JP2022066944A - Information processing device, computer program, and information processing system - Google Patents

Abstract

To provide a technology for enhancing the quality of user experience of viewing distributed content.SOLUTION: A user device 12 acquires data of a plurality of contents distributed from a moving image distribution server 16. The user device 12 displays one content of the plurality of contents on a main screen having a relatively large size, and displays the other contents on a sub screen having a relatively small size. The user device 12 switches sound outputted from a speaker from sound of the content displayed on the main screen to sound of the contents displayed on the sub screen according to user's operation.SELECTED DRAWING: Figure 1

Description

The present disclosure relates to data processing techniques, and more particularly to information processing devices, computer programs and information processing systems related to viewing content.

With the spread of broadband communication, various video distribution services are provided (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2020-162881

Not only the image of the content but also the sound of the content is important as a factor that determines the quality of the user experience of viewing the content. The present inventor considers that there is room for devising in order to improve the quality of the user experience with respect to the audio provided to the user who simultaneously views a plurality of delivered contents.

The present disclosure has been made in view of these issues, and one object is to provide a technique for improving the quality of the user experience of viewing the delivered content.

In order to solve the above-mentioned problems, the information processing apparatus of a certain aspect of the present disclosure has a relatively size of an acquisition unit that acquires data of a plurality of contents distributed from a server and one of the plurality of contents. Is displayed on the main screen with a large size, other contents are displayed on the sub screen with a relatively small size, and the content displayed on the main screen up to that point is displayed on the sub screen according to the user's operation. At the same time, the display control unit that changes the content displayed on the sub screen to be displayed on the main screen, and the sound output from the speaker according to the user's operation, from the sound of the content displayed on the main screen. It is equipped with an audio output control unit that switches to the audio of the content displayed on the sub screen.

Another aspect of the present disclosure is an information processing system. This information processing system is a broadcasting device that distributes content data via a broadcasting network, a server that distributes content data including images of performers of the content via the Internet, and distribution from the server. It is provided with a terminal of a viewer for displaying an image of a performer of the performed content and a terminal of a performer for presenting information to the performer. When the viewer's comment is input, the viewer's terminal transmits the comment data, and the performer's terminal displays the comment transmitted from the viewer's terminal.

It should be noted that any combination of the above components and the expression of the present disclosure converted between a system, a method, a computer program, a recording medium on which a computer program is readablely recorded, and the like are also effective as aspects of the present disclosure. Is.

According to the technique of the present disclosure, it is possible to improve the quality of the user experience of viewing the delivered content.

It is a figure which shows the structure of the communication system of an Example. It is a block diagram which shows the functional block of the user apparatus of FIG. It is a figure which shows the example of the App screen. It is a figure which shows the example of the App screen. It is a figure which shows the example of the App screen. It is a figure which shows the example of the transition of the App screen. It is a figure which shows the example of the App screen.

The server of the communication system of the embodiment provides a plurality of live contents (electronic contents) related to the same event (for example, a baseball game between the A team and the B team) to the viewer's terminal. The live content of the embodiment is moving image data showing an ongoing object, including video data and audio data. The viewer's terminal displays one of the plurality of live contents on a large main screen and the other live contents on a small sub-screen. The viewer's terminal is configured to be able to switch the sound output from the speaker between the sound of the live content displayed on the main screen and the sound of the live content displayed on the sub screen.

In addition, at least one live content to be distributed is distributed via the Internet and publicly broadcast via a broadcasting network. The communication system of the embodiment is configured so that the comment input by the viewer to the terminal of the viewer is displayed on the terminal of the performer of the live content. As a result, interactive communication between the performers and viewers of live content for public broadcasting can be realized, and the quality of the user experience of viewing live content can be improved.

FIG. 1 shows the configuration of the communication system 10 of the embodiment. The communication system 10 is an information processing system that distributes a plurality of live contents to viewers. The communication system 10 includes a user device 12a, a user device 12b, a user device 12c, a user device 12d (collectively referred to as "user device 12"), a camera device 14a, a camera device 14b, a camera device 14c, and a camera device 14d. (Generally referred to as "camera device 14"), a moving image distribution server 16, a microphone 20, a performer terminal 22, a broadcasting device 24, and a radio device 28 are provided.

