WO2018173191A1 - Information processing device, channel distribution system, channel distribution method, and channel distribution program - Google Patents

Abstract

Provided are an information processing device, a channel distribution system, a channel distribution method, and a channel distribution program that enable assignment of a channel more simply. The present invention is provided with: an acquisition unit (22) that acquires individual identification information specific to acoustic devices (11, 12, 13, 14, 15); a reception unit (23) that receives, from a user, channel setting information to be assigned to the acoustic devices (11, 12, 13, 14, 15); and a transmission unit (241) that transmits the individual identification information and the channel setting information to a content output device (3) that outputs a content including a plurality of channels.

Description

Information processing apparatus, channel distribution system, channel distribution method, and channel distribution program

Embodiments of the present invention relate to an information processing apparatus, a channel distribution system, a channel distribution method, and a channel distribution program for easily setting a content channel.

・ Multi-channel audio systems, etc. have multiple speakers. When distributing content, it is necessary to assign a channel included in the content to each speaker. Patent Document 1 discloses a channel assignment device for a plurality of connected speakers. The channel assignment device described in Patent Document 1 reduces user errors by automatically assigning channels.

International Publication No. 2008/126161

In the channel assignment device of Patent Document 1, a microphone is provided for collecting measurement sounds output from a plurality of speakers. The amplifier device performs automatic sound field correction processing from the sound picked up by the microphone, but the measurement is time consuming and requires multiple measurements to determine the position of the speaker. Is.

Therefore, an object of the present invention is to provide an information processing apparatus, a channel distribution system, a channel distribution method, and a channel distribution program that can assign channels more easily.

An information processing apparatus according to an embodiment of the present invention includes an acquisition unit that acquires individual identification information unique to an audio device, a reception unit that receives channel setting information to be assigned to the audio device from a user, the individual identification information, and the And a transmission unit that transmits the channel setting information to a content output device that outputs content including a plurality of channels.

According to the present invention, even in a multi-channel audio system, a user can easily assign channels to devices.

FIG. 1 is a conceptual diagram for explaining a configuration of a channel distribution system according to an embodiment. FIG. 2 is a block diagram illustrating a configuration of the mobile terminal according to the embodiment. FIG. 3 is a table showing an example of combinations of channel setting information received from a user, individual identification information unique to a wireless speaker, and content channels assigned to the wireless speaker. FIG. 4 is a flowchart showing the operation of the channel distribution system. FIG. 5A to FIG. 5D are diagrams for explaining an example of an input screen displayed for the user to input channel setting information. FIG. 6 is a diagram for explaining an example of display on the channel at the time of channel setting in the channel distribution system. FIG. 7 is a block diagram illustrating a configuration of a wireless speaker according to an embodiment. FIG. 8 is a block diagram illustrating a configuration of an AV receiver according to an embodiment. FIGS. 9A and 9B are conceptual diagrams for explaining an example of channel assignment in the channel distribution system 10.

FIG. 1 is a conceptual diagram for explaining a configuration of a channel distribution system 10 according to an embodiment.

As shown in FIG. 1, a channel distribution system 10 includes a BD player 1, a portable terminal 2, an AV receiver 3, and a plurality of audio devices (a wireless speaker 11, a wireless speaker 12, a wireless speaker 13, a wireless speaker 14, and a wireless speaker. 15). The BD player 1 reproduces content. The BD player 1 transmits the reproduced content to the AV receiver 3, and can be used instead of any one having a similar function. The BD player 1 and the AV receiver 3 may be connected either by wire or wirelessly. The AV receiver 3 may incorporate the function of the BD player 1.

The channel distribution system 10 arranges a plurality of acoustic devices (wireless speaker 11, wireless speaker 12, wireless speaker 13, wireless speaker 14, and wireless speaker 15) at different positions. In this example, the wireless speaker 11 is disposed in front of the listening position, the wireless speaker 12 is disposed on the right front of the listening position, the wireless speaker 13 is disposed on the right rear of the listening position, and the wireless speaker is on the left rear of the listening position. 14 is arranged, and a wireless speaker 15 is arranged on the left front of the listening position.

The mobile terminal 2 and the AV receiver 3 construct a wireless LAN via a wireless router to be connected or a wireless communication function of the own device. The wireless network connects the portable terminal 2 and the AV receiver 3 to each other. The wireless network connects the mobile terminal 2 and the AV receiver 3 to a plurality of wireless speakers 11, wireless speakers 12, wireless speakers 13, wireless speakers 14, and wireless speakers 15, respectively. Note that the number and arrangement of the audio devices can be changed as appropriate according to the use state of the user.

