JP2010232716A - Video content receiver, comment exchange system, method for generating comment data, and program - Google Patents

Video content receiver, comment exchange system, method for generating comment data, and program Download PDF

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JP2010232716A
JP2010232716A JP2009074886A JP2009074886A JP2010232716A JP 2010232716 A JP2010232716 A JP 2010232716A JP 2009074886 A JP2009074886 A JP 2009074886A JP 2009074886 A JP2009074886 A JP 2009074886A JP 2010232716 A JP2010232716 A JP 2010232716A
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comment
video content
audio
video
input
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JP2009074886A
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Japanese (ja)
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Shoji Yanaida
尚司 谷内田
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Nec Corp
日本電気株式会社
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a comment exchange system enabling users who are distant from each other in time and space to freely participate in communication including the same content as a subject matter and to perform communication without being conscious of being distant in time and space. <P>SOLUTION: Upon receiving a comment input by a user during video content reproduction, the video content receiver uses time information separated from the video content to encode the voice comment input by the user, and generates comment data including the time information. The generated comment data is distributed to a content receiver of an opposite party in communication via a comment server for distributing the comment data associated with the video content. In reproducing the same video content, the audio comment is reproduced at the same timing by using the comment data. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a video content receiving apparatus, a comment exchanging system, a comment data generating method, and a program, and in particular, a video content receiving apparatus, a comment exchanging system, and a comment that can reproduce a comment issued from a video content viewer. The present invention relates to a data generation method and a program.

  Patent Documents 1 and 2 disclose an information processing apparatus having a function of exchanging audio and video with a partner while viewing the same content between users at remote locations. Patent Document 1 relates to a technique for setting control parameters for controlling the synthesis of audio and video by the synthesizing means in accordance with the content being viewed, and Patent Document 2 is a technique for realizing viewing reservation between users. .

  Further, in Patent Document 3, when an input of comment content is received from a user who shares the same video, the video playback time at the time when the comment content is input is used as comment comment time and comment information as comment information. There is disclosed a comment distribution system that registers and reads out and displays a comment corresponding to a video playback time among comment information received from a comment distribution server by a terminal device.

JP 2007-274227 A JP 2006-041886 A JP 2008-172745 A

  However, in the systems described in Patent Documents 1 and 2, as described in Patent Document 2, the necessity of reservation is explained, unless the participant decides a schedule in advance and the other party is watching the same content in real time. There is a problem that communication is not established. For example, it is impossible for a member who could not participate to hear the content of the conversation or to participate in a comment later.

  In addition, the technique described in Patent Document 3 has a problem in that it is not possible to obtain a sense of viewing content simultaneously between users because the comment addition time is the time when comment content is input by text input. is there. For example, it is not possible to directly convey a moving verb issued by a user who has seen a certain scene, and an exchange on an Internet bulletin board in which a comment is added after one beat.

  The present invention has been made in view of the above circumstances, and the purpose of the present invention is to allow users who are separated in time and space to participate freely in communication on the same content, It is an object of the present invention to provide a video content receiving apparatus, a comment exchange system, a comment data generation method, and a program capable of communicating without being aware of being separated in time and space.

  According to the first aspect of the present invention, an audio comment input from the user using an input unit that receives an input of an audio comment from the user and time information separated from the video content during playback of the video content. And an audio encoding unit that generates comment data including time information, and the encoded comment data is sent to a comment server that distributes comment data associated with the video content. A video content receiving device for transmission is provided.

  According to a second aspect of the present invention, the video content receiving device described above, a content server that distributes video content to the video content receiving device, and the content server operate in cooperation with each other. There is provided a comment exchanging system including a comment server that transmits received comment data to another video content receiving apparatus.

  According to a third aspect of the present invention, the step of accepting an input of an audio comment from a user during playback of video content, and an audio comment input from the user by using time information separated from the video content. Encoding and generating comment data including time information; and transmitting the encoded comment data to a comment server that distributes comment data associated with the video content. A method for generating comment data is provided.

