out of the range of the first playback device while the first playback device plays the content, and the second playback device moves in response to the user's position; identifying, by the second playback device, a playback function of a content that can be provided; performing a control operation so that the video of the content reproduced by the first playback device is subsequently played back by the second playback device based on the identified playback function; and an audio volume level of the content reproduced on the first playback device and audio of the content played on the second playback device in response to a change in the distance between the first playback device and the user according to the movement of the user. It is also achieved by a recording medium in which a computer-readable program is recorded, comprising the step of performing a control operation so that the
  • an electronic device capable of improving the quality of a seamless playback service and a control method thereof are provided.
  • FIG. 1 illustrates an example in which a seamless playback service is provided by an electronic device.
  • FIG. 2 is a block diagram of an electronic device and an external device.
  • FIG. 3 is a flowchart of a control method of an electronic device.
  • FIG. 4 is a detailed embodiment related to operations S31 to S34 of FIG. 3 and shows an embodiment of adjusting an audio volume level for a second playback device.
  • FIG. 5 is a specific embodiment related to operations S31 to S34 of FIG. 3 and shows an embodiment of video playback and audio volume level adjustment using a location-flexible playback device.
  • FIG. 6 is a specific embodiment related to operations S31 to S34 of FIG. 3 , and illustrates an embodiment of video reproduction and audio volume level adjustment by a plurality of playback devices.
  • FIG. 6 shows an embodiment of video playback based on a display type corresponding to a usage state of the second playback apparatus, as an embodiment related to operation S33 of FIG. 3 .
  • FIG. 7 is an embodiment related to operation S33 of FIG. 3 and shows an embodiment of video reproduction for a corresponding portion when out of range.
  • FIG. 8 is an embodiment related to operation S33 of FIG. 3 , and shows an embodiment of video playback for a preset part. It shows an embodiment of video playback.
  • FIG. 9 illustrates an embodiment of video reproduction and audio volume level adjustment corresponding to a preset event as an embodiment related to operation S31 of FIG. 3 .
  • FIG. 10 is an embodiment related to operation S32 of FIG. 3 and shows an embodiment of a video play available notification.
  • 11 is an embodiment related to operation S33 of FIG. 3 and shows an embodiment of content reproduction by a user input.
  • FIG. 12 is an embodiment related to operation S33 of FIG. 3 and shows an embodiment of adjusting a video characteristic level and adjusting an audio volume level by a surrounding environment.
  • FIG. 13 is an embodiment related to operation S33 of FIG. 3 and shows an embodiment of content recommendation by the surrounding environment.
  • FIG. 14 is an embodiment related to operation S31 of FIG. 3 and shows an embodiment of content reproduction according to whether the playback device is attached or detached.
  • the electronic device 100 may have various types of devices.
  • the electronic device 100 may be implemented as a display device capable of displaying an image as shown in FIG. 1 , and in addition to this, a tablet PC, a notebook PC, a head mounted display (HMD), a near eye display (NED), and an LFD (large format display), digital signage, DID (digital information display), video wall, projector display, QD (quantum dot) display panel, QLED (quantum dot light-emitting diodes) ⁇ LED (micro) light-emitting diodes), Mini LED, etc., can be implemented in various types of displays, cameras, camcorders, printers, servers, etc.
  • the electronic device 100 is implemented as a touch screen combined with a touch sensor, a flexible display, a rollable display, a three-dimensional display, a display in which a plurality of display modules are physically connected, etc. it might be
  • the electronic device 100 may output an image to an external device having a separate display through a video/audio output port in a state in which there is no display unit such as a set-top box (STB) or a simple display unit for notifications.
  • STB set-top box
  • the electronic device 100 may output an image to an external device having a separate display through a video/audio output port in a state in which there is no display unit such as a set-top box (STB) or a simple display unit for notifications.
  • STB set-top box
  • the electronic device 100 may output an image to an external device having a separate display through a video/audio output port in a state in which there is no display unit such as a set-top box (STB) or a simple display unit for notifications.
  • STB set-top box
  • a simple display unit for notifications for notifications.
  • it may be the system itself in which the cloud computing environment is built, and it is applicable without limitation as long as it is a device that processes data using a rule base and artificial intelligence model
  • first”, “second”, or “first” or “second” may simply be used to distinguish the component from other such components, and refer to those components in other aspects (e.g., importance or order) is not limited. It is said that one (eg, first) component is “coupled” or “connected” to another (eg, second) component, with or without the terms “functionally” or “communicatively”. When referenced, it means that one component can be connected to the other component directly (eg by wire), wirelessly, or through a third component.
  • module used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as, for example, logic, logic block, component, or circuit.
  • a module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions.
  • the module may be implemented in the form of an application-specific integrated circuit (ASIC).
  • ASIC application-specific integrated circuit
  • one or more instructions stored in a storage medium may be implemented as software (eg, the program 30) including
  • the processor eg, the processor 10
  • the device eg, the electronic device 100
  • the one or more instructions may include code generated by a compiler or code executable by an interpreter.
  • the device-readable storage medium may be provided in the form of a non-transitory storage medium.
  • 'non-transitory' only means that the storage medium is a tangible device and does not contain a signal (eg, electromagnetic wave), and this term is used in cases where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.
  • a signal eg, electromagnetic wave
  • the method according to various embodiments disclosed in this document may be provided in a computer program product (computer program product).
  • Computer program products may be traded between sellers and buyers as commodities.
  • the computer program product is distributed in the form of a machine-readable storage medium (eg compact disc read only memory (CD-ROM)), or through an application store (eg Play StoreTM) or on two user devices ( It can be distributed (eg, downloaded or uploaded) directly between smartphones (eg: smartphones) and online.
  • a portion of the computer program product may be temporarily stored or temporarily created in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a relay server.
  • each component eg, a module or a program of the above-described components may include a singular or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. have.
  • one or more components or operations among the above-described corresponding components may be omitted, or one or more other components or operations may be added.
  • a plurality of components eg, a module or a program
  • the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. .
  • operations performed by a module, program, or other component are executed sequentially, in parallel, repeatedly, or heuristically, or one or more of the operations are executed in a different order, or omitted. or one or more other operations may be added.
  • FIG. 1 illustrates an example in which a seamless playback service is provided by an electronic device.
  • the electronic device 100 includes a display as well as an image display device such as a TV, a smartphone, a tablet, a portable media player, a wearable device, a laptop computer, a video wall, an electronic picture frame, and the like. It is implemented with various types of devices, such as image processing devices such as STBs that do not have an STB, household appliances such as refrigerators and washing machines, and information processing devices such as computer bodies.
  • the electronic device 100 can also be implemented as an artificial intelligence (AI) speaker, an AI robot, etc. equipped with an artificial intelligence function.
  • AI artificial intelligence
  • the type of the electronic device 100 is not limited thereto.
  • the electronic device 100 is implemented as a TV.
  • the electronic device 100 performs a content reproduction function.
