JP2008067130A - Home transmission system and receiver - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an in-house system by which television broadcast, etc. is viewed on view conditions adjusted by the same adjustment setting information in any receiver connected via the in-house network only by adjusting/setting video signals to be displayed on a display means and sound signals to be output to a speaker means, etc. in order to create viewing environment suitable for tastes. <P>SOLUTION: The television broadcast, etc. is viewed in a state of being adjusted by the same user setting information matched to the tastes of a user even in the case of a receiver for which the user setting information for adjustment is not set by sharing/utilizing the user setting information of which the image quality of the video signals to be displayed on the display means 210 when the television broadcast, etc. is viewed and sound quality of the sound signals to be output to the speaker means 220, etc. are adjusted according to the tastes via the in-house network by the user in a certain receiver 100 between receivers connected via the in-house network and having means for displaying video images and outputting sound. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a setting and setting of viewing display when a user views each receiving device in a home transmission system including a plurality of receiving devices that receive and display a video / audio stream via a home network. Regarding control.

  The television receiver has a function of adjusting the initial image quality and sound quality of the viewer as a user when displaying video on a display or outputting sound through a speaker. By using these adjustment functions, it is possible to adjust the image quality, sound quality, etc. to a desired state when viewing with a television receiver.

  There are also television receivers that have a function that can be adjusted by selecting a preset adjustment state (adjustment level), such as a video menu or an audio menu related to the adjustment function.

Further, Patent Document 1 discloses a keyword creating means for creating a keyword and an adjustment parameter for adjusting at least one of the keyword, image quality, and sound quality in a television receiver to which content and information related to the content are supplied. Is extracted when the keyword is extracted from the information related to the content, the storage means for storing the information in association with each other, the registration means for registering the keyword created by the keyword creation means with the adjustment parameter in association with the storage means, A television capable of learning to create a viewing environment that suits the user's preference by having adjustment means for adjusting at least one of the image quality and sound quality of the output content based on the adjustment parameter corresponding to the keyword John receiver is disclosed There.
Japanese Patent Laid-Open No. 2005-94072

  However, in a plurality of receiving devices that are connected via a home network and have a television receiving function for receiving a video / audio stream, a video display unit such as a display or a speaker, an audio output unit, and the like, the user can select a specific receiving unit. Even if the viewing environment is set by adjusting the video display on the display or the audio output to the speaker to create a viewing environment that suits the user's preference, Since the above viewing environment is not set in a plurality of receiving apparatuses, the viewing environment that suits the user's preference cannot be inherited, and the user can use the television receiving function for each receiving apparatus having a television receiving function. Every time you watch a broadcast, adjust the video display on the display and the audio output to the speakers. Have the challenge of each time set according to the good.

  The present invention is intended to solve such a problem, and is connected between a receiving device and connected to a home network and provided with display means (video display means) for displaying video and speaker means (audio output means) for outputting audio. Thus, each user can share adjustment setting information for adjusting the video signal displayed on the display means when viewing a television broadcast, the audio signal output to the speaker means, etc. for each user. Just adjust / set the video signal displayed on the display means, the audio signal output to the speaker means, etc. in order to create a viewing environment that suits your preferences in one of the receivers connected via the network. In any receiving device connected to the home network, the viewing conditions adjusted with the same adjustment setting information And to provide a home system that can be listened.