  According to the fourth aspect of the present invention, a voice comment input from the user is processed by using a process of accepting an input of a voice comment from the user during reproduction of the video content and time information separated from the video content. A process of generating comment data including time information by encoding and a process of transmitting the encoded comment data to a comment server that distributes comment data associated with the video content A program to be executed is provided.

  According to the present invention, communication can be achieved while viewing the same content without being conscious of the fact that a plurality of users are separated in time and space.

It is a figure showing the structure of the 1st Embodiment of this invention. It is a block diagram showing the detailed structure of STB (video content receiver) of the 1st Embodiment of this invention. It is a flowchart for demonstrating operation | movement of STB (video content receiver) of the 1st Embodiment of this invention. It is a sequence diagram showing the schematic operation | movement of the 1st Embodiment of this invention. It is a figure showing the structure of the 2nd Embodiment of this invention. It is a block diagram showing the detailed structure of STB (video content receiver) with a video recording function of the 2nd Embodiment of this invention. It is a sequence diagram showing the schematic operation | movement of the 2nd Embodiment of this invention.

  First, an outline of the present invention will be described with reference to the drawings, taking an example of applying the present invention to an STB (set top box). The STB (4 in FIG. 1) used by the first and second users receives video content from the content server (1 in FIG. 1) via the network (2 in FIG. 1) and is connected to the viewing terminal. (5 in FIG. 1) video content can be reproduced.

  The STB (4 in FIG. 1) used by the first and second users is comment data associated with the video content from the comment server (3 in FIG. 1) via the network (2 in FIG. 1). Can be received and played back.

  In the above configuration, when the STB (4 in FIG. 1) used by the first user receives an input of a voice comment from the voice input device (49 in FIG. 1), the STB (4 in FIG. 1) Using the time information separated from the content, a voice comment input from the user is encoded to generate comment data including the time information.

  The STB (4 in FIG. 1) transmits the encoded comment data to the comment server (3 in FIG. 1).

  Thereafter, when the second user makes a video content distribution request to the content server (1 in FIG. 1), the comment server (3 in FIG. 1) operating in cooperation with the content server (1 in FIG. 1) The content server (1 in FIG. 1) transmits the comment data received from the first user to the video content for which the distribution request has been received, to the user's STB (4 in FIG. 1).

  Here, the comment data transmitted from the comment server (3 in FIG. 1) to the STB (4 in FIG. 1) is encoded using time information separated from the video content viewed by the first user. Therefore, in the viewing terminal (5 in FIG. 1) connected to the second user's STB (4 in FIG. 1), the audio uttered by the first user viewing the video content is reproduced together with the video content. Is done. Furthermore, the second user can also register a comment in the comment server (3 in FIG. 1). For example, the second user can make a response to the comment of the first user, or can send his / her own comment to the third user separately from the first user.

[First Embodiment]
Next, a first embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a diagram showing the configuration of a comment exchange system according to the first embodiment of the present invention. Referring to FIG. 1, a configuration is shown in which a content server 1, a comment server 3, and a user STB 4 are connected via a network 2 such as an IP (Internet Protocol) network.

  The content server 1 is a server that provides a video service such as a VOD (Video On Demand) service that distributes video content for which a distribution request has been received from the STB 4.

  The comment server 3 is a server that accumulates comment data with time information received from a user who has viewed video content in association with the video content, and transmits the comment data to the STB 4 of other users.

  In this embodiment, the comment server 3 transmits a comment to the STB 4 based on the selection of the user of the STB 4 that has requested distribution of video content. For example, when receiving a video content distribution request from the second user, the STB 4 confirms the comment accumulation status of the comment server 3 and accepts execution of a specific function on the widget (Widget; screen). The second user is notified that there is a comment left by another user (for example, the first user) using a simple application program. In this case, if there is an instruction from the second user to reproduce a comment from another user together with the video content, the comment server 3 receiving the instruction from the STB 4 Deliver data.