  • the electronic device 100 includes a display module 50 , a sound output module 61 , and the like, and reproduces a video of the content through the display module 50 , and reproduces the audio of the content through the sound output module 61 . do.
  • the function provided by the electronic device 100 is not limited to content reproduction, the electronic device 100 may perform various functions, such as a video call, a phone call, a game, and a document creation.
  • the electronic device 100 may be implemented as an Internet of Things (IoT) device.
  • the IoT device includes a device that is connected to other IoT devices through network communication, such as the Internet, and can transmit/receive or share various data.
  • Other IoT devices include a plurality of playback devices 130 capable of playing content.
  • the electronic device 100 transmits and receives various types of data such as content data and control data with the plurality of playback devices 130 .
  • the content data includes at least one of video data and audio data of the content.
  • the control data includes remote control data for controlling a predetermined function that can be provided by the plurality of playback devices 130 .
  • the electronic device 100 may transmit/receive additional data related to the content, such as information related to the playback time of the content, with the plurality of playback devices 130 . Transmission and reception of content data and the like may also be performed between the plurality of playback devices 130 through IoT communication.
  • the plurality of playback devices 130 include at least one external device 120 .
  • the at least one external device 120 includes not only an image display device such as a TV, a smartphone, a tablet, a portable media player, a wearable device, a laptop computer, a video wall, an electronic picture frame, but also an image processing device such as an STB, a refrigerator, a washing machine, etc. It is implemented with home appliances of home appliances, information processing devices such as computer bodies, and artificial intelligence devices such as AI speakers. However, for convenience of description, it is assumed that at least one external device 120 is implemented as an AI speaker 121 , a smart phone 122 , a laptop computer 123 , and the like, respectively.
  • the electronic device 100 may provide a seamless playback service through the plurality of playback devices 130 .
  • the seamless playback service refers to a service that guarantees continuity of content playback between IoT devices.
  • the electronic device 100 may display the content reproduced on the first playback device 110 among the plurality of playback devices 130, based on the location P of the user 1, the other playback devices 121, 122, 123) to play seamlessly.
  • the electronic device 100 provides a seamless playback service by controlling the plurality of playback devices 130 based on the location P of the user 1
  • the electronic device 100 is implemented as a plurality of playback devices 130 and other devices (eg, the server 200)
  • the present invention is not limited thereto. may be implemented as one of the plurality of playback devices 130 , which will be described with reference to FIG. 4 .
  • the first playback device 110 , the second playback device 121 , and the second playback device 123 are connected to the entrance of the living room R1 and the kitchen R2 and Each may be provided in the kitchen (R2).
  • the user 1 watches the video and audio of the content reproduced on the first playback device 110 of the living room R1 at the first location P1, and then moves to the third location P3 of the kitchen R2.
  • P2 the second location that is the entrance of the kitchen (R2).
  • the electronic device 100 When the user 1 moves to the second position P2, the electronic device 100 identifies that the user 1 is in the second position P2 according to the position movement 4 of the user 1,
  • the second playback device 121 provided near the second location P2 controls to reproduce the audio of the content reproduced by the first playback device 110 .
  • the electronic device 100 first identifies whether the second playback device 121 can provide a video or audio playback function, and identifies that the second playback device 121 can only provide an audio playback function.
  • the second playback device 121 may control to reproduce the audio of the content reproduced by the first playback device 110 .
  • the electronic device 100 displays the third location P3 of the user 1 based on the third location P3.
  • the second playback device 123 provided near the location P3 controls to reproduce the video and audio of the content reproduced by the first playback device 110 .
  • the electronic device 100 identifies whether the second playback device 123 can provide both a video and audio playback function, and if it is identified that the second playback device 123 can provide both a video and audio playback function, , the second playback device 1231 may be controlled to reproduce video and audio of the content reproduced by the first playback device 110 .
  • the electronic device 100 sequentially controls the second playback devices 121 and 123 based on the location P of the user 1, so that the first playback device 110 is It ensures that the content reproduced in ' is played without interruption. If other playback devices other than the second playback devices 121 and 123 are provided on the movement path of the user 1 , the electronic device 100 determines that the other playback device is selected based on the location P of the user 1 . The content reproduced by the first playback device 110 may be controlled to be reproduced.
  • the electronic device 100 when the user 1 possesses the second playback device 122 implemented as a smart phone or the like, the electronic device 100 performs the second playback based on the location P of the user 1 .
  • the device 122 controls to reproduce the video and audio of the content reproduced by the first playback device 110 .
  • the user 1 carries the second playback device 122 in the kitchen ( When moving to the second position P2 of the beginning of R2), the electronic device 100 identifies whether the second playback device 122 moves in response to the second position P2 of the user 1 .
  • the electronic device 100 determines that the second playback device 122 moves to the first playback device 110 . Controls to play video and audio of content played in . In this case, the electronic device 100 first checks whether the second playback device 122 can provide both the video and audio playback functions, and determines whether the second playback device 122 provides both the video and audio playback functions. If it is identified that it is possible, the second playback device 122 controls to reproduce the video and audio of the content reproduced by the first playback device 110 .
  • the second playback devices 121 and 123 in the previous embodiment are positional devices that do not move according to the position P of the user 1, if the user 1 When moving between the playback devices 121 and 123, a blind spot may be formed in which the user 1 cannot view the content reproduced on the first playback device 110, but in the present embodiment, the second playback device Since 122 is a location-flexible device that moves according to the location P of the user 1, it is possible to provide a seamless playback service without blind spots, thereby ensuring continuity of content playback, further improving the quality of the seamless playback service can do it
  • the electronic device 100 displays the second playback devices 121 , 122 , 123) controls to reproduce the video or audio of the content reproduced by the first playback device 110 together.
  • the electronic device 100 determines that the second playback device 122 moves the first playback device ( 110) controls to reproduce video and audio of the content reproduced, and controls the second reproducing apparatus 121 to reproduce audio of the content reproduced by the first reproducing apparatus 110 .
  • the electronic device 100 is configured based on the third location P3 of the user 1 Additionally, the second playback device 123 controls to reproduce the video and audio of the content reproduced by the first playback device 110 .
  • the electronic device 100 can supplement the seamless playback service by the location-fixed playback device by using the location-flexible playback device, the quality of the seamless playback service can be further improved.
  • FIG. 2 is a block diagram of an electronic device and an external device.
  • the electronic device 100 in the network environment 300 will be described in detail with reference to FIG. 2 .
  • the electronic device 100 communicates with the electronic device 102 through the first network 98 (eg, short-range wireless communication network), or the second network 99 (eg, long-distance wireless communication). network) and communicate with at least one of the electronic device 103 and the server 200 .
  • the electronic device 100 may communicate with the electronic device 103 through the server 200 .
  • the electronic device 100 includes a processor 10 , a memory 20 , an input module 40 , a display module 50 , an audio module 60 , a sound output module 61 , and an interface 70 . ), connection terminal 71, camera module 73, sensor module 80, haptic module 81, power management module 85, battery 86, communication module 90, subscriber identification module 93 , or an antenna module 94 .