  In order to achieve the above object, the in-home transmission system of the first invention of the present application (corresponding to claim 1) receives the broadcast stream of the Internet broadcast received via the broadband Internet and the home network, and the radio wave. An in-home transmission system comprising a plurality of receiving devices having a function of receiving and playing back at least the Internet broadcasting broadcast stream (video / audio stream) out of digital television broadcast streams, wherein the receiving device Holds control information such as a video menu and an audio menu for adjusting the image quality of the video signal and the sound quality of the audio signal obtained by decoding the received video / audio stream, and the user uses the control information. Retains user setting information when image quality, sound quality, etc. are set And a display characteristic on the display means for displaying the decoded video signal and an output characteristic on the speaker means for outputting the decoded audio signal by a remote control operation by the user using the control information. Based on the selected selection information, or means for controlling image quality, sound quality, etc. based on the user setting information, and selecting the channel by receiving the Internet broadcast via the broadband Internet and the home network and operating the user's remote control, etc. The means for outputting the broadcast stream (video / audio stream) of the broadcast station and the means for outputting the home network and the means for outputting the broadcast stream (video / audio stream) are combined with each other via the interface means to the home network. Communication system with the receiving device The user setting information is shared by transmitting / receiving control data to / from other receiving apparatuses via the home network and simultaneously transmitting / receiving the user setting information held by the receiving apparatuses. When the user (A) views the Internet broadcast or the digital television broadcast with the receiving device (a) that does not adjust / set the image quality or the sound quality using the control information. The user setting information of the user (A) set by the user (A) is held in at least one receiving device (receiving device b) other than the receiving device (a) connected through the home network. In the receiving device (a), based on the user setting information of the user (A) held in the receiving device (b). In addition, it is possible to adjust and set the image quality of the video signal displayed on the display means and the sound quality of the audio signal output to the speaker means.

  The receiving device of the second invention (corresponding to claim 4) includes an Internet broadcast broadcast stream received via the broadband Internet and a home network and a digital television broadcast stream received via radio waves, 2. The receiving apparatus constituting the home transmission system according to claim 1, wherein the receiving apparatus comprises at least a function of receiving and playing back a broadcast stream (video / audio stream) of the Internet broadcast, and decodes the received video / audio stream. User settings when the control information such as the video menu and the audio menu for adjusting the image quality of the processed video signal and the sound quality of the audio signal is held and the user sets the image quality and the sound quality using the control information. Parameter holding means for holding information and the like, and the decoding processing Display characteristics on the display means for displaying the image signal are controlled based on selection information selected by a user by remote control operation using the control information held in the parameter holding means, or the parameter holding means The image quality control means controlled based on the held user setting information and the output characteristics to the speaker means for outputting the decoded audio signal are output by the user using the control information held in the parameter holding means. Sound quality control means controlled based on selection information selected by remote control operation or the like, or controlled based on the user setting information held in the parameter holding means, and Internet broadcast via the broadband Internet and the home network User's remote control operation Outputs a broadcast stream (video / audio stream) of the broadcasting station selected by, controls communication with the other receiving device connected to the home network, and receives the other receiving device via the home network. Network means serving as an interface for transmitting and receiving control data to and from each other, and also receiving and receiving user setting information such as image quality and sound quality held in the parameter holding means by each of the receiving devices; The user settings such as image quality and sound quality which are transmitted and received by the receiving device via the home network and the other network device, and which each receiving device holds in each of the parameter holding devices. Protocol means for sharing the user setting information by transmitting and receiving information is provided. It is characterized by.

  According to the present invention, a display device for displaying a television broadcast or the like is displayed on a receiving device by a user between receiving devices connected to a home network and including a display device for displaying video and a speaker device for outputting sound. By sharing / utilizing the setting information for each user that adjusts the video signal, the audio signal output to the speaker means, and the like via the home network, each user can select one of the receiving devices connected to the home network. In any one of the receiving devices connected to the home network, it is only necessary to adjust / set the video signal displayed on the display means and the audio signal output to the speaker means in order to create a viewing environment that suits the user's preference. For viewing under the viewing conditions adjusted by the same setting information for adjustment. It is possible.

  First, an image display image quality adjustment function and an audio output sound quality adjustment function in the television reception function will be described. For the adjustment of the image quality and sound quality in the television reception function, menus for user operations such as a video menu and an audio menu are prepared.

  For example, items prepared as a video menu include the following items.

(1-1) Standard: Standard video (1-2) Cinema: Video suitable for movies (1-3) Dynamic: Sharp and clear video (1-4) User: Finely tailored to your liking Adjusted video In addition, the following detailed video menu setting items are provided.