  The STB 4 functions as a video content receiving device that decodes the video content received from the content server 1 and outputs video / audio at the viewing terminal 5. In addition, a voice input device 49 such as a sound collector (microphone) is connected to the STB 4 so that a voice comment from the user can be input.

  The STB 4 encodes the input voice comment with the same time information as the time information of the video content being played back. For example, when the video content to be distributed is MPEG (Moving Picture Experts Group) -2 TS (transport stream), the MPEG-2 TS audio stream or video stream PTS (Presentation Time Stamp; display time information) Is added as time information, and comment data that can be synchronized with the video can be generated.

  Furthermore, the STB 4 outputs the comment data to the viewing terminal 5 at a timing that coincides with the DTS (Decoding Time Stamp) of the video content based on the time information attached to the comment data received from the comment server 3. . As a result, the user (for example, the second user) can listen to the comment on the video content at the timing when the comment data creator (speaker) speaks.

  The viewing terminal 5 is a device such as a television (TV) or a personal computer (PC) that can output video and audio.

  Next, a description will be given of a mechanism by which an audio comment issued by a viewer of video content can be reproduced using comment data created by the video content receiving apparatus of the present invention. FIG. 2 is a block diagram showing a detailed configuration of the STB 4 functioning as the video content receiving apparatus.

  Referring to FIG. 2, a communication I / F (interface) unit 40, a stream separation unit 41, a video decoding unit 42, a clock control unit 43, an audio decoding unit 44, an audio encoding unit 45, The STB 4 including the CPU 46 is shown.

  A CPU (Central Processing Unit) 46 controls each unit of the STB 4, accepts selection of a program desired to be viewed and a comment input / output request from the user, and communicates with the content server 1 and the comment server 3.

  Data S400 of various services is input to the communication I / F unit 40 through the network 2. The communication I / F unit 40 inputs the content stream S401 of the data S400 of various services to the stream separation unit 41. When the comment data is received from the comment server 3, the communication I / F unit 40 inputs the comment output data S 412 to the audio decoding unit 44.

  The stream separation unit 41 analyzes the header information of the content stream S401, separates clock information (PCR; program clock reference) S403, and inputs it to the clock control unit 43. Further, the stream separation unit 41 converts the video stream (video ES (Elementary Stream)) S402 and the audio stream (audio ES (Elementary Stream)) S404 based on the header information of the content stream S401, respectively, The data is output to the audio decoding unit 44.

  The clock control unit 43 supplies the video clock signal S406 to the video decoding unit 42 using the clock information S403 input from the stream separation unit 41. Similarly, the clock control unit 43 supplies the audio clock signal S407 to the audio decoding unit 44 and the audio encoding unit 45.

  The video decoding unit 42 decodes the video stream S402 input from the stream separation unit 41 using the video clock signal S406 supplied from the clock control unit 43, and outputs a video data output signal S405.

  The audio decoding unit 44 decodes the audio stream S404 input from the stream separation unit 41 using the audio clock signal S407 supplied from the clock control unit 43, and outputs an audio data output signal S408.

  The audio encoding unit 45 encodes the audio input signal S410 input from the audio input device 49 and outputs comment input data S411. The output comment input data S411 is sent to the comment server 3 via the communication I / F unit 40. At this time, the audio encoding unit 45 performs encoding according to the currently received audio stream information S409 input from the audio decoding unit 44. The audio stream information S409 is the encoding method information of the audio stream S404 decoded by the audio decoding unit 44, the encoding rate, PTS (Presentation Time Stamp), and the like.

  The encoding process in the audio encoding unit 45 is continued while the audio input signal S410 is input from the audio input device 49. Therefore, it is desirable that the STB 4 is equipped with an echo canceller for preventing the audio output from the speaker or the like of the viewing terminal 5 from being captured. Thereby, it becomes possible to input the input voice comment with higher accuracy.