  • at least one of these components eg, the connection terminal 71
  • some of these components are integrated into one component (eg, display module 50 ). can be
  • the processor 10 for example, executes software (eg, the program 30) to execute at least one other component (eg, a hardware or software component) of the electronic device 100 connected to the processor 10 . It can control and perform various data processing or operations. According to an embodiment, as at least part of data processing or operation, the processor 10 converts commands or data received from other components (eg, the sensor module 80 or the communication module 90 ) to the volatile memory 21 . may be stored in the volatile memory 21 , and may process commands or data stored in the volatile memory 21 , and store the result data in the non-volatile memory 22 .
  • software eg, the program 30
  • the processor 10 converts commands or data received from other components (eg, the sensor module 80 or the communication module 90 ) to the volatile memory 21 .
  • the volatile memory 21 may be stored in the volatile memory 21 , and may process commands or data stored in the volatile memory 21 , and store the result data in the non-volatile memory 22 .
  • the processor 10 includes a main processor 11 (eg, a central processing unit or an application processor) or a secondary processor 12 (eg, a graphics processing unit, a neural network processing unit) a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor).
  • a main processor 11 eg, a central processing unit or an application processor
  • a secondary processor 12 eg, a graphics processing unit, a neural network processing unit
  • NPU neural processing unit
  • an image signal processor e.g., a sensor hub processor, or a communication processor.
  • the coprocessor 12 may be, for example, on behalf of the main processor 11 while the main processor 11 is in an inactive (eg, sleep) state, or the main processor 11 is active (eg, executing an application). ), together with the main processor 11, at least one of the components of the electronic device 100 (eg, the display module 50, the sensor module 80, or the communication module 90) It is possible to control at least some of the related functions or states.
  • the coprocessor 12 eg, image signal processor or communication processor
  • the coprocessor 12 may be implemented as part of another functionally related component (eg, camera module 73 or communication module 90 ).
  • the auxiliary processor 12 eg, a neural network processing unit
  • Artificial intelligence models can be created through machine learning. Such learning may be performed, for example, in the electronic device 100 itself on which the artificial intelligence model is performed, or may be performed through a separate server (eg, the server 200).
  • the learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but in the above example not limited
  • the artificial intelligence model may include a plurality of artificial neural network layers.
  • Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the above example.
  • the artificial intelligence model may include, in addition to, or alternatively, a software structure in addition to the hardware structure.
  • the memory 20 may store various data used by at least one component (eg, the processor 10 or the sensor module 80 ) of the electronic device 100 .
  • the data may include, for example, input data or output data for software (eg, the program 30 ) and instructions related thereto.
  • the memory 20 may include a volatile memory 21 or a non-volatile memory 22 .
  • the program 30 may be stored as software in the memory 20 , and may include, for example, an operating system 31 , middleware 32 , or an application 33 .
  • the input module 40 may receive a command or data to be used in a component (eg, the processor 10 ) of the electronic device 100 from the outside (eg, a user) of the electronic device 100 .
  • the input module 40 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).
  • the display module 50 may visually provide information to the outside (eg, a user) of the electronic device 100 .
  • the display module 50 may include, for example, a display 51 , a hologram device, or a projector and a control circuit for controlling the corresponding device.
  • the display module 50 may include a touch sensor configured to sense a touch or a pressure sensor configured to measure the intensity of a force generated by the touch.
  • the audio module 60 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 60 acquires a sound through the input module 40 , or an external electronic device (eg, a sound output module 61 ) connected directly or wirelessly with the electronic device 100 .
  • the electronic device 102) eg, a speaker or headphones
  • the electronic device 102 may output a sound.
  • the sound output module 61 may output a sound signal to the outside of the electronic device 100 .
  • the sound output module 61 may include, for example, a speaker or a receiver.
  • the speaker can be used for general purposes such as multimedia playback or recording playback.
  • the receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from or as part of the speaker.
  • the interface 70 may support one or more designated protocols that may be used for the electronic device 100 to directly or wirelessly connect with an external electronic device (eg, the electronic device 102 ).
  • the interface 70 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.
  • HDMI high definition multimedia interface
  • USB universal serial bus
  • SD card interface Secure Digital Card
  • the connection terminal 71 may include a connector through which the electronic device 100 can be physically connected to an external electronic device (eg, the electronic device 102 ).
  • the connection terminal 71 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).
  • the camera module 73 may capture still images and moving images.
  • the camera module 73 may include one or more lenses, image sensors, image signal processors, or flashes.
  • the sensor module 80 detects an operating state (eg, power or temperature) of the electronic device 100 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the sensed state. can do.
  • the sensor module 80 includes, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor ( For example, it may include a photoplethysmography (PPG) sensor, an electrode sensor), a temperature sensor, a humidity sensor, a location sensor (eg, GPS), or an illuminance sensor.
  • PPG photoplethysmography
  • the haptic module 81 may convert an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense.
  • the haptic module 81 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.
  • the power management module 85 may manage power supplied to the electronic device 100 .
  • the power management module 85 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).
  • PMIC power management integrated circuit
  • the battery 86 may supply power to at least one component of the electronic device 100 .
  • battery 86 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.
  • the communication module 90 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 100 and an external electronic device (eg, the electronic device 102, the electronic device 103, or the server 200). It can support establishment and communication performance through the established communication channel.
  • the communication module 90 may include one or more communication processors that operate independently of the processor 10 (eg, an application processor) and support direct (eg, wired) communication or wireless communication.
  • the communication module 90 is a wireless communication module 91 (eg, a cellular communication module, a short-range communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 92 (eg, : It may include a local area network (LAN) communication module, or a power line communication module).
  • a wireless communication module 91 eg, a cellular communication module, a short-range communication module, or a global navigation satellite system (GNSS) communication module
  • GNSS global navigation satellite system
  • wired communication module 92 eg, : It may include a local area network (LAN) communication module, or a power line communication module.
  • a corresponding communication module among these communication modules is a first network 98 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 99 (eg, legacy It may communicate with the external electronic device 103 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or WAN).
  • a first network 98 eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)
  • a second network 99 eg, legacy It may communicate with the external electronic device 103 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or WAN).
  • a telecommunication network such as a LAN
  • the wireless communication module 91 uses subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 93 within a communication network such as the first network 98 or the second network 99 .
  • subscriber information eg, International Mobile Subscriber Identifier (IMSI)
  • IMSI International Mobile Subscriber Identifier
  • the wireless communication module 91 may support a 5G network after a 4G network and a next-generation communication technology, for example, a new radio access technology (NR).
  • NR access technology includes high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency) -latency communications)).
  • eMBB enhanced mobile broadband
  • mMTC massive machine type communications
  • URLLC ultra-reliable and low-latency
  • the wireless communication module 91 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example.
  • a high frequency band eg, mmWave band
  • the wireless communication module 91 uses various techniques for securing performance in a high-frequency band, for example, beamforming, massive multiple-input and multiple-output (MIMO), all-dimensional multiplexing. It may support technologies such as full dimensional MIMO (FD-MIMO), an array antenna, analog beam-forming, or a large scale antenna.