(2-1) Picture: Adjust the shade and brightness according to the brightness of the room (2-2) Black level: Adjust the night screen and hair to make it easy to see (2-3) Color density: Select Adjust to darkness (2-4) Hue: Adjust skin tone neatly (2-5) Sharpness: Adjust the image outline so that it is easy to see (2-6) Color temperature: Adjust to the desired color tone (2-7) Vivid: Color (2-8) Brightness Auto: Adjust to a screen that is easy to see according to the surrounding brightness. When the video menu setting is “1-4” “User”, Detailed adjustment items are available.

(3-1) Contour emphasis: Adjust the degree of vertical line emphasis (3-2) Gamma correction: Adjust the brightness (3-3) Black stretch: Adjust the gradation change in the darker than the middle (3 -4) R drive: Adjust the red intensity in the bright area (3-5) B drive: Adjust the blue intensity in the bright area (3-6) R cut off: Adjust the red intensity in the dark area (3-7) B cut-off: Adjusts the intensity of blue in dark areas. (3-8) Brightness correction: Adjusts to make it easy to see images in dark places when “ON” is set. It is an item that has been.

  Next, items prepared as a video menu for setting the screen size and display position are shown below.

(4-1) Self-wide: Adjustment that automatically enlarges and displays the original video with less discomfort (4-2) Normal: Adjustment that displays the original video as it is (4-3) Just: Less discomfort Adjustment to enlarge the image (4-4) Zoom: Adjustment to enlarge the whole (4-5) Full: Adjustment to enlarge the left and right to fill the screen In addition, there are items that can be finely adjusted, such as setting the display position. Yes.

  Next, items prepared as an audio menu are shown below.

(5-1) Auto: Automatically adjusts loud sounds and automatically reduces loud sounds (5-2) Standard: Sounds as they are (5-3) Dynamic: Adjustments that emphasize sharpness (5-4) Smooth: Sounds Adjustment that emphasizes the high frequency area In addition, the following setting items for the audio menu are provided.

(6-1) Bass: Adjust bass (6-2) Treble: Adjust treble (6-3) Balance: Adjust left and right volume (6-4) Surround: Adjust presence (6-5) Equalizer: Adjusting the sound of the speaker to a characteristic that makes it easy to hear The above video menu and audio menu are prepared for adjusting the image quality of the video display and the sound quality of the audio output, and the user can view the TV program on the TV receiver. When viewing, the above-mentioned video menu and audio menu are displayed on the display, and these video menus and audio menus are used to set the desired image quality and sound quality by operating the remote control etc. It is possible to perform operations and settings for setting the image quality, sound quality, and the like of the user for each device.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

  The in-home transmission system according to the embodiment of the present invention uses functions such as a video menu and an audio menu provided in the above-described television reception function. In each receiving apparatus connected in the home network, the user can When viewing a television broadcast, the video menu and the audio menu are adjusted using the home network.

(Embodiment 1)
FIG. 1 is a block diagram showing a configuration of a receiving apparatus constituting the in-home transmission system according to Embodiment 1 of the present invention.