The plurality of user devices 12 are information processing devices operated by a plurality of viewers (hereinafter, also referred to as "users") who view the live content distributed from the video distribution server 16. Each user device 12 causes a display unit (liquid crystal display or the like) to display a plurality of live contents distributed from the video distribution server 16. Each user device 12 may be, for example, a PC, a smartphone, or a tablet terminal.

Each of the plurality of camera devices 14 captures a plurality of different live contents relating to the same event. For example, the camera device 14a captures an ongoing baseball game in the form of a normal baseball broadcast. The camera device 14b captures an image of a performer (studio) of a radio program that provides live commentary or commentary on the baseball game. The camera device 14c captures an image of a cheering party supporting the baseball game. The camera device 14d is arranged in the audience seats (for example, VIP seats) of the stadium where the baseball game is played, and images the baseball game from the audience seats. Each camera device 14 includes a microphone function. At least a part of the camera devices 14 among the plurality of camera devices 14 may be spherical cameras (in other words, 360 ° cameras).

The video distribution server 16 is an information processing device that distributes data of a plurality of live contents output from a plurality of camera devices 14 to the user device 12 via the Internet 18 in response to a request from the user device 12. In an embodiment, the video distribution server 16 uses HTTP live streaming, which is an HTTP-based media streaming protocol, to stream and transmit data of a plurality of live contents in parallel.

The video distribution server 16 of the embodiment simultaneously distributes data of four live contents. The data of the four live contents shall include the following contents. (1) Video and audio of an ongoing baseball game. (2) Video and audio of the performers (studios) of the radio program that provides live commentary or commentary on the baseball game. (3) Video and audio of the cheering party supporting the baseball game. (4) Video and audio acquired at the audience seats of the stadium where the baseball game is being played.

In addition to the camera device 14b, a microphone 20 and a performer terminal 22 are installed in a studio where a radio program that explains or explains a baseball game is produced. The microphone 20 acquires the sound of a radio program (the sound of the performers of the program, which can be said to be the sound of the studio) of the live or commentary of the baseball game. The broadcasting device 24 is a device that distributes content data via the broadcasting network 26. In the embodiment, the broadcasting device 24 publicly transmits the sound of the radio program acquired by the microphone 20 via the broadcasting network 26 (radio broadcasting network). The radio device 28 reproduces and outputs the sound of the radio program transmitted from the broadcasting device 24.

The performer terminal 22 is an information terminal that presents information to the performers of the radio program. The performer terminal 22 may be a PC, a smartphone, or a tablet terminal. The performer terminal 22 includes a display unit (liquid crystal display or the like). The performer terminal 22 causes the display unit to display the user's comment transmitted from the user device 12.

FIG. 2 is a block diagram showing a functional block of the user apparatus 12 of FIG. The plurality of functional blocks shown in the block diagram of the present specification can be configured by a circuit block, a memory, and other LSIs in terms of hardware, and in terms of software, the CPU executes a program loaded in the memory. It is realized by doing. Therefore, it is understood by those skilled in the art that these functional blocks can be realized in various forms by hardware only, software only, or a combination thereof, and the present invention is not limited to any of them.

The user device 12 includes a control unit 30, a communication unit 32, a display unit 34, a speaker 36, and a storage unit 41. The control unit 30 executes various data processing related to viewing the content. The communication unit 32 communicates with the external device according to a predetermined communication protocol. The control unit 30 transmits / receives data to / from the video distribution server 16 via the communication unit 32.

The display unit 34 displays image information (for example, a video of live content). The display unit 34 is, for example, a liquid crystal display. The speaker 36 outputs audio information (for example, audio of live content). The storage unit 41 is data acquired by the content acquisition unit 40 described later, and stores data (video data and audio data) of a plurality of live contents provided from the video distribution server 16.

The control unit 30 includes an operation acquisition unit 38, a content acquisition unit 40, a display control unit 42, a voice output control unit 44, a comment transmission unit 46, and a heart transmission unit 48. A computer program (hereinafter, also referred to as “video viewing application”) in which modules corresponding to these plurality of functional blocks are mounted may be downloaded from a predetermined server via a network and installed in the storage of the user apparatus 12. .. Further, the moving image viewing application may be stored in a computer-readable recording medium, or may be installed in the storage of the user apparatus 12 via the recording medium. The CPU of the user apparatus 12 may exhibit the functions of the plurality of functional blocks by reading the moving image viewing application into the main memory and executing the application.