The mobile terminal 2 is an example of an “information processing apparatus” according to the present invention. The portable terminal 2 is a laptop personal computer, a smartphone, a tablet terminal, or the like, and serves as a controller that operates each device in the channel distribution system 10.

The AV receiver 3 is an example of a “content output device” according to the present invention. The AV receiver 3 outputs content including a plurality of channels. In the present embodiment, examples of the content include multi-channel audio data. The content output apparatus of the present invention can be realized by an information processing apparatus such as a personal computer in addition to the AV receiver 3.

FIG. 2 is a block diagram showing a configuration of the mobile terminal 2 according to the embodiment. FIG. 3 shows an example of a combination of channel setting information received from the user, individual identification information unique to the wireless speakers 11 to 15 acquired by the camera 22, and content channels assigned to the wireless speakers 11 to 15. It is a table | surface which shows.

As shown in FIG. 2, the mobile terminal 2 includes a CPU 21, a camera 22, a reception unit 23, a communication unit 24, a RAM 25, a ROM 26, a DSP 27, and a display 28. The CPU 21 includes an indexing unit 211 and an acquisition unit 212. The communication unit 24 includes a transmission unit 241 and a reception unit 242.

The CPU 21 performs the following various operations by reading the program stored in the ROM 26 which is a storage medium into the RAM 25. The program includes an application for channel setting.

The camera 22 is a camera attached to the mobile terminal 2 and implements an “acquisition unit” according to the present invention together with a program executed by the CPU 21. The camera 22 is an example, and any camera that implements the “acquisition unit” according to the present invention together with the program executed by the CPU 21 can be adopted in addition to the camera 22. Hereinafter, an example of acquiring individual identification information using the camera 22 will be described. In addition, although the example which image | photographs QR code (trademark) with the camera 22 is given, this is an example and is not limited to the combination of the camera 22 and QR code (trademark).

The user uses the camera 22 to photograph the QR code (registered trademark) attached to the wireless speakers 11 to 15. Individual identification information is embedded in the QR code (registered trademark). The individual identification information is unique information regarding the wireless speakers 11 to 15 themselves. The individual identification information is not limited to information pasted on the wireless speakers 11 to 15, and may be information printed or engraved on the wireless speakers 11 to 15, for example. Examples of what is affixed to the wireless speakers 11 to 15 include a barcode, a serial number, and character recognition information. In the case of using a barcode, individual identification information can be acquired by photographing the barcode using the camera 22 as in the case of QR code (registered trademark). When the serial number is used, the CPU 21 needs to have a function of recognizing characters and analyze it. The CPU 21 analyzes the QR codes (registered trademark) of the wireless speakers 11 to 15 acquired by the camera 22 and acquires individual identification information.

The indexing unit 211 of the CPU 21 has a function of determining a physical address from the individual identification information. The indexing unit 211 calculates a physical address unique to the wireless speaker 11 to the wireless speaker 15 from the individual identification information acquired using the camera 22. The physical address is, for example, a MAC address and identification information of a physical layer on the network. The MAC address can be obtained by searching using a manufacturing number from a database holding a correspondence relationship between the MAC address and the manufacturing number existing on the network. Thereby, even if the photographed individual identification information is not a physical address (for example, a serial number), the mobile terminal 2 can obtain the physical address.

The reception unit 23 receives information and instructions from the user. As the reception unit 23, a touch panel, input keys, voice recognition means, and the like are employed. The user inputs channel setting information to be assigned to the wireless speakers 11 to 15, for example, on the touch panel of the mobile terminal 2. The display 28 is a display attached to the mobile terminal 2 and is an example of the “display unit” according to the present invention. In the present embodiment, the display 28 also serves as a touch panel.

The channel setting information is associated with the IP address of the wireless speaker 11 in order to distribute the center (C) channel to the wireless speaker 11, for example. As shown in FIG. 3, the wireless speaker 11 has an IP address for receiving a channel from the AV receiver 3. The wireless speaker 11 has a MAC address that is individual identification information unique to the wireless speaker 11. The IP address and the MAC address are associated in advance and stored in the memory of the mobile terminal 2. Hereinafter, the input of the channel setting information will be described in detail.