  • the wireless communication module 91 may support various requirements specified in the electronic device 100 , an external electronic device (eg, the electronic device 103 ), or a network system (eg, the second network 99 ).
  • the wireless communication module 91 may include a peak data rate (eg, 20 Gbps or more) for realizing eMBB, loss coverage (eg, 164 dB or less) for realizing mMTC, or U-plane latency for realizing URLLC ( Example: downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less) may be supported.
  • a peak data rate eg, 20 Gbps or more
  • loss coverage eg, 164 dB or less
  • U-plane latency for realizing URLLC
  • the antenna module 94 may transmit or receive a signal or power to the outside (eg, an external electronic device).
  • the antenna module 94 may include an antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern.
  • the antenna module 94 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication scheme used in a communication network such as the first network 98 or the second network 99 is connected from the plurality of antennas by, for example, the communication module 90 . can be selected. A signal or power may be transmitted or received between the communication module 90 and an external electronic device through the selected at least one antenna.
  • other components eg, a radio frequency integrated circuit (RFIC)
  • RFIC radio frequency integrated circuit
  • the antenna module 94 may form a mmWave antenna module.
  • the mmWave antenna module comprises a printed circuit board, an RFIC disposed on or adjacent to a first side (eg, bottom side) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, an array antenna) disposed on or adjacent to a second side (eg, top or side) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.
  • peripheral devices eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)
  • GPIO general purpose input and output
  • SPI serial peripheral interface
  • MIPI mobile industry processor interface
  • a command or data may be transmitted or received between the electronic device 100 and the external electronic device 103 through the server 200 connected to the second network 99 .
  • Each of the external electronic devices 102 or 103 may be the same as or different from the electronic device 100 .
  • all or a part of operations executed in the electronic device 100 may be executed in one or more external electronic devices 102 , 103 , or 200 .
  • the electronic device 100 when the electronic device 100 needs to perform a function or service automatically or in response to a request from a user or other device, the electronic device 100 performs the function or service by itself instead of executing the function or service itself.
  • one or more external electronic devices may be requested to perform at least a part of the function or the service.
  • One or more external electronic devices that have received the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and transmit a result of the execution to the electronic device 100 .
  • the electronic device 100 may process the result as it is or additionally and provide it as at least a part of a response to the request.
  • cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology may be used.
  • the electronic device 100 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing.
  • the external electronic device 103 may include an Internet of things (IoT) device.
  • the server 200 may be an intelligent server using machine learning and/or neural networks.
  • the external electronic device 103 or the server 200 may be included in the second network 99 .
  • the electronic device 100 may be applied to an intelligent service (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.
  • an intelligent service eg, smart home, smart city, smart car, or health care
  • the configuration of the electronic device 100 is not limited to that shown in FIG. 2 , some of the above-described components may be excluded or other components may be included depending on a design method.
  • each configuration of the server 200 excludes some of the configurations of the electronic device 100 described above or includes configurations other than the aforementioned configurations.
  • the electronic devices 102 and 103 provided to communicate with the electronic device 100 include at least one external device 120 of FIG. 1 .
  • Each configuration of the at least one external device 120 excludes some of the configurations of the electronic device 100 described above or includes configurations other than the aforementioned configurations.
  • FIG. 3 is a flowchart illustrating a method of controlling an electronic device according to various embodiments of the present disclosure
  • the processor 10 determines the position P of the moving user 1 while the first playback device 110 among the plurality of playback devices 130 including at least one external device 120 plays content. It is identified that the position of the second playback device 122 moves out of the range of the first playback device 110 and moves corresponding to the position P of the user 1 ( S31 ).
  • the processor 10 determines whether the position P of the user 1 is out of the range of the first playback device 110 or the second playback device 122 based on the sensor value acquired through the sensor module 80 . Identifies whether the position of the user 1 is moving corresponding to the position P of the user 1 . However, since the present invention is not limited thereto, the processor 10 may identify the location P of the user 1 based on the sensor value received through the smart network system.
  • the smart network system may be implemented as a home network system, an office network system, and the like, and includes smart devices provided inside and outside the place where the user 1 lives. Smart devices include smart home appliances, security devices, and the like.
  • Smart home appliances include TVs, air conditioners, robot cleaners, humidifiers, and the like
  • security devices include door locks, security cameras, CCTV (Closed Circuit Television), and the like.
  • Smart devices can be used as IoT devices, and information acquired by each can be shared with each other by using various communication protocols such as 802.11 of the Institute of Electrical and Electronics Engineers (IEEE).
  • IEEE Institute of Electrical and Electronics Engineers
  • the processor 10 receives the sensor value from the smart home appliance, the security device, etc., when various sensors and security devices of the smart home appliance obtain a sensor value related to the location P of the user 1, and the like, Based on the received sensor value, the position P of the user 1 may be identified.
  • the processor 10 identifies a playback function of the content that the second playback device 122 can provide ( S32 ).
  • the content reproduction function that can be provided by the second reproduction device 122 includes a video reproduction function, an audio reproduction function, and the like. However, since the present invention is not limited thereto, the content reproduction function includes an image display function and the like. If the second playback device 122 does not identify a playback function of the content that can be provided, even though the second playback device 122 cannot provide the video playback function, the content is played back by the first playback device 110 An unnecessary operation, such as when the video data of the content is provided to the second playback device 122, is accompanied, and may lead to inefficiency in providing a seamless playback service. Accordingly, the processor 10 can prevent unnecessary operations in advance by identifying the reproduction function of the content that can be provided by the second reproduction device 122 in advance, thereby improving efficiency in providing the seamless reproduction service.
  • the processor 10 performs a control operation so that the second playback device 122 subsequently plays the video of the content reproduced on the first playback device 110 based on the identified playback function (S33), and the user 1 ) in response to a change in the distance D1 between the first playback device 110 and the user 1 according to the movement (4) of the audio volume level of the content reproduced in the first playback device 110, A control operation is performed so that the audio volume level of the content reproduced by the second playback device 122 is adjusted (S34).
  • a seamless playback service When a seamless playback service is provided only with a location-fixed playback device, a blind spot regarding content playback may occur, but if the second playback device 122, which is a location-flexible playback device, is used, a seamless playback service without a blind spot can be provided. Therefore, the quality of the seamless playback service can be improved by ensuring the continuity of content playback.
  • the processor 10 controls the second playback device 122 to gradually adjust the audio volume level according to the change in the distance D1, thereby further improving the quality of the seamless playback service.
  • FIG. 4 is a detailed embodiment related to operations S31 to S34 of FIG. 3 and shows an embodiment of adjusting an audio volume level for a second playback device.
  • the position-fixed second playback device 121 reproduces the audio of the content reproduced by the first playback device 110, and the first playback A process of adjusting the audio volume level according to changes in the distance D1 between the device 110 and the user 1 and the distance D2 between the second playback device 121 and the user 1 will be described in detail. .