The operation acquisition unit 38 detects an operation input by the user for the video viewing application. The content acquisition unit 40 requests the video distribution server 16 to provide live content according to the user's operation. The content acquisition unit 40 acquires data (video data and audio data) of a plurality of live contents distributed from the video distribution server 16. The content acquisition unit 40 stores data of a plurality of live contents distributed from the video distribution server 16 in the storage unit 41.

The display control unit 42 causes the display unit 34 to display the screen of the video viewing application (hereinafter, also referred to as “App screen”), and controls the display of the live content on the application screen. The display control unit 42 reads out the video data of the plurality of live contents stored in the storage unit 41, and causes the display unit 34 to display the video of the plurality of live contents in parallel.

The display control unit 42 displays the video of one live content among the plurality of live contents on the main screen having a relatively large size. At the same time, the display control unit 42 causes the video of the other live contents that are not displayed on the main screen among the plurality of live contents to be displayed on the sub screen having a relatively small size. The main screen can be said to be a video display area that occupies a relatively large area in the application screen, and the sub screen can be said to be a video display area that occupies a relatively small area in the application screen.

Further, the display control unit 42 changes the live content displayed on the main screen until the operation input to be displayed on the sub screen according to the operation of the user. At the same time, the display control unit 42 changes the live content displayed on the sub screen until the operation input to be displayed on the main screen.

The audio output control unit 44 reads out the audio data of one live content among the audio data of the plurality of live contents stored in the storage unit 41, and outputs the audio of the live content from the speaker 36. The audio output control unit 44 switches the audio output from the speaker 36 from the audio of the live content displayed on the main screen to the audio of the live content displayed on the sub screen in response to the user's operation.

FIG. 3 shows an example of the Application screen 50 (App screen 50a). The App screen 50a includes a main screen 52, a sub screen 54, a sub screen 56, and a sub screen 58. On the main screen 52, a live video of an ongoing baseball game is displayed. On the sub screen 54, a video of a performer (studio) of a radio program that provides a live commentary or a commentary on the baseball game is displayed. On the sub screen 56, an image of a cheering party supporting the baseball game is displayed. On the sub screen 58, an image acquired at the audience seat of the stadium where the baseball game is played is displayed.

The display control unit 42 uses a comment area of the main screen 52 to input a comment input by a user who owns one user device 12 (own device) and a comment input by a user who owns another user device 12 (other device). Display at 60. The display control unit 42 displays the comment input area 62, the send button 64, the heart button 66, the voice button 68, and the enlargement button 70. The display control unit 42 displays the switching button 72 on each of the sub screen 54, the sub screen 56, and the sub screen 58.

The comment input area 62 is a text area in which a comment character string is input by the user. When the selection operation (pressing, etc.) for the transmission button 64 is input, the comment transmission unit 46 transmits the comment character string input in the comment input area 62 to the video distribution server 16. The video distribution server 16 transmits the comment data transmitted from one user device 12 to the other user device 12 and the performer terminal 22. The display control unit 42 displays the comment transmitted from the video distribution server 16 in the comment area 60 of the main screen 52.

When a selection operation (pressing, etc.) for the heart button 66 is input, the heart transmission unit 48 transmits that the heart button 66 has been selected to the video distribution server 16. The video distribution server 16 stores the total number of heart buttons 66 selected by a plurality of users (referred to as “total number of hearts”). When the video distribution server 16 is notified by a certain user device 12 that the heart button 66 has been selected, the video distribution server 16 notifies the plurality of user devices 12 and the performer terminal 22 that the heart button 66 has been selected and the total number of hearts. Notice. When the video distribution server 16 notifies that the heart button 66 has been selected, the display control unit 42 displays the heart mark 67 on the main screen 52. Further, the display control unit 42 displays the total number of hearts notified from the video distribution server 16 on the main screen 52. Similarly, the performer terminal 22 also displays the heart mark 67 and the total number of hearts on the display unit.

When a selection operation (pressing, etc.) for the switching button 72 of any of the sub screen 54, the sub screen 56, and the sub screen 58 is input, the display control unit 42 displays the sub screen (here) in which the selected switching button 72 is arranged. Then, the App screen 50 is changed so that the image of the live content displayed on the "specific sub screen" is displayed on the main screen 52. At the same time, the display control unit 42 changes the application screen 50 so that the image of the live content previously displayed on the main screen 52 is displayed on the specific sub screen.