FIG. 4 is a flowchart showing the operation of the channel distribution system 10. The channel distribution method of the present invention is realized by the operation of the channel distribution system 10. FIG. 5A to FIG. 5D are diagrams for explaining an example of an input screen displayed for the user to input channel setting information. FIG. 6 is a diagram for explaining an example of display on the display 28 when a channel is set in the channel distribution system 10.

When an application for channel setting is started on the mobile terminal 2, an AV receiver that can be used via the mobile terminal 2 is displayed on the display 28 as shown in FIG. Further, the camera 22 is activated when the application is activated. The user selects the AV receiver 3 to be used from the AV receivers displayed on the display 28 (s11).

When the AV receiver 3 is selected, the shooting screen of the camera 22 is displayed on the display 28 as shown in FIG. As shown in FIG. 5C, the user uses the camera 22 to photograph the QR code (registered trademark) attached to any one of the wireless speakers 11 to 15 (s12). For example, the user first captures a QR code (registered trademark) attached to the wireless speaker 11 (s12). The indexing unit 211 calculates individual identification information from the captured QR code (registered trademark) of the wireless speaker 11. Thereby, the index part 211 acquires the MAC address of the wireless speaker 11 which is individual identification information (s13). If the acquired individual identification information is not a MAC address, the indexing unit 211 may inquire about the MAC address by accessing the network.

Subsequently, the user inputs channel setting information. The input screen for setting the channel by the user is, for example, a display screen as shown in FIG. The display 28 displays channel selection icons based on the speaker arrangement. When the user touches and selects one of the displayed channel selection icons, the channel information of the wireless speaker 11 is input (s14). Note that the input method is not limited to this, and a method of simply selecting from the listed channel options, or input by text or voice can also be performed. Note that either the channel setting information input (s14) or the individual identification information acquisition (s13) may be performed first or simultaneously.

When the user inputs the channel setting information to the receiving unit 23, the unique MAC address of the wireless speaker 11 and the input channel setting information are linked. As a result, a channel is assigned to the wireless speaker 11. Similarly to the wireless speaker 11, channels can be assigned to the wireless speakers 12 to 15 as well. As shown in FIG. 6, the display 28 may display each wireless speaker and the input channel setting information as a set. Thereby, the user can confirm whether the channel is set correctly.

In this embodiment, the channels assigned to the wireless speakers 11 to 15 are the center (C) channel, the right front (FR) channel, the right surround (SR) channel, the left surround (SL) channel, and the left front (FL). ) Channel. When the user inputs an instruction to distribute the channel of the center (C) to the wireless speaker 11, the MAC address of the wireless speaker 11 and the channel setting information of the center (C) that is the content instructed by the user are linked. It is done. Similarly, the wireless speaker 12 has a right front (FR), the wireless speaker 13 has a right surround (SR), the wireless speaker 14 has a left surround (SL), and the wireless speaker 15 has a left front (FL). The inputted instruction content is linked. In this embodiment, one channel is assigned to each wireless speaker, but a plurality of channels may be assigned to one wireless speaker. For example, the right surround (SR) and left surround (SL) channels may be distributed to the wireless speaker 13. As a result, even if the number of wireless speakers is insufficient or fails, a plurality of channels can be distributed to the available wireless speakers.

When the user sets a channel, the user inputs an instruction for transmission to the AV receiver 3 to the reception unit 23 of the mobile terminal 2. The CPU 21 of the mobile terminal 2 receives an instruction from the user and outputs an instruction to transmit to the transmission unit 241. The transmission unit 241 of the portable terminal 2 transmits the input channel setting information and the acquired individual identification information as a set to the AV receiver 3 (s15). The AV receiver 3 will be described in detail later.

The AV receiver 3 receives the channel setting information and the individual identification information (s21). The assigning unit 36 of the AV receiver 3 assigns channels to the wireless speakers 11 to 15 based on the received individual identification information and channel setting information (s22). The AV receiver 3 transmits the channels assigned by the assigning unit 36 to the wireless speakers 11 to 15 (s23). Therefore, the channel distribution system 10 can easily assign the channel included in the content to a specific audio device even when the channel distribution system 10 has a plurality of wireless speakers 11 to 15 and a plurality of channels.