  • the electronic device 100 is implemented as the first playback device 110, which is one of the plurality of playback devices 130, and performs the role of a master device that generally performs seamless playback service control.
  • the electronic device 100 may be implemented as the second playback devices 121 , 122 , and 123 among the plurality of playback devices 130 , and as described with reference to FIG. 1 , the plurality of playback devices 100 . It may be implemented by an external device other than the playback device 130 , for example, the server 200 . In this case, the second playback devices 121 , 122 , 123 , the server 200 , etc. may perform the role of a master device that generally controls the seamless playback service.
  • the processor 10 identifies a positional movement 4 of the user 1 from the first position P1 to the second position P2 .
  • the processor 10 detects that the user 1 moves out of the range 2 of the first playback device 110 and enters the range 5 of the second playback device 121 by the user's positional movement 4 . can be identified.
  • the range of the playback device includes a virtual range in which the user 1 can easily recognize the content reproduced by the playback device visually or audibly.
  • the shape of the range may vary depending on the content output characteristics of the playback device, the characteristics of the user 1, the spatial characteristics, and the like.
  • the content output characteristic is based on the content reproduction performance of the reproduction apparatus, the content reproduction state, and the like. More specifically, the content output characteristics include the size of the display module 50 of the first playback device 110, the resolution of the video displayed through the display module 50, the gain of the audio output through the sound output module 61, This includes frequency bands, audio volume levels, etc.
  • the size of the range of the first playback device 110 may be larger when the display module 50 has a large screen than when the small screen, and when the rated output of the sound output module 61 is low It may be larger if the rated output is higher.
  • the characteristics of the user 1 include physical characteristics such as height and physique of the user 1, cognitive characteristics such as eyesight and hearing, and state characteristics such as viewing direction.
  • the spatial characteristics include the shape of the surrounding space of the user 1, whether there is an obstacle, and the like.
  • the range 5 of the second playback device 121 may have a different shape from the range 2 of the first playback device 100 due to differences in content output characteristics.
  • the shapes of the range 2 of the first playback device 100 and the range 5 of the second playback device 121 are as shown in FIG. 4 .
  • the shape of the range 2 of the first playback device 100 may be set to include various shapes such as a circle and a polygon according to content output characteristics.
  • the processor 10 identifies the type of content function that can be provided by the second playback device 121 .
  • the processor 10 identifies whether the second playback device 121 has a function for reproducing video or audio of the content reproduced by the first playback device 110 .
  • the processor 10 identifies that the second playback device 121 can only provide an audio playback function, 1
  • the audio data of the content reproduced by the playback device 110 is transmitted to the second playback device 121 .
  • the processor 10 may transmit both the video data and the audio data of the content reproduced by the first playback device 110 to the second playback device 121 , and in this case, the second playback device The 121 may selectively reproduce only the audio of the content according to an audio reproduction function that it can provide. Meanwhile, other playback devices other than the first playback device 110 may transmit the audio data of the content to the second playback device 121 , or the second playback device 121 may initially store the audio data of the content. In this case, the processor 10 transmits the playback time information on the audio of the content to the second playback device 121 so that the second playback device 121 reproduces the audio of the content with reference to the playback timing information, etc. .
  • the processor 10 can identify in advance the type of content reproduction function that the second reproduction device 121 can provide, even though the second reproduction device 121 cannot provide the video reproduction function , it is possible to reduce resource consumption by preventing unnecessary operations such as transmitting video data of content reproduced by the first playback device 110 to the second playback device 121 in advance.
  • the distance D1 between the first playback device 110 and the user 1 according to the movement 4 from the first location P1 to the second location P2, and the second playback device
  • the processor 10 adjusts the audio volume level of the content reproduced on the first playback device 100 and the second playback device 121 to reproduce it. Controls so that the audio volume level of the content being used is adjusted.
  • the processor 10 may decrease the audio volume level of the first playback device 110 based on the increasing distance D1 and increase the audio volume level of the second playback device 121 based on the decreasing distance D2. .
  • the final audio volume level ratio, the degree of the adjustment ratio, etc. may be provided in various ways according to a design method.
  • the processor 10 can gradually adjust the audio volume level according to the change in distance according to the movement of the user 1's position (4), so that continuity of content reproduction is ensured Accordingly, the quality of the seamless playback service can be further improved.
  • the processor 10 transmits information on the change in distance according to the location movement (4) of the user 1 to the second playback device 121, and the second playback device 121 refers to the information on the change in distance, 2 Control to adjust the audio volume level of the playback device 121 .
  • the processor 10 when the user 1 moves to the third location P3 after passing the second location P2, the processor 10 moves from the second location P2 to the third location P3. (6) is identified. In this case, the processor 10 may identify whether the user 1 enters the range 7 of the second playback device 123 provided in the vicinity of the third location P3. Since the range 7 of the second playback device 123 also has a shape based on content output characteristics, it may be different from the shape of the range 2 of the first playback device 110 .
  • the processor 10 determines the distance D1 between the first playback device 110 and the user 1, the distance D3 between the second playback device 121 and the user 1, or the second playback device 123 and the user (1) based on at least one change in the distance D4 between the audio volume level of the content reproduced in the first playback device 100, the audio volume level of the content reproduced in the second playback device 121, and the second The playback device 123 controls so that the audio volume level of the content reproduced is adjusted.
  • the processor 10 adjusts the audio volume level ratio between the first playback device 110 , the second playback device 121 , and the second playback device 123 according to the position movement 6 of the user 1 to [30:60]. :10(%)], [30:30:40(%)], etc.
  • the processor 10 may variously adjust the audio volume level between the first playback device 110 , the second playback device 121 , and the second playback device 123 based on the change in distance.
  • the second playback device 121 cannot provide a video playback function, but the second playback device 123 can provide a video playback function.
  • the second playback device 123 controls the video of the content reproduced by the first playback device 110 to be reproduced.
  • the electronic device 100 can be implemented as the second playback device 121 .
  • the second playback device 121 is a master device and responds to the movement 4 of the user 1 , ) is out of the range (2) of the first playback device 110, and the like.
  • the second playback device 122 considers a content playback function that can be provided by the second playback device 121, and provides audio of the content. It requests the first playback device 110 to transmit data, and in some cases, the server 200 may request it.
  • the second playback device 121 reproduces the audio of the content reproduced in the first playback device 110 based on the audio data of the content received from the first playback device 110 or the server 200 .
  • the second playback device 121 changes the distance D1 between the first playback device 110 and the user 1 and the distance D2 between the second playback device 121 and the user 1 according to changes in the first playback device 121. Control is performed so that the audio volume level of the content reproduced by the playback device 110 and the audio volume level of the content reproduced by the second playback device 121 are adjusted.
  • the electronic device 100 may be implemented by the server 200 , and the specific operation is when the electronic device 100 is implemented as the first playback device 110 or the second playback device 121 . Since it overlaps with , it will be omitted. As described above, since the electronic device 100 can be implemented in various devices, the usability of the seamless playback service can be improved.