  When receiving an instruction to output a comment from another user together with the video content from the user of the STB 4, the audio decoding unit 44 receives the comment output data S412 input from the communication I / F unit 40. The audio stream S404 is decoded simultaneously with the audio stream S404, and an audio data output signal S408 on which comments from other users are superimposed is output.

  As described above, the comment output data S412 encoded by the audio encoding unit 45 of the other STB 4 is encoded by the same encoding method as the audio stream S404, and the user of the other STB 4 issues a comment. Since the same time information (time stamp) as the time on the audio stream S404 is attached, synchronous output is possible.

  Next, a flow in which the CPU 46 controls each unit of the STB 4 by the program executed by the CPU 46 of the STB 4 will be described with reference to the flowchart of FIG.

  First, an RTP (Real Time Transmission Protocol) / UDP (User Datagram Protocol) packet header (input packet header) is analyzed from the input IP packet (step F101).

  As a result of the analysis, if it is determined that the input packet is a packet of a video stream selected by the user (YES in step F102), then whether the packet data is a content stream packet or a comment packet It is determined whether there is any (step F103). When it is determined that the input IP packet is not a packet of the video stream selected by the user (NO in step F102), the packet is discarded and the next packet data is acquired.

  When it is determined that the input packet is a content stream packet (“content” in step F103), TS (transport stream) header analysis is performed, and video packet, audio packet, time information such as PCR, , Packet identifiers (PID) are obtained (step F104). On the other hand, when it is determined that the input packet is a comment packet (“comment” in step F103), an audio decoding (audio decoding) process is performed (step F108).

  Based on the acquired PID, a PCR packet, a video packet, and an audio packet are discriminated (step F105), and the processes of steps F106, F107, and F108 are performed.

  If the input packet is a PCR packet (“PCR” in step F105), a reference clock generation process is performed based on the PCR (step F106).

  When the input packet is a video packet (“video” in step F105), video decoding (video decoding) processing for decoding video data and outputting a video signal is performed (step F107).

  If the input packet is an audio packet (“audio” in step F105), the comment data determined in step F103 or the audio data determined in step F105 is decoded, and audio decoding is performed to output an audio signal ( An audio decoding process is performed (step F108).

  In addition, when a voice comment is input from the outside (voice input device) during the content and comment playback processing, the audio encoding method acquired from the audio stream, PTS (Presentation Time Stamp; display time information), and PCR The input voice comment is encoded (encoded) in accordance with the encoding rate defined in (Step F109) and transmitted to the comment server 3.

  FIG. 4 is a sequence diagram showing a schematic operation of the first exemplary embodiment of the present invention. According to the present embodiment, when a first user who is viewing video content utters a comment, comment data to which time stamp information of the video content output at that time (time A) is added is generated. It is transmitted to the comment server 3 (S103 in FIG. 4). In the STB 4 of the second user who views the video content, at the timing (time A) when the first user intends (speaks) based on the time stamp information added to the comment data transmitted from the comment server 3. 1 user's comment is output.

  Further, when the second user who is viewing the recorded video content makes a comment, comment data to which the time stamp information of the video content output at that time (time B) is added is generated and is sent to the comment server 3. It is transmitted (S108 in FIG. 4). This comment data is provided to other users who view the recorded video content (including the first user who re-views the same video content).

  That is, according to the present embodiment, it is possible to communicate with the reproduced comment portion while asynchronously viewing the same video content among a plurality of users separated temporally and / or spatially.

[Second Embodiment]
Next, a second embodiment in which the present invention is applied to a comment exchanging system that realizes exchanging comments of users who view video content broadcast by radio broadcast waves will be described in detail with reference to the drawings. FIG. 5 is a diagram showing the configuration of the comment exchange system according to the second embodiment of the present invention. The first difference from the first embodiment is that the content server 1 is replaced with the broadcasting equipment 8 of the broadcaster, and a receiving antenna 9 for receiving the video content broadcast to each STB 7 is provided. is there.

  In addition, the present embodiment is different from the first embodiment in that the STB 7 with a recording function that functions as a content receiving apparatus is provided with a recording function for recording the broadcast video content.