FIG. 4 also shows an example of the Application screen 50 (App screen 50b). The application screen 50b in the figure is an application screen displayed when the switching button 72 of the sub screen 54 in the application screen 50a in FIG. 3 is selected. On the main screen 52 of the application screen 50b, a video of a performer (studio) of a radio program that provides a live commentary or a commentary on an ongoing baseball game is displayed. Further, on the sub screen 54 of the App screen 50b, a relay video of the baseball game is displayed. That is, in FIGS. 3 and 4, the display contents are interchanged between the main screen 52 and the sub screen 54. According to the video viewing application of the embodiment (user device 12 in which the video viewing application is installed), the user can arbitrarily select the live content to be displayed on the main screen and the sub screen, and improve the quality of the user experience of live content viewing. Can be done.

When a selection operation (pressing, etc.) for the enlargement button 70 provided on the main screen 52 of the application screen 50 is input, the display control unit 42 displays an image of the live content displayed on the main screen 52 before the input of the operation. Is changed to be displayed on the entire App screen 50 (that is, the full screen). At the same time, the display control unit 42 hides the images of the plurality of live contents displayed on the plurality of sub screens before the input of the operation. FIG. 5 also shows an example of the Application screen 50 (App screen 50c). The application screen 50c in the figure shows an application screen displayed when the enlargement button 70 of the main screen 52 in the application screen 50a of FIG. 3 is selected.

When displaying one live content in full screen, the display control unit 42 displays the reduction button 74 in the display area of the live content. When a selection operation (pressing, etc.) for the reduction button 74 is input, the display control unit 42 displays the live content displayed in full screen on the main screen 52, and displays other hidden live content on the sub screen. Return to the displayed App screen 50. For example, when the reduction button 74 is selected on the application screen 50c of FIG. 5, the display control unit 42 returns to the display of the application screen 50a of FIG.

FIG. 6 shows an example of the transition of the App screen 50. When the switching button 72 of the sub screen 54 is selected on the application screen 50a of FIG. 3, the transition to the application screen 50b of FIG. 4 is performed. When the switching button 72 of the sub screen 54 is selected on the application screen 50b of FIG. 4, the transition to the application screen 50a of FIG. 3 is performed. When the enlargement button 70 of the main screen 52 is selected on the application screen 50a of FIG. 3, the transition to the application screen 50c of FIG. 5 is performed. When the reduction button 74 is selected on the application screen 50c of FIG. 5, the transition to the application screen 50a of FIG. 3 is performed.

FIG. 7 shows an example of the Application screen 50 (App screen 50a). The audio output control unit 44 causes the speaker 36 to output the audio of the live content displayed on the main screen 52 among the audio of the plurality of live contents displayed on the App screen 50 as the default setting of the video viewing application. When a selection operation (pressing, etc.) for the voice button 68 is input on the main screen 52 of the application screen 50, the display control unit 42 displays an object (voice selection area 76) for allowing the user to select the voice to be output on the main screen. Display on 52. The audio output control unit 44 outputs the audio of the live content selected in the audio selection area 76 from the speaker 36.

The selection candidate "Main" in the audio selection area 76 selects the audio of the live content displayed on the main screen 52. The selection candidate "Sub1" selects the sound of the live content displayed on the sub screen 54. The selection candidate "Sub2" selects the sound of the live content displayed on the sub screen 56. The selection candidate "Sub3" selects the sound of the live content displayed on the sub screen 58.

For example, when "Sub1" is selected in the audio selection area 76 of the App screen 50a of FIG. 7, the audio output control unit 44 outputs the output target audio from the audio of the live content displayed on the main screen 52, which is the default. , Switch to the audio of the live content displayed on the sub screen 54. As described above, according to the video viewing application of the embodiment (user device 12 in which the video viewing application is installed), the audio desired by the user (for example, sub) among the audio of the plurality of live contents simultaneously distributed from the video distribution server 16. The audio of the live content being displayed on the screen) can be output. This can improve the quality of the user experience for viewing live content.