  • the master device may be flexibly determined according to resource conditions, network conditions, and the like.
  • the resource status refers to a situation indicating resource capacity, processing capability, and the like of the playback device.
  • the network status refers to a situation indicating data communication speed, traffic, and the like through a network.
  • the master device may be determined in consideration of various situational factors. When a plurality of master devices are implemented, the newly determined master device may perform some or all of various operations for providing a seamless playback service, or may perform the rest of the operations performed by the previous master device.
  • FIG. 5 is a specific embodiment related to operations S31 to S34 of FIG. 3 and shows an embodiment of video playback and audio volume level adjustment using a location-flexible playback device.
  • the second playback device 122 when the user 1 possesses the second playback device 122, the second playback device 122 is moved according to the movement (4) from the first position (P1) to the second position (P2).
  • the process of providing a seamless playback service through As shown in FIG. 5 , when the user 1 moves from the first position P1 to the second position P2 , the processor 10 identifies whether the second playback device 122 is a position-flexible playback device. do. When the second playback device 122 is identified as a location-flexible device, the processor 10 checks a content playback function that the second playback device 122 can provide, and the second playback device 122 plays back video and audio.
  • video data and audio data of the content reproduced by the first playback device 110 are transmitted to the second playback device 122 .
  • the processor 10 controls the second playback device 122 to reproduce the video 51 of the content based on the video data of the content.
  • the video 51 of the content corresponds to the video of the content reproduced by the first playback device 110 .
  • the processor 10 transmits the video data of the content to the second playback device 122 in response to when the user 1 moves out of the range 2 of the first playback device 110 , and the second playback device 122 . ) controls to output the video 51 of the content.
  • the processor 10 may transmit the video data of the content to the second playback device 122 at various times.
  • the processor 10 controls the second playback device 122 to reproduce the audio of the content based on the audio data of the content.
  • the processor 10 controls the audio volume level reproduced by the first playback device 110 and the second playback device 122 to be adjusted based on a change in distance according to the location movement 4 of the user 1 .
  • the processor 10 responds to a change in the distance D1 between the first playback device 110 and the user 1 considering that the second playback device 122 is held by the user 1,
  • the audio volume level of the content reproduced by the first playback device 110 and the second playback device 122 may be adjusted.
  • the processor 10 may consider a change in the distance between the first playback device 110 and the second playback device 122 . For example, if it is assumed that the audio volume level ratio between the first playback device 110 and the second playback device 122 is [100:0 (%)] before the user 1 moves (4), the user 1 ), when the distance D1 between the first playback device 110 and the user 1 or the distance between the first playback device 110 and the second playback device 122 gradually increases according to the movement (4) of the position, The processor 10 may control the audio volume level ratio between the first playback device 110 and the second playback device 122 to be adjusted to [60: 40 (%)], [50: 50 (%)], etc. have. The degree of the adjustment ratio may be variously provided according to a design method.
  • the processor 10 may identify whether the user 1 enters the range 2 of the second playback device 121 while carrying the second playback device 122 .
  • the processor 10 may perform the steps of the first playback device 110 and the second playback device 122 ) and the audio volume level ratio between the second playback device 121 may be adjusted to [30:30:40(%)] or the like.
  • the processor 10 changes the distance D1 between the first playback device 110 and the user 1 and the distance D2 between the second playback device 121 and the user 1 . Based on , the audio volume level between the first playback device 110 , the second playback device 122 , and the second playback device 121 may be variously adjusted. Meanwhile, the second playback device 122 may continue to play the video, but the second playback device 121 does not provide a video playback function and thus does not output the video.
  • the processor 10 when the user 1 moves from the second position P2 to the third position P3 while carrying the second playback device 122 , the processor 10 moves to the second position P2 . ) to the third position P3 , it can be identified that the user 1 enters the range 7 of the second playback device 123 .
  • the audio volume level ratio between the first playback device 110, the second playback device 122, the second playback device 121 and the second playback device 123 before the position movement (6) is [30:30:40: 0 (%)]
  • the processor 10 performs the first playback device 110 , the second playback device 122 , the second playback device 121 , and the second playback device according to the movement 6 of the user 1 .
  • the audio volume level ratio between the playback devices 123 may be adjusted to [30:30:20:20(%)] or the like.
  • the processor 10 changes the distance D3 between the second playback device 121 and the user 1 and the distance D4 between the second playback device 123 and the user 1 . Based on this, the audio volume level in each playback device can be variously adjusted.
  • the processor 10 controls the second playback device 123 to reproduce a video of the content reproduced by the first playback device 110 .
  • the electronic device 100 may be implemented as the second playback device 122.
  • the second playback device 122 is a master device, and the user 1 moves (4, 6). ), it is identified whether the user 1 is out of the range 2 of the first playback device 110 , whether the second playback device 122 is a position-flexible playback device, and the like.
  • the second playback device 122 requests to transmit the video data and audio data of the content to the first playback device 110 in consideration of the playback function of the content that it can provide, and in some cases, the server ( 200) to transmit video data and audio data of the content.
  • the second playback device 122 reproduces video and audio of the content reproduced in the first playback device 110 based on the video data and audio data of the content received from the first playback device 110 or the server 200 . do.
  • the second playback device 122 responds to a change in the distance D1 between the first playback device 110 and the user 1, and sets the audio volume level of the content reproduced in the first playback device 110 and the second playback device 122 . Controls so that the audio volume level of the content reproduced by the playback device 122 is adjusted.
  • the overall operation for the seamless playback service overlaps with the operation performed by the first playback device 110 as a master device, it will be omitted.
  • the processor 10 can utilize the positional flexible second playback device 122 that moves according to the position P of the user 1, the first playback device 110 even while the user 1 is moving. ), you can watch the content being played. Accordingly, since the continuity of content reproduction can be ensured, the quality of the seamless reproduction service can be improved.
  • FIG. 6 shows an embodiment of video playback based on a display type corresponding to a usage state of the second playback apparatus, as an embodiment related to operation S33 of FIG. 3 .
  • the processor 10 controls the second playback device 122 to output the video 51 of the content in response to the movement 4 of the user 1 .
  • the video 51 of the content corresponds to the video of the content reproduced by the first playback device 110 .
  • the second playback device 122 plays the video 51 of the content even when the user 1's movement 4 is detected. If it is, there is a fear that the ease of use may be deteriorated due to the reproduction of the video 51 of unintended content.
  • the processor 10 determines the usage state of the second playback device 122 when the user 1 moves out of the range 2 of the first playback device 110 by moving the location 4 .
  • identify The use state includes an application execution state, a screen use state, a power on/off state, a sleep/inactive state, and a normal/active state of the second playback device 122 .
  • Information data on the usage state of the second playback device 122 is received from the second playback device 122 and stored in the memory 20, or an external device other than the second playback device 122 through IoT communication. may have been received from
  • the processor 10 may identify the indication type corresponding to the identified usage state.