In addition to channel setting, the accepting unit 23 transmits an instruction to transmit channel setting information to the AV receiver 3, an instruction to retransmit the changed information to the AV receiver 3 when the channel setting information is changed, and the like. Also accept.

The communication unit 24 inputs and outputs radio signals such as Wi-Fi (registered trademark) standard and Bluetooth (registered trademark) standard. With this communication unit 24, the mobile terminal 2 can communicate with the wireless speakers 11 to 15 and the AV receiver 3. The transmission unit 241 transmits the individual identification information of the wireless speakers 11 to 15 acquired by the camera 22 and the channel setting information received from the user by the reception unit 23 to the AV receiver 3. The transmission unit 241 may transmit the physical address determined by the indexing unit 211 as individual identification information. By using the physical address unique to the device, the relationship with the IP address set when the wireless LAN is constructed can be used.

The CPU 21 gives the transmission unit 241 an instruction to transmit the associated MAC addresses of the wireless speakers 11 to 15 and the channel setting information assigned to each wireless speaker to the AV receiver 3. Transmission by the transmission unit 241 is executed by the CPU 21 reading a program stored in the ROM 26.

The transmission of the transmission unit 241 is executed by receiving an instruction from the user by the reception unit 23. The transmission unit 241 sets the MAC addresses of the wireless speakers 11 to 15 and the channel setting information assigned to each wireless speaker as a set, and transmits the set to the AV receiver 3. Transmission to the AV receiver 3 is executed by the user instructing the CPU 21. The instruction of transmission to the CPU 21 may be performed collectively when channel settings are received for each of the wireless speakers 11 to 15 or when all channel settings are received. Note that the user may store the channel setting in the nonvolatile memory once and give an instruction to the CPU 21 by reading the channel setting.

The RAM 25 and the ROM 26 are rewritable memories, and are examples of the “first storage unit” according to the present invention. The ROM 26 once holds the individual identification information acquired by the mobile terminal 2 and the channel setting information input to the receiving unit 23. Thereby, when the channel distribution system 10 is used, the channel assignment information of the wireless speakers 11 to 15 held by the AV receiver 3 is lost, or the QR attached to the wireless speakers 11 to 15 is deleted. Even when a problem such as loss of the code (registered trademark) occurs, the transmission unit 241 can transmit the channel setting information because there is the channel setting information stored in the ROM 26.

The display 28 displays the channel setting information input to the reception unit 23 corresponding to the wireless speakers 11 to 15. For example, the display 28 displays the table shown in FIG. As a result, the user can confirm the relationship between the wireless speakers 11 to 15 and the channel setting information.

FIG. 7 is a block diagram showing a configuration of the wireless speaker 11 according to an embodiment. Since the plurality of acoustic devices (wireless speaker 11, wireless speaker 12, wireless speaker 13, wireless speaker 14, and wireless speaker 15) have the same configuration, the wireless speaker 11 will be mainly described.

As shown in FIG. 7, the wireless speaker 11 includes a CPU 41, a communication unit 44, a RAM 45, a ROM 46, a DSP 47, and a speaker 48. The communication unit 44 includes a transmission unit 441 and a reception unit 442.

The CPU 41 performs the following various operations by reading the program stored in the ROM 46 which is a storage medium into the RAM 45. The RAM 45 and the ROM 46 are memories.

The communication unit 44 inputs and outputs radio signals such as Wi-Fi (registered trademark) standard and Bluetooth (registered trademark) standard, for example. The wireless speaker 11 can communicate with the mobile terminal 2 and the AV receiver 3 through the communication unit 44.

The transmission unit 441 can read information once stored in the RAM 45 or the ROM 46 of the wireless speaker 11 and transmit the information to the mobile terminal 2 again. For example, the user acquires the individual identification information of the wireless speaker 11 again using the camera 22. When the channel setting information set in the wireless speaker 11 is stored in the ROM 46, the transmission unit 441 transmits the channel setting information to the mobile terminal 2, so that the mobile terminal 2 is set in the wireless speaker 11. Channel setting information can be obtained. In addition, when acquiring individual identification information again, the personal identification information of the wireless speaker 11 can be obtained by using short-distance communication means such as near infrared communication in the mobile terminal 2. Thereby, the user can confirm the setting state of the channel set directly from the wireless speaker 11.