Further, the audio output control unit 44 is outputting the audio of the live content (referred to here as “second content”) displayed on the sub screen, and the live content displayed on the main screen (here, “first content”). When the video of "content") is displayed in full screen, the audio output of the second content, which is hidden along with the full screen display of the first content, is continued. In other words, when the audio output of the second content of the sub screen is selected in advance, the audio output control unit 44 does not reset the audio to be output even if the first content of the main screen is displayed in full screen. Maintain the audio output of the second content.

For example, in the App screen 50a of FIG. 7, it is assumed that the sound of the live content of the sub screen 54 is selected, and then the enlargement button 70 of the main screen 52 is selected. In this case, the application screen 50 transitions to the application screen 50c shown in FIG. On the other hand, as the sound output on the App screen 50c after the transition, the sound of the live content displayed on the sub screen 54 is maintained until before the enlargement button 70 is selected (in other words, before the full screen is displayed). In this way, while the video of the first content desired by the user (for example, the video of a normal baseball broadcast) is displayed in full screen, the audio of the second content desired by the user (for example, the audio of a radio program related to the baseball or cheering) is displayed. By providing the audio of the group, etc.), it is possible to provide a viewing experience that meets the user's wishes.

Next, a configuration for synchronizing the playback timings of a plurality of live contents will be described.
In the communication system 10 of the embodiment, the video and audio of the four live contents are streamed from the video distribution server 16 to the user device 12 via the Internet 18. Therefore, the timing at which the data of each live content (data including video and audio, hereinafter also referred to as “chunk”) reaches the user device 12 may be different. In this case, if the playback is started sequentially from the live content obtained from the chunk, the display of the plurality of live contents on the App screen 50 will be time-shifted.

Therefore, when the data (chunk) of all the live contents to be delivered at the same time is acquired, the display control unit 42 starts displaying the video of the plurality of live contents on the main screen and the sub screen. In other words, the display control unit 42 suppresses the start of displaying the previously acquired live content until the data (chunk) of all the plurality of live contents delivered at the same time is acquired. As a result, it is possible to avoid a time lag in the images of a plurality of live contents that are reproduced and displayed on the Application screen.

Specifically, the storage unit 41 stores the identification information of each of the four live contents distributed from the video distribution server 16, and the display control unit 42 reads and grasps the identification information of each live content from the storage unit 41. do. Further, the chunks of each of the four live contents distributed from the video distribution server 16 include the identification information of the own live contents. The display control unit 42 acquires chunks of all four live contents by collating the identification information contained in the chunks stored in the storage unit 41 with the identification information of each of the four live contents stored in advance. Determine if it is.

Further, each chunk of the four live contents includes time information (which can be said to be information indicating the reproduction timing). When the display control unit 42 determines that the chunks of all four live contents have been acquired, the display control unit 42 refers to the time information included in the chunks of each live content and indicates the same time position (same playback timing) of each live content. The display process starts from the chunk.

When the audio output control unit 44 starts displaying the video of the plurality of live contents on the App screen 50, the audio output control unit 44 is one of the plurality of live contents (the live content displayed on the main screen by default). Starts audio output.

Next, a configuration that realizes interactive communication between the performers and viewers of live content will be described.
As described in connection with FIG. 1, the broadcasting device 24 transmits audio data of a radio program that is live or explains an ongoing baseball game via the broadcasting network 26. On the other hand, the video distribution server 16 distributes the data of the radio program, including the video of the performers of the radio program (live content data), via the Internet 18.

The display control unit 42 of the user device 12 displays the video of the performer of the radio program distributed from the video distribution server 16 on the App screen 50 (for example, the sub screen 54 in FIG. 3). When a user's comment is input to the App screen 50, the comment transmission unit 46 of the user device 12 transmits the comment data to the video distribution server 16. The video distribution server 16 transmits the comment data transmitted from the user device 12 to the performer terminal 22. The performer terminal 22 causes the display unit to display the comment transmitted from the user device 12.

Further, when the heart button 66 is selected on the App screen 50, the heart transmission unit 48 of the user device 12 transmits that to the video distribution server 16. The video distribution server 16 notifies the performer terminal 22 that the heart button 66 has been selected in the user device 12. The performer terminal 22 causes the heart mark 67 to be displayed on the display unit in response to the above notification from the video distribution server 16.