  In FIG. 1, a receiving apparatus 100 includes a tuner unit 101 that receives a digital television broadcast and outputs a broadcast stream (video / audio stream) of a broadcasting station that is selected by an operation of a user's remote control transmission unit, etc., and broadband. A broadcast stream (broadcast stream of a broadcasting station selected by operating the remote control transmission means of the user by receiving Internet broadcast (hereinafter referred to as IP broadcast) via the Internet (not shown) and a home network (not shown). Video / audio stream) and communication control with other receiving devices connected to the home network, and control data is sent to and received from other receiving devices via the home network. Setting information such as image quality and sound quality set by the user that the device holds in parameter holding means described later A network unit 102 serving as an interface for transmitting and receiving each other, a video / audio stream received via a home network and output from the network unit 102, and a digital television broadcast are selected and a tuner unit 101 is selected. An input switching unit 103 that selects and outputs a video / audio stream output from the video, and a video for displaying or outputting the video / audio stream output from the input switching unit 103 on a display unit 210 or a speaker unit 220 described later. And decoder means 104 that performs audio decoding processing, and video based on setting information related to a video menu set as default in the receiving apparatus 100 or based on user setting information set by a user using control information such as a video menu signal Based on image quality adjustment means 105 that performs control for adjusting image quality, video signal output means 106 that outputs a video signal to the display means 210, and setting information related to the audio menu that is set as default in the receiving apparatus 100, or Sound quality adjusting means 107 for performing control for adjusting the sound quality of the sound signal based on user setting information set by the user using control information such as a sound menu, and sound signal output for outputting the sound signal to the speaker means 220 The video menu and audio menu used by the user to adjust / set the image quality and sound quality for display or output to the display means 210 and the speaker means 220 as well as controlling the means 108 and the television receiving function. Control information and the like are displayed on the display means 210. Control means 109 to be controlled, and remote control transmission means (not shown) used for adjusting the image quality and sound quality by utilizing the control information such as the selection of the broadcasting station that the user wants to watch, the video menu, and the audio menu. Control data is transmitted and received between the remote control receiving means 110 for receiving the information and other receiving apparatuses via the home network and the network means 102, and each receiving apparatus holds in each parameter holding means to be described later. Protocol means 111 for sharing the user setting information among the respective receiving devices by transmitting and receiving user setting information relating to image quality and sound quality to be transmitted, control data (user setting information, etc.) received by the protocol means 111 and a remote controller From the control means 109 that transmits control information based on the information received by the reception means 110 Based on the control, the image quality adjusting unit 105 and the sound quality adjusting unit 107 are controlled, the image quality controlling unit 114 is formed together with the image quality adjusting unit 105, the parameter converting unit 112 constituting the audio controlling unit 115 together with the sound quality adjusting unit 107, and the received broadcast stream. Control information such as video menu and audio menu for adjusting the image quality of the video signal and audio signal that have been decoded from (video / audio stream), audio menu control information, default video menu, audio menu setting information, and user Comprises parameter holding means 113 for holding user setting information when image quality, sound quality, etc. are set using control information such as a video menu and an audio menu.

  FIG. 2 is a diagram showing an example of a configuration in which a plurality of receiving apparatuses are connected via a home network in the home transmission system according to Embodiment 1 of the present invention.

  In FIG. 2, receiving device A 201 and receiving device B 202 are receiving devices that constitute the in-home transmission system according to Embodiment 1 of the present invention, and have the same configuration as receiving device 100 shown in FIG. They are connected by a home network 300.

  The receiving device A201 is provided with display means A211 for displaying the video signal output from the receiving device A201 and speaker means A221 for reproducing the audio signal output from the receiving device A201, and the receiving device B202 includes the receiving device. Display means B212 for displaying a video signal output from B202 and speaker means B222 for reproducing an audio signal output from receiving apparatus B201 are arranged.

  The home network 300 is configured by a wired LAN such as Ethernet (registered trademark), a wireless LAN, or the like. The router means 401 is a means for connecting the broadband Internet 600 and the home network 300, and the antenna means 501 is a digital television. It is a means for receiving radio waves of John Broadcasting.

  FIG. 3 shows an adjustment result of image quality and sound quality when a user views a television program with one receiving apparatus in the in-home transmission system including a plurality of receiving apparatuses according to Embodiment 1 of the present invention. It is a figure which shows the procedure in the case of registering the setting of the user setting information (viewing parameter) which is and setting the same viewing parameter in another receiving apparatus using the registered user setting information (viewing parameter).

  Adjustment of image quality and sound quality performed by the user when viewing the digital television broadcast or IP broadcast with respect to the reception device A201 or the reception device B202 in the home transmission system configured as shown in FIG. The operation of adjustment of image quality, sound quality, etc. in the case of viewing a digital television broadcast or the like in an unadjusted receiving apparatus different from the receiving apparatus that has adjusted the operation will be described below.

  First, referring to FIG. 1 and FIG. 2, in the receiving apparatus A 201 constituting the in-home transmission system, the receiving apparatus A 201 in the case of receiving a digital television broadcast or IP broadcast stream for viewing (video display, audio output). The operation will be described. Note that the configuration of the receiving device A201 is the same as that of the receiving device 100 shown in FIG.