  • the display type includes various display types such as a picture in picture (PIP), a picture by picture (PBP), and a full screen.
  • PIP is also called a floating display type in that one video is displayed as if it were floating in the background of another video.
  • the PBP is a type in which a plurality of videos are displayed vertically or horizontally in parallel, and only one video is displayed on the full screen.
  • the content 171 is displayed on the screen of the second playback device 122 .
  • the content 171 includes not only still images such as web pages, but also moving images such as movies. If the display type corresponding to the state in which the content 171 is displayed is set to PIP, the processor 10 may display a video ( 51) can be controlled to be displayed as PIP.
  • the processor 10 determines that the second playback device 122 is connected to the first playback device 110 . Controls to display the video 51 corresponding to the video of the content reproduced in the full screen. In this case, the processor 10 may control the second playback device 122 to switch to the power-on state, the normal state, etc. from the power-off state or the sleep state, and control the video 51 to be displayed in full screen.
  • the processor 10 can control the second playback device 122 to reproduce the video 51 in a display type corresponding to the usage state of the second playback device 122, in providing a seamless playback service Ease of use can be improved.
  • FIG. 7 is an embodiment related to operation S33 of FIG. 3 and shows an embodiment of video reproduction for a corresponding portion when out of range.
  • the user 1 In response to the user 1's movement (4, 6), the user 1 leaves the range (2) of the first playback device 110, and after a predetermined time elapses, the range of the second playback device 123 ( 7) When entering the inside, when the user 1 is outside the range 2 of the first playback device 110 , a problem may occur that the user 1 cannot view the corresponding video portion.
  • the processor 10 allows the user 1 to leave the range 2 of the first playback device 110 and then, after a predetermined time elapses, the user 1 returns to the second playback device (
  • the processor 10 may record a video portion corresponding to the user 1 outside the range 2 of the first playback device 110 , and store the recorded video data in the memory 20 .
  • the recorded video data may be stored in a memory of the server 200 or the second playback device 121 instead of the first playback device 110 .
  • the processor 10 determines that when the user 1 enters the range 7 of the second playback device 123 , the user 1 selects the first playback device 123 based on the recorded video data. Control to play the corresponding video portion when out of the range (2) of the playback device (110).
  • the processor 10 can control the second playback device 123 to play the corresponding video portion when the user 1 is out of the range 2 of the first playback device 110, so that the content It is possible to ensure the continuity of playback and to improve the usability of the seamless playback service because the user does not need to intervene for the continuous playback of the content.
  • FIG. 8 is an embodiment related to operation S33 of FIG. 3 , and shows an embodiment of video playback for a preset part. It shows an embodiment of video playback.
  • the corresponding portion of the video is the portion of the video that the user 1 wants to watch. It may or may not be a part.
  • the processor 10 determines that when the user 1 enters the range 7 of the second playback device 123 , the user 1 enters the range 2 of the first playback device 110 . Only a portion preset by the user 1 among the portions of the video corresponding to the time out of .
  • a goal scene is set as an important scene in a soccer game by the user 1 .
  • the processor 10 determines when the user 1 goes out of the range 2 of the first playback device 110 . Only the goal scene set by the user 1 among the parts of the video related to the game may be controlled to be reproduced by the second playback device 123 .
  • the processor 10 transmits the portion preset by the user 1 to the second playback device 123 . ) can be controlled to play continuously, so that it is possible to further improve the usability in providing a seamless play service.
  • FIG. 9 illustrates an embodiment of video reproduction and audio volume level adjustment corresponding to a preset event as an embodiment related to operation S31 of FIG. 3 .
  • the processor 10 of the electronic device 100 may determine whether to play a video of the content or whether to adjust an audio volume level according to whether a preset event occurs in the second playback device 122 .
  • a preset event includes a case where a phone call, an email, or the like is received.
  • the processor 10 controls the first playback device 110 to stop the playback of the video of the content.
  • the processor 10 may record a portion of the video or video 51 of the interrupted content, and may reproduce the recorded portion when a call is terminated.
  • the processor 10 connects between the first playback device 110 and the second playback device 122 so that the user 1 can make a call in a quiet environment. You can control the audio volume playback ratio to be adjusted to [20:0(%)].
  • the adjustment ratio may be provided in various ways depending on the design method.
  • the processor 10 can perform video playback of content, audio volume level adjustment, etc. in response to a preset event occurring in the second playback device 122, thereby further improving ease of use in providing a seamless playback service. can do it
  • FIG. 10 is an embodiment related to operation S32 of FIG. 3 and shows an embodiment of a video play available notification.
  • the processor 10 identifies a content playback function that can be provided by the second playback device 124 and, if the second playback device 124 cannot provide a video playback function, one of the plurality of playback devices 130 Other playback devices capable of providing video playback capabilities may be identified. In this case, the processor 10 may control the identified other playback device to display the notification 111 regarding the video of the content reproduced by the first playback device 110 .
  • the user 1 is wearing at least one of a wearable wireless earphone or a smart watch as the second playback device 124, and the wireless earphone or smart watch provides a content audio playback function.
  • the video playback function is not provided.
  • the processor 10 controls the second playback device 124 to store recorded data related to a video of a corresponding TV broadcast program and output a notification.
  • the processor 10 controls the second playback device 124 to output an audio notification such as "The video of a TV broadcast program cannot be played, so it is recorded”.
  • the other playback device plays the video of the TV broadcast program based on the recorded data. You can control it to play.
  • Other playback devices include a first playback device 110 , a second playback device 122 , and the like that provide a video playback function.
  • the processor 10 determines that the playback device preset by the user 1 or selected in real time by the user 1 plays the video of the recorded TV broadcast program. Alternatively, the processor 10 determines that a playback device existing within a predetermined distance from the user 1, the closest playback device, or the like plays the video of the TV broadcast program.
  • the processor 10 controls the playback device, which is determined to play the video of the recorded TV broadcast program, to display a notification 111 asking whether or not to play the video of the recorded TV broadcast program.
  • the processor 10 can control the content that cannot be reproduced by the second playback device 124 to be played back by another playback device, ease of use in providing a seamless playback service can be further improved.
  • 11 is an embodiment related to operation S33 of FIG. 3 and shows an embodiment of content reproduction by a user input.
  • the processor 10 may set a content type to be a seamless processing target according to an input of the user 1 . That is, the processor 10 may set the type of content to be reproduced by the second playback device 121, etc. among the video or audio of the content reproduced by the first playback device 110 according to the input of the user 1 .
  • the processor 10 displays a setting user interface (UI) 131 capable of setting the type of content to be seamlessly processed.
  • the setting UI 131 includes a menu for setting the type of content to be reproduced by the second playback device 121 and the like.
  • the processor 10 responds to the movement 4 of the user 1 , video data of the content reproduced on the first playback device 110 and The audio data is transmitted to the second playback device 122, so that the second playback device 122 plays back the video of the content and controls the audio to be played back at the adjusted audio volume level.