Here, when the ROM 46 stores the channel setting information set in the wireless speaker 11, the channel setting information is retained in the ROM 46 even when the wireless speaker 11 is turned off. For this reason, even when the user moves the wireless speaker 11 with the power off and places it in another location, the channel setting information set in the wireless speaker 11 is held in the wireless speaker 11. . The user can obtain the individual identification information of the wireless speaker 11 after movement by using the camera 22 or near field communication means such as near infrared communication.

When the user turns on the wireless speaker 11, the CPU 41 can read channel setting information set in the wireless speaker 11 from the ROM 46, and the transmission unit 441 transmits the read information to the mobile terminal 2. The portable terminal 2 acquires channel setting information transmitted from the wireless speaker 11. For this reason, even when the user moves the wireless speaker set to another location and arranges it again, it can be arranged at the correct position. The ROM 46 is an example of the “second storage unit” according to the present invention.

The receiving unit 442 receives at least one channel from among the multi-channel contents from the AV receiver 3 as will be described in detail later. One channel may be distributed for each wireless speaker, or one or more channels may be distributed. The speaker 48 outputs sound related to the content received from the AV receiver 3. Hereinafter, the AV receiver 3 will be described in detail.

FIG. 8 is a block diagram showing the configuration of the AV receiver 3 according to an embodiment. The AV receiver 3 outputs content including a plurality of channels, and is an example of the “content output device” according to the present invention. As shown in FIG. 8, the AV receiver 3 includes a CPU 31, a content input unit 32, a RAM 33, a communication unit 34, and a ROM 35. The CPU 31 includes an assigning unit 36. The communication unit 34 includes a transmission unit 341 and a reception unit 342.

The content input unit 32 inputs content from the BD player 1.

The receiving unit 342 receives the individual identification information and channel setting information transmitted by the mobile terminal 2.

The CPU 31 performs the following various operations by reading the program stored in the ROM 35 into the RAM 33.

The CPU 31 assigns a channel to each of a plurality of acoustic devices (wireless speaker 11, wireless speaker 12, wireless speaker 13, wireless speaker 14, and wireless speaker 15). As described above, the allocation unit 36 of the CPU 31 has a function of allocating channels based on the received individual identification information and channel setting information.

CPU 31 assigns a channel based on the received channel setting information to the IP address of the wireless speaker corresponding to the received MAC address. Thus, the CPU 31 assigns the center (C) channel to the wireless speaker 11. Similarly, the CPU 31 assigns channels based on information held by the other wireless speakers 12 to 15 as well. Thereby, a channel can be set to a plurality of acoustic devices (wireless speaker 11, wireless speaker 12, wireless speaker 13, wireless speaker 14, and wireless speaker 15). In addition, when the user assigns channels, buttons provided on the AV receiver 3 and a plurality of audio devices (wireless speaker 11, wireless speaker 12, wireless speaker 13, wireless speaker 14, and wireless speaker 15) for channel setting. Since there is no need to operate etc., a channel can be set easily. Therefore, even when a plurality of wireless speakers are arranged, a channel can be efficiently allocated to each speaker.

The transmission unit 341 transmits a signal of a channel assigned to each of a plurality of acoustic devices (wireless speaker 11, wireless speaker 12, wireless speaker 13, wireless speaker 14, and wireless speaker 15) to each wireless speaker. Thereby, a channel corresponding to each wireless speaker is distributed, and each wireless speaker reproduces a sound related to the content corresponding to the distributed channel. As shown in FIG. 3, for example, when the user sets the center (C) channel in the wireless speaker 11, the center (C) channel is distributed to the wireless speaker 11. The speaker 48 included in the wireless speaker 11 reproduces sound related to the content of the center (C). As described above, the channel distribution system 10 can easily assign a channel included in the content to a specific audio device even when the channel distribution system 10 has a plurality of audio devices and a plurality of channels.

9A and 9B are conceptual diagrams for explaining an example of channel assignment in the channel distribution system 10.

FIG. 9A is a conceptual diagram when the user sets the right front (FR) channel for the wireless speaker 11 and the center (C) channel for the wireless speaker 12. The channel setting information in this state is set as the first channel setting information. The display 28 displays first channel setting information.

The user can input channel setting information to the receiving unit 23. That is, the user inputs second channel setting information, which is different from the first channel setting information, to the receiving unit 23. As shown in FIG. 9B, the second channel setting information is obtained by setting the center (C) channel for the wireless speaker 11 and the right front (FR) channel for the wireless speaker 12.