  Receives digital television broadcast radio waves, receives an output signal from tuner means 101 that outputs a program stream of a broadcast station selected by the user, and IP broadcast via broadband Internet 600 and home network 300, The output signals from the network means 102 that outputs the broadcast stream of the broadcast station selected by the user are input to the input switching means 103, respectively. The input switching means 103 switches between and selects either broadcast by radio waves or broadcast by the Internet, and outputs the broadcast stream of the broadcast station selected by the user to the decoder means 104. The decoder unit 104 decodes the video stream and the audio stream among the broadcast streams input from the input switching unit 103. The video data and audio data decoded and output by the decoder means 104 are input to the image quality adjusting means 105 and the sound quality adjusting means 107, respectively.

  The video data or audio data input to the image quality adjustment unit 105 or the sound quality adjustment unit 107 is subjected to signal processing in the image quality adjustment unit 105 or the sound quality adjustment unit 107 based on the control data relating to the image quality or the sound quality from the parameter conversion unit 112, respectively. And output from the video signal output means 106 or the audio signal output means 108 to the display means 210 or the speaker means 220 for video display or audio output, respectively.

  On the other hand, the parameter conversion means 112 is received by the protocol means 111 that transmits or receives control data with another receiving apparatus (here, the receiving apparatus B202) connected by the home network 300 via the home network 300 and the network means 102. Based on the control from the control means 109 that transmits the control information based on the control data (for example, user setting information relating to the image quality and sound quality set by the user), information received by the remote control receiving means 110, and the like. The adjusting means 105 and the sound quality adjusting means 107 are controlled, and the image quality controlling means 114 is configured together with the image quality adjusting means 105, and the sound quality controlling means 115 is configured together with the sound quality adjusting means 107.

  Next, viewing adjustments such as image quality and sound quality in the receiving apparatus by the user will be described.

  As already described, as the television receiving function, control information such as a video menu and an audio menu for adjusting image quality and sound quality is prepared, and a function for setting various items is prepared. The user operates a remote control transmission means (not shown) when viewing and operates the video menu and the audio menu displayed on the display means 210 using the prepared control information setting function and the like. Based on the display, the video signal, the audio signal, or the display format is set according to the user's preference.

  FIG. 4 is a diagram illustrating an example of the setting data management table for each user of the video menu and the audio menu of the receiving apparatus according to Embodiment 1 of the present invention. The user is, for example, in the management table shown in FIG. According to the management items, large items in the video menu: Standard, Cinema, Dynamic, User, then middle items: Picture, Black Level, Color Saturation, Hue, Sharpness, Color Temperature, Vivid, Brightness Auto, then Small Items: Image enhancement such as edge enhancement, gamma correction, black extension, R drive, B drive, R cut-off, B cut-off, brightness correction, etc., followed by screen size and display position settings, Furthermore, sound quality and the like are set in the order of large items and medium items in the voice menu.

  Next, with reference to FIG. 1 and FIG. 2, operations when the user sets parameters in the video menu and audio menu and the operation of the receiving apparatus will be described.

  The user operates the remote control capable of operating the television receiving function to adjust the image quality, sound quality, and the like using one receiving device A201 constituting the home transmission system, and the desired image quality that suits the user's preference. And adjust the sound quality. At this time, the user operates using the remote controller in accordance with an instruction of control information such as a video menu and an audio menu displayed on the display unit 210 under the control of the control unit 109. The remote control code issued when the user operates the remote control is received by the remote control receiving means 110 and notified to the control means 109 that controls the entire receiving apparatus.

  The control unit 109 performs selection control between the digital television broadcast stream output from the tuner unit 101 in the input switching unit 103 and the IP broadcast broadcast stream output from the network unit 102, and decoding processing in the decoder unit 104. In addition to controlling the entire receiving apparatus such as control, the image quality adjustment unit 105 and the sound quality adjustment unit 107 perform image quality and size control and sound quality control via the parameter conversion unit 112. Control information for performing such control, for example, control information such as a video menu and an audio menu used by the user to adjust / set image quality and sound quality, and further, image quality and sound quality set by the user User setting information and the like are held in the parameter holding means 113.

  FIG. 4 described above is a diagram illustrating an example of a management table of user setting information held in the parameter holding unit 113.