  • the processor 10 prevents the video data of the content reproduced from the first playback device 110 from being transmitted to the second playback device 122 in response to the user 1's movement (4) , so that only the audio data of the content is transmitted to the second playback device 122, the second playback device 122 does not reproduce the video of the content, and controls to reproduce only the audio at the adjusted audio volume level.
  • the processor 10 controls the first playback device 110 according to the movement 4 of the user 1 . ) and the user 1, even if there is a change in the distance between the user 1 and the like, the second playback device 122 is controlled not to adjust the audio volume level.
  • a playback device that will provide a seamless playback service may be selected through the setting UI 131 .
  • the processor 10 controls not to transmit audio data of the content reproduced by the first playback device 110 to the second playback device 121 .
  • the processor 10 performs the first playback device according to the location movement 4 of the user 1 .
  • the video data and audio data of the content reproduced by the playback device 110 are transmitted to the second playback device 121 .
  • the processor 10 can arbitrarily set the type of content to be seamlessly processed according to the input of the user 1 , so that it is possible to provide a seamless playback service optimized for the user.
  • FIG. 12 is an embodiment related to operation S33 of FIG. 3 and shows an embodiment of adjusting a video characteristic level and adjusting an audio volume level by a surrounding environment.
  • the processor 10 may reproduce the content in consideration of the surrounding environment in providing the seamless reproduction service. For example, when the user 1 leaves the range 2 of the first playback device 110 while carrying the second playback device 122 , the processor 10 controls the environment of the second playback device 122 . , and controls the second playback device 122 to reproduce the content with characteristics corresponding to the surrounding environment.
  • the surrounding environment includes a video environment, an audio environment, and the like, and may change from moment to moment according to the movement 4 of the user 1 .
  • the processor 10 may identify the surrounding environment by utilizing the sensor values obtained through the sensor module 80 and various smart devices described above.
  • the processor 10 identifies that the video environment of the second playback device 122 is a natural light exposure environment based on the sensor value obtained through the sensor module 80 , and the second playback device 122 . In the subsequent playback of the video of the content of the first playback device 110 , it is adjusted to have a brightness characteristic corresponding to the natural light exposure environment, and controls to reproduce the video of the content with the adjusted brightness characteristic.
  • the processor 10 when the processor 10 identifies that the audio environment of the second playback device 122 is an environment in which the echo is severe, the processor 10 adjusts the second playback device 122 to have a gain characteristic corresponding to the environment in which the echo is severe. , controls to reproduce the audio of the content reproduced in the first playback device 110 based on the adjusted gain characteristics.
  • the adjustment of content characteristics based on the surrounding environment may be equally applied not only to the position-flexible second playback device 122 but also to the position-fixed second playback devices 121 and 122 .
  • the processor 10 may Identifies what the surrounding environment corresponding to the entry of R2 is, adjusts the second playback device 121 to have audio characteristics corresponding to the identified surrounding environment, and based on the adjusted audio characteristics, the first playback device ( 110) controls to play the audio of the content played in,
  • the processor 10 may consider the surrounding environment, and thus the quality of the seamless playback service may be further improved.
  • FIG. 13 is an embodiment related to operation S33 of FIG. 3 and shows an embodiment of content recommendation by the surrounding environment.
  • the processor 10 may recommend content to be played back by the second playback device 125 by using information about the surrounding environment.
  • the surrounding environment when the user 1 rides in the vehicle, the processor 10 recommends the content corresponding to the driving environment of the vehicle, the second playback device 125, the user 1 input It is possible to control to play the recommended content according to the
  • the second playback device 125 includes an automobile entertainment system, a navigation system, a black box, and the like.
  • the driving environment includes driving-related time, speed, weather, temperature, time, driving region, and the like. For example, when the user 1 goes to work in the morning, the processor 10 may identify that the current time is in the morning time zone, and recommend and display content that is good to listen to in the morning in the form of the list 140 . When any one content is selected from the list according to the input of the user 1 , the processor 10 controls the second playback device 125 to reproduce the selected content.
  • the processor 10 controls the second playback device 125 of the car. ) controls to ask the user 1 whether to play the video or audio of the content, or whether to play the previously described recommended content, and controls to play the selected content according to the input of the user 1 .
  • the processor 10 can recommend content corresponding to the surrounding environment, the usability of the seamless playback service can be further improved.
  • FIG. 14 is an embodiment related to operation S31 of FIG. 3 and shows an embodiment of content reproduction depending on whether the playback device is attached or detached.
  • the processor 10 plays video or audio of the content while the second playback device 126 is worn by the user 1, and the second playback device 126 ( When the user 126 is removed from the user 1, another second playback device capable of reproducing the video or audio of the content among the plurality of playback devices 130 is identified, and the identified second playback device plays the video or audio of the content. control to play.
  • the processor 10 moves the position of the user 1 (4). ), it is identified whether the second playback device 126 is a position-flexible playback device.
  • the processor 10 provides audio data of the content reproduced by the first playback device 110 because the second playback device 126 provides only an audio playback function. It is transmitted to the second playback device 126 to control the second playback device 126 to reproduce the audio of the content.
  • the processor 10 provides an audio playback function among the plurality of playback devices 130 . to identify another second playback device, and control the other second playback device to reproduce the audio of the content reproduced by the second playback device 126 . For example, when the user 1 removes the second playback device 126 from the second position P2, the processor 10 determines that the second playback device 121 providing an audio playback function is connected to the second playback device ( 126) controls to reproduce the audio of the content reproduced. When there are a plurality of other playback devices, the processor 10 selects another playback device closest to the user 1 and controls the content audio to be played back.
  • the processor 10 moves the position of the user 1 ( In response to 4), the second playback device 126 controls to reproduce the video and audio of the content. If the user 1 removes the second playback device 126 , the processor 10 identifies another playback device having a video and audio playback function, and the identified other playback device is removed from the second playback device 126 . Controls to play video and audio of the content being played back.
  • the processor 10 can control another second playback device to play the content according to whether the second playback device 126 implemented as a wearable device is detached or not, the convenience of use in providing a seamless playback service is further improved. can be improved

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

Dans la présente invention, lorsqu'un utilisateur est hors de portée d'un premier dispositif de reproduction en conséquence du déplacement de la position de l'utilisateur et qu'une position d'un second dispositif de reproduction est déplacée pour correspondre à la position de l'utilisateur, le second dispositif de reproduction reproduit en continu une vidéo du contenu qui est reproduit par le premier dispositif de reproduction sur la base d'une fonction de reproduction de contenu que le second dispositif de reproduction peut fournir ; un niveau de volume audio du contenu reproduit par le premier dispositif de reproduction et un niveau de volume audio du contenu reproduit par le second dispositif de reproduction sont ajustés en réponse à un changement de distance entre le premier dispositif de reproduction et l'utilisateur en fonction du déplacement de la position de l'utilisateur.
PCT/KR2021/001980 2021-02-05 2021-02-16 Dispositif électronique et procédé de commande associé Ceased WO2022169016A1 (fr)

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