The accepting unit 23 accepts an instruction to transmit the second channel setting information from the user. The transmission unit 241 transmits the unique MAC addresses of the wireless speakers 11 to 15 and the second channel setting information to the AV receiver 3. Thereby, the user can change to another channel setting in order to reproduce the same content in the channel distribution system 10.

Note that if a problem occurs in the wireless speaker, the AV receiver 3 or the portable terminal 2 may issue a warning. Thereby, the user can know that it is necessary to re-input the channel setting information.

In the present embodiment, the camera 22 is used to acquire the individual identification information. However, in addition to the camera 22, for example, a proximity communication unit, a wired communication unit, or a voice recognition unit may be used. . As the proximity communication means, for example, a short-range wireless communication technology such as RFID or IR is adopted. The individual identification information pasted on the wireless speakers 11 to 15 can be obtained by the proximity communication means using an application stored in the portable terminal 2. As the wired communication means, for example, USB is adopted. The individual identification information pasted on the wireless speakers 11 to 15 can be obtained by wired communication means using an application stored in the portable terminal 2. As the voice recognition means, for example, each of the wireless speakers 11 to 15 outputs an individual identification number or the like as a reading sound. Thereby, individual identification information can be acquired using the voice recognition means of the portable terminal 2.

Note that the portable terminal 2 can execute the processing of the channel distribution method of the present invention by storing the channel distribution program in the portable terminal 2.

2 ... Mobile terminal (information processing device)
3. AV receiver (content output device)
10 ... Channel distribution system 11, 12, 13, 14, 15 ... Wireless speaker (acoustic equipment)
22 ... Camera (acquisition part)
23 ... Reception unit 25 ... RAM
26 ... ROM
28 ... Display (display part)
36 ... Allocation unit 45 ... RAM
46 ... ROM (second storage unit)
241 ... Transmitter 442 ... Receiver

Claims (11)

An acquisition unit for acquiring individual identification information unique to the acoustic device;
A receiving unit that receives channel setting information to be assigned to the acoustic device from a user;
A transmission unit that transmits the individual identification information and the channel setting information to a content output device that outputs content including a plurality of channels;
An information processing apparatus comprising: An indexing unit for determining a physical address unique to the acoustic device from the individual identification information acquired by the acquiring unit;
The information processing apparatus according to claim 1, wherein the transmission unit transmits the physical address as the individual identification information. The information processing apparatus according to claim 1 or 2, further comprising a first storage unit that holds the individual identification information and the channel setting information. The information processing apparatus according to any one of claims 1 to 3, further comprising a display unit that displays the channel setting information in correspondence with the acoustic device. The reception unit receives an instruction to retransmit from the user,
The information processing apparatus according to claim 1, wherein the transmission unit retransmits the individual identification information and the channel setting information to the content output apparatus. The reception unit receives second channel setting information from the user,
The display unit displays the channel setting information changed to the second channel setting information,
The information processing apparatus according to claim 4, wherein the transmission unit transmits the individual identification information and the second channel setting information. The information processing apparatus according to any one of claims 1 to 6, wherein the acoustic device is a speaker that outputs a sound related to the content, and includes a receiving unit that receives the content via wireless communication. The acoustic device includes a second storage unit,
The second storage unit holds the channel setting information,
The acquisition unit acquires the channel setting information held in the second storage unit,
The information processing apparatus according to claim 4, wherein the display unit displays the channel setting information acquired by the acquisition unit. An information processing apparatus according to any one of claims 1 to 8,
A content output device having an assigning unit that assigns a channel to the audio device based on the channel setting information and the individual identification information transmitted from the information processing device;
With a channel distribution system. Obtain individual identification information unique to the audio equipment,
Receiving channel setting information to be assigned to the audio equipment from the user;
The individual identification information and the channel setting information are transmitted to a content output device that outputs content including a plurality of channels,
Based on the channel setting information and the individual identification information, assign a channel for the acoustic device,
A channel distribution method for transmitting at least one channel of the content to the audio equipment. Obtain individual identification information unique to the audio equipment,
Receiving channel setting information to be assigned to the audio equipment from the user;
The individual identification information and the channel setting information are transmitted to a content output device that outputs content including a plurality of channels,
Based on the channel setting information and the individual identification information, assign a channel for the acoustic device,
A channel distribution program for causing an information processing apparatus to execute processing for transmitting at least one channel of the content to the acoustic device.

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