  FIG. 4 shows an example of items in the video menu and audio menu, but items other than these may be added to the management table. Further, the management table manages data related to the video menu and the audio menu for each user ID for identifying the user who operates the remote controller.

  When the user operates the remote control to transmit a broadcast program viewing start command and a user ID, the receiving apparatus A 201 receives the command and user ID transmitted from the user by the remote control receiving means 110 and receives them by the parameter holding means 113. The control unit 109 controls the parameter conversion unit 112 based on the data managed by the user ID. The parameter conversion unit 112 converts the parameters into data for controlling the image quality adjustment unit 105 and the sound quality adjustment unit 107 based on the control from the control unit 109. As described above, the user uses the image quality adjustment unit 105 and the sound quality adjustment unit 107 based on the data (user setting information) relating to the image quality and sound quality set and managed according to the user's preference in the parameter holding unit 113. It is possible to view a television program with the sound quality and the like adjusted.

  Next, an operation of adjusting image quality, sound quality, etc. when the user views a television program using another receiving apparatus B202 connected via the home network 300 will be described.

  In the receiving device A201 in which the user A (user whose user ID for identifying the user is the user A) is connected to the home network 300, the parameter holding unit 113 manages data (user setting information) related to the video menu / audio menu. In the state where the television program is viewed using another receiving device B202 that is connected to the home network 300 and does not manage data (user setting information) related to the video menu / audio menu, the receiving device B202 For all receiving devices connected to 300, it is confirmed whether or not the data (user setting information) of user A as the user ID is managed. Whether the data is managed or not is confirmed by the protocol means 111 in the receiving apparatus B202 acting on the protocol means 111 in another receiving apparatus (here, the receiving apparatus A201) connected to the home network 300 to transmit control data. Alternatively, it is confirmed by receiving.

  Next, with reference to FIG. 3, an operation procedure in the receiving device B 202 and the receiving device A 201 connected via the home network 300 when the user A views a television program using the receiving device B 202 will be described.

  When the user A performs a viewing operation using the remote control, a viewing operation command is transmitted from the remote control, and the receiving device B202 receives the viewing operation command transmitted from the remote control by the remote control reception unit 110, and the control unit 109 This viewing operation command is detected. When the control unit 109 detects a viewing operation command, the control unit 109 first checks whether or not data (user setting information) regarding the video menu / audio menu of the user A is managed in the parameter holding unit 113. If it is determined that the data is not managed, the data (user setting information) related to the video menu / audio menu of user A is managed with respect to another receiving device (in this case, receiving device A201) connected to home network 300. A search request is made as to whether or not it has been done. Here, since the user setting information regarding the video menu / audio menu of user A has already been registered in the receiving apparatus A201, the receiving apparatus A201 is registered with the receiving apparatus B202 as a response to the search request. The user setting information related to the video menu / audio menu of A is returned.

  In the receiving apparatus B 202, user setting information, which is viewing setting data regarding the video menu / audio menu of the user A acquired by the protocol means 111 from the receiving apparatus A 201 via the home network 300 and the network means 102, It is held in the parameter holding means 113 by the control.

  Note that the receiving device B202 is different from the timing of the viewing operation of the user A, with respect to another receiving device (here, the receiving device A201) connected to the home network 300 at the timing of the event (for example, power ON). Further, it may be inquired whether or not data (user setting information) relating to the video menu / audio menu of user A is managed. If data (user setting information) is managed, the receiving device B202 issues a data request to another receiving device (here, the receiving device A201), and the other receiving device (here, the receiving device A201) User setting information regarding the video menu / audio menu of user A is returned to the receiving apparatus B202. The receiving device B202 stores user setting information regarding the video menu / audio menu of the user A acquired from another receiving device (here, the receiving device A201) in the parameter holding unit 113, and the data management information of the parameter holding unit 113 is stored. Update.