According to this configuration, the reaction of the user who watches the radio program (comment, pressing the heart button 66, etc.) can be fed back to the performer of the radio program using the video viewing app, and the performer of the radio program and the user can interact with each other. Can support communication. For example, a commercial (advertising broadcast) is inserted in a radio program distributed to a radio device 28 via a broadcasting network 26, while a commercial is not inserted in a radio program distributed to a user device 12 via the Internet 18. There is. In this case, the performer of the radio program returns a response to the comment from the user during the commercial in the radio program, so that the performer can communicate with the user of the video viewing application without disturbing the radio program for public broadcasting. realizable.

The present disclosure has been described above based on the examples. It will be appreciated by those skilled in the art that this embodiment is exemplary and that various modifications are possible for each component or combination of processing processes, and that such modifications are also within the scope of the art of the present disclosure. ..

In the above embodiment, the heart mark is adopted as a display indicating the reaction of the user, but the mark is not limited to this. That is, it may be a star mark or a double circle (◎) mark, and any mark can be applied as long as it is a display showing the reaction of the viewer (for example, degree of interest or liking).

The video distribution server 16 of the above embodiment distributes a plurality of live contents related to the same event to the user device 12. As a modification, the moving image distribution server 16 may distribute a plurality of live contents related to different events to the user device 12. Further, the moving image distribution server 16 may distribute electronic contents other than live contents (for example, moving image data including pre-recorded video and pre-recorded audio) to the user device 12. Also in this modification, the technique described in the embodiment can be applied, and the quality of the user experience of viewing the content can be improved.

In the above embodiment, at least one of the plurality of live contents distributed from the video distribution server 16 via the Internet 18 is a radio program transmitted via a radio broadcasting network. As a modification, at least one of the plurality of live contents distributed from the moving image distribution server 16 via the Internet 18 may be a television program transmitted via a television broadcasting network. Also in this modification, the technique described in the embodiment can be applied, and interactive communication between the performer and the viewer of the television program for public broadcasting can be realized.

Any combination of the examples and modifications described above is also useful as an embodiment of the present disclosure. The new embodiments resulting from the combination have the effects of each of the combined examples and variants. It is also understood by those skilled in the art that the functions to be fulfilled by each of the constituent elements described in the claims are realized by a single component or a cooperation thereof shown in the examples and modifications.

10 communication system, 12 user device, 14 camera device, 16 video distribution server, 22 performer terminal, 24 broadcasting device, 40 content acquisition unit, 42 display control unit, 44 audio output control unit.

Claims (5)

An acquisition unit that acquires data of multiple contents delivered from the server,
One of the plurality of contents is displayed on the main screen having a relatively large size, and the other contents are displayed on a sub screen having a relatively small size. A display control unit that changes the content displayed on the main screen to be displayed on the sub screen and changes the content displayed on the sub screen to be displayed on the main screen.
An audio output control unit that switches the audio output from the speaker from the audio of the content displayed on the main screen to the audio of the content displayed on the sub screen according to the user's operation.
Information processing device equipped with. The display control unit is changed so that the first content displayed on the main screen is displayed on the full screen according to the operation of the user.
The audio output control unit hides the first content displayed on the main screen when the first content displayed on the main screen is displayed in full screen while the audio of the second content displayed on the sub screen is being output. 2 Continue to output the audio of the content,
The information processing apparatus according to claim 1. The display control unit starts displaying the plurality of contents on the main screen and the sub screen when the data of all the plurality of contents is acquired.
The information processing apparatus according to claim 1 or 2. A function to acquire data of multiple contents delivered from the server, and
One of the plurality of contents is displayed on the main screen having a relatively large size, and the other contents are displayed on a sub screen having a relatively small size. A function to change the content displayed on the main screen to be displayed on the sub screen, and to change the content displayed on the sub screen to be displayed on the main screen.
A function to switch the sound output from the speaker from the sound of the content displayed on the main screen to the sound of the content displayed on the sub screen according to the user's operation.
A computer program to realize the above in a computer. Broadcasting equipment that distributes content data via the broadcasting network,
A server that distributes data of the content including images of performers of the content via the Internet, and
A viewer's terminal that displays the video of the performer of the content delivered from the server, and
The terminal of the performer who presents information to the performer,
Equipped with
When the viewer's comment is input, the viewer's terminal transmits the comment data, and the viewer's terminal transmits the comment data.
The performer's terminal displays a comment transmitted from the viewer's terminal.
Information processing system.

Images