  In this embodiment, comments are exchanged between users who have recorded broadcast video content. In the following description, it is assumed that the first and second users have recorded the same broadcast content.

  The comment server 3 is a server that accumulates comment data with time information received from a user who has viewed video content in association with the video content, and transmits the comment data to the STB 7 with a recording function of another user. . The comment server 3 receives an inquiry as to whether or not comments on the playback content from the STB 7 with recording function are accumulated, extracts comment data associated with the corresponding video content, and transmits the comment data to the STB 7 with recording function.

  The STB 7 with a recording function functions as a video content receiving device that decodes the video content received and recorded from the broadcasting facility 8 and outputs video / audio at the viewing terminal 5. The STB 7 with recording function is connected to a voice input device 79 such as a sound collector (microphone) so that a voice comment from the user can be input.

  The recording function-attached STB 7 attaches the same time information as the time information of the video content being reproduced, and encodes the input voice comment.

  In this embodiment, when receiving a playback request for recorded video content, the STB 7 with recording function inquires the comment server 3 about the presence or absence of a comment regarding the playback target content.

  Further, the recording function-attached STB 7 outputs the comment data to the viewing terminal 5 at a timing that coincides with the time information of the video content being reproduced based on the time information attached to the comment data received from the comment server 3. As a result, the user (for example, the second user) can listen to the comment on the recorded video content at the timing when the comment data creator (speaker) speaks.

  The viewing terminal 5 is a device such as a television (TV) or a personal computer (PC) that can output video and audio.

  Next, a detailed configuration of the content receiving apparatus according to the present embodiment will be described. FIG. 6 is a block diagram showing a detailed configuration of the STB 7 with a recording function of the present embodiment. The difference from the STB 4 of the first embodiment shown in FIG. 2 is that a tuner unit 77 and a content storage unit 78 are added. In addition, the communication I / F (interface) unit 70, the stream separation unit 71, the video decoding unit 72, the clock control unit 73, the audio decoding unit 74, the audio encoding unit 75, and the CPU 76 are respectively the same as those in the first embodiment. The communication I / F (interface) unit 40 corresponds to the CPU 46.

  The tuner unit 77 selects a channel desired by the user from broadcast waves S713 such as terrestrial digital broadcast and BS digital broadcast, and outputs a content stream S714. At this time, the channel selection may be received by the CPU 76 from a UI (user interface) on the screen of the viewing terminal 5 or a remote control operation, or may be based on preset reservation information.

  The stream separation unit 71 receives the content stream S714 output from the tuner unit 77 or the content stream S715 once recorded in the content storage unit 78 and read.

  The stream separation unit 71 analyzes the header information of the content stream S714 or S715, separates clock information (PCR; program clock reference) S703, and inputs it to the clock control unit 73. In addition, the stream separation unit 71 converts the video stream (video ES (Elementary Stream)) S702 and the audio stream (audio ES (Elementary Stream)) S704 based on the header information of the content streams S714 / S715, respectively. And output to the audio decoding unit 74.

  The clock control unit 73 supplies the video clock signal S706 to the video decoding unit 72 using the clock information S703 input from the stream separation unit 71. Similarly, the clock control unit 73 supplies the audio clock signal S707 to the audio decoding unit 74 and the audio encoding unit 75.

  The video decoding unit 72 uses the video clock signal S706 supplied from the clock control unit 73 to decode the video stream S702 input from the stream separation unit 71 and outputs a video data output signal S705.

  The audio decoding unit 74 uses the audio clock signal S707 supplied from the clock control unit 73 to decode the audio stream S704 input from the stream separation unit 71 and outputs an audio data output signal S708.

  The audio encoding unit 75 encodes the audio input signal S710 input from the audio input device 79, and outputs comment input data S711. The output comment input data S711 is sent to the comment server 3 via the communication I / F unit 70. At this time, the audio encoding unit 75 performs encoding in accordance with the currently received audio stream information S709 input from the audio decoding unit 74. The audio stream information S709 is the content name of the audio stream S704 decoded by the audio decoding unit 74, the encoding method information, the encoding rate, the PTS (Presentation Time Stamp), and the like.

  The encoding process in the audio encoding unit 75 is continued while the audio input signal S710 is input from the audio input device 79. Therefore, it is desirable that the STB 7 with a recording function is equipped with an echo canceller for preventing the audio output from the speaker of the viewing terminal 5 from being captured. Thereby, it becomes possible to input the input voice comment with higher accuracy.

  When the comment data is received from the comment server 3 inquired at the time of the reproduction operation of the recorded video content, the audio decoding unit 74 of the STB 7 with a recording function receives the comment output data input from the communication I / F unit 70. S712 is decoded simultaneously with the audio stream S704, and an audio data output signal S708 on which comments from other users are superimposed is output.

  The program to be executed by the CPU 76 of the STB 7 with a recording function of the present embodiment is the same as that of the first embodiment described above, and therefore the description thereof is omitted (see FIG. 3).

  As described above, the comment output data S712 encoded by the audio encoding unit 75 of the other STB 7 with recording function is encoded by the same encoding method as the audio stream S704 of the same recorded video content, Since the same time information (time stamp) as the time on the audio stream S704 when the user of the other recording function-equipped STB 7 issues a comment, synchronous output is possible.

  FIG. 7 is a sequence diagram showing a schematic operation of the second exemplary embodiment of the present invention. According to this embodiment, when a first user who is viewing recorded video content makes a comment, comment data is generated with time stamp information of the video content output at that time (time A). Is transmitted to the comment server 3 (S202 in FIG. 7). In the STB 7 with a recording function of the second user who views the same recorded video content, the timing at which the first user intends (speaks) based on the time stamp information added to the comment data transmitted from the comment server 3 At (time A), the comment content of the first user is output.

  Further, when the second user who is viewing the recorded video content makes a comment, comment data to which the time stamp information of the video content output at that time (time B) is added is generated and is sent to the comment server 3. It is transmitted (S205 in FIG. 7). This comment data is provided to other users who view the recorded video content (including the first user who re-views the same recorded video content).

  That is, according to the present embodiment, the same recorded video content can be asynchronously viewed among a plurality of users separated temporally and / or spatially, and communication can be performed in the reproduced comment portion. it can.

  As shown in the above embodiment, the present invention can also be applied to comment exchange on the subject of broadcast recorded video content.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and further modifications, substitutions, and adjustments may be made without departing from the basic technical idea of the present invention. Can be added.

  For example, in the above-described embodiment, the STB 4 or the STB 7 with a recording function and the viewing terminal 5 have been described as separate hardware as the content receiving device, but both are realized by integrated hardware. Is also possible. For example, a television (TV) or a personal computer (PC) may operate as a content receiving device and perform the above-described comment transmission / reception / input / output with the comment server 3.

  Further, for example, in the first embodiment described above, the comment server 3 is described as operating in cooperation with the content server 1, but in the first embodiment as well, the STB 4 has a comment as in the second embodiment. The server 3 may be inquired of whether or not there is a comment regarding the video content being distributed, and the comment data may be received from the comment server 3.

1 content server 2 network 3 comment server 4 STB (set top box)
5 Viewing terminal 7 STB with recording function (set top box)
8 Broadcasting Facility 9 Receiving Antenna 40 Communication I / F Unit 41 Stream Separating Unit 42 Video Decoding Unit 43 Clock Control Unit 44 Audio Decoding Unit 45 Audio Coding Unit 46 CPU
49, 79 Audio input device 70 Communication I / F unit 71 Stream separation unit 72 Video decoding unit 73 Clock control unit 74 Audio decoding unit 75 Audio encoding unit 76 CPU
77 Tuner unit 78 Content storage unit S400 Data on IP network S401 Content stream S402 Video stream S403 