  The control means 109 in the receiving apparatus B 202 receives the image quality via the parameter converting means 112 based on the data (user setting information) relating to the video menu / audio menu of the user A obtained from another receiving apparatus (the receiving apparatus A 201 in this case). The adjustment means 105 and the sound quality adjustment means 107 perform control related to the image quality and sound quality of the video menu and sound quality menu. As a result, in the receiving apparatus B202, user setting information regarding the video menu / audio menu of the user A set in another receiving apparatus (here, the receiving apparatus A201) constituting the home transmission system, that is, viewing setting data Image display and audio output controlled with the same data can be obtained.

  In the first embodiment of the present description, any one or a plurality of receiving devices existing on the home network, that is, any one or a plurality of receiving devices constituting the home transmission system are received as a specific example. The device A201 manages user setting information related to the video menu / audio menu of a specific user, and a receiving device (specifically, the receiving device B202) that does not manage the user setting information is transmitted to other receiving devices existing on the home network. However, the present invention is not limited to this. For example, one of the receiving devices existing on the home network is defined as the management device, and the data management information is identified by the user for each user. Are managed by uploading to a receiving device designated as a management device, and user B uses the receiving device C existing in the home network to When viewing a video program, the data management information (user setting information) related to the user B is acquired from the receiving device determined as the management device, and the data management information (user setting information) related to the acquired user B is received as the receiving device. You may make it set to C.

  In addition, as one method for identifying a user, the user's ID code is embedded in the nonvolatile storage area of the remote controller in advance to provide a remote controller for each user, and the user can turn on the power source or select a channel using each remote controller. In this case, by issuing a power-on code when the power is turned on or issuance of a tuning code at the time of tuning, the user identification code is issued to the receiving device so that the user can be identified. It can be done easily.

  In the first embodiment of the present invention, the display unit 210 and the speaker unit 220 are units installed outside the receiving device. However, the present invention is not limited to this, and the receiving device includes these units. It may be a configuration.

  The in-home transmission system according to the present invention has a digital television reception function, and further includes a plurality of reception devices having adjustment functions such as the image quality of received and reproduced and displayed images and the sound quality of audio output. The present invention can be applied to a home transmission system in which image quality and sound quality can be easily adjusted using a home network.

The block diagram which shows the structure of the receiver which comprises the subscriber | terminal transmission system in Embodiment 1 of this invention. The figure which shows the example of 1 structure in which the some receiving apparatus is connected via a home network in the home transmission system in Embodiment 1 of this invention. In the in-home transmission system including a plurality of receiving apparatuses according to Embodiment 1 of the present invention, when a user views a television program with one receiving apparatus, the image quality and sound quality are adjusted, and the user setting that is the adjustment result The figure which shows the procedure in the case of registering the setting of information (viewing parameter), and setting the same viewing parameter in another receiving apparatus using the registered user setting information The figure which shows an example of the table of the setting data management for every user of the video / audio menu of the receiver in Embodiment 1 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Receiver 101 Tuner means 102 Network means 103 Input switching means 104 Decoder means 105 Image quality adjusting means 106 Video signal output means 107 Sound quality adjusting means 108 Audio signal output means 109 Control means 110 Remote control receiving means 111 Protocol means 112 Parameter converting means 113 Parameters Holding means 114 Image quality control means 115 Sound quality control means 201 Receiver A
202 Receiver B
210 Display means 211 Display means 212 Display means 220 Speaker means 221 Speaker means 222 Speaker means 300 Home network 401 Router means 501 Antenna means 600 Internet

Claims (6)

Receiving at least the Internet broadcast broadcast stream (video / audio stream) out of the broadcast stream of the Internet broadcast received via the broadband Internet and the home network and the broadcast stream of the digital television broadcast received via radio waves A home transmission system composed of a plurality of receiving devices having a function of reproducing,
The receiving apparatus holds control information such as a video menu and an audio menu for adjusting an image quality of a video signal obtained by decoding the received video / audio stream, a sound quality of an audio signal, and the like. Means for storing user setting information when image quality, sound quality, etc. are set using
Selection information selected by the user by a remote control operation or the like using the control information for display characteristics on display means for displaying the decoded video signal and output characteristics for speaker means for outputting the decoded audio signal Or means for controlling image quality, sound quality, etc. based on the user setting information;
Means for receiving the Internet broadcast via the broadband Internet and the home network and outputting a broadcast stream (video / audio stream) of a broadcast station selected by a user's remote control operation, etc .;
The home network and the broadcast stream (video / audio stream) outputting means control the communication with the other receiving device via the home network interface means, and the other reception via the home network. Means for transmitting and receiving control data to and from the device, and also sharing the user setting information by transmitting and receiving the user setting information held by each of the receiving devices.
When the user (A) views the Internet broadcast or the digital television broadcast with the receiving device (a) that has not adjusted / set the image quality or the sound quality using the control information,
The user setting information of the user (A) set by the user (A) is held in at least one receiving device (receiving device b) other than the receiving device (a) connected via the home network. If you have
In the receiving device (a), based on the user setting information of the user (A) held in the receiving device (b), the image quality of the video signal displayed on the display means and the output to the speaker means An in-home transmission system characterized by the ability to adjust settings such as the sound quality of the audio signal to be transmitted. User setting information when the user sets image quality or sound quality using control information is managed and held together with the user identification information of the user, and the user identification information is utilized for detection of the user setting information for each user. The in-home transmission system according to claim 1, comprising: a receiving device configured to detect and use the user setting information for each user. For each user, it is managed and held in the nonvolatile storage area of the remote control transmission means owned by the user attached to the receiving device together with user setting information when the user sets image quality, sound quality, etc. using control information User identification information is held, and the user identification information is notified to the receiving device when the user performs an operation to turn on the power of the receiving device or a channel selection operation using the remote control transmission unit. 3. The in-home transmission system according to claim 2, wherein the remote control transmission means is constituted by the receiving device attached. Receive and play at least the Internet broadcast broadcast stream (video / audio stream) out of the broadcast stream of Internet broadcast received via broadband Internet and home network and the broadcast stream of digital television broadcast received via radio waves A receiving apparatus that constitutes the in-home transmission system according to claim 1,
The control information such as the video menu and the audio menu for adjusting the image quality of the video signal and the sound quality of the audio signal obtained by decoding the received video / audio stream is held. Parameter holding means for holding user setting information when sound quality and the like are set;
Display characteristics on the display means for displaying the decoded video signal is controlled based on selection information selected by a user by a remote control operation using the control information held in the parameter holding means, or Image quality control means controlled based on the user setting information held in the parameter holding means;
Output characteristics to the speaker means for outputting the decoded audio signal is controlled based on selection information selected by a user by a remote control operation using the control information held in the parameter holding means, or Sound quality control means controlled based on the user setting information held in the parameter holding means;
In addition to receiving an Internet broadcast via the broadband Internet and the home network and outputting a broadcast stream (video / audio stream) of a broadcast station selected by a user's remote control operation, etc., and connected to the home network Communication control with the receiving device, and transmission / reception of control data to / from other receiving devices via the home network, together with image quality and sound quality that each receiving device holds in the parameter holding means, etc. Network means serving as an interface for transmitting and receiving the user setting information of each other,
The user who transmits / receives the control data to / from another receiving device via the home network and the network means, and also the image quality and sound quality that each receiving device holds in each parameter holding means. A receiving apparatus comprising protocol means for sharing user setting information by transmitting and receiving setting information. The parameter holding means manages and holds the setting information together with the user identification information of the user when the user sets the image quality and the sound quality using the control information,
The network means serves as an interface for distinguishing the user setting information such as image quality and sound quality held in the parameter holding means by the user identification information and transmitting and receiving the user setting information for each user as the user setting information. ,
The protocol means distinguishes the user setting information such as image quality and sound quality held in the parameter holding means by the user identification information, and transmits and receives the user setting information as the user setting information for each user. The receiving apparatus according to claim 4, wherein the receiving apparatus is shared. For each user, it is managed and held in the nonvolatile storage area of the remote control transmission means owned by the user attached to the receiving device together with user setting information when the user sets image quality, sound quality, etc. using control information User identification information is held, and the user identification information is notified to the receiving device when the user performs an operation to turn on the power of the receiving device or a channel selection operation using the remote control transmission unit. 6. The receiving apparatus according to claim 5, further comprising the remote control transmission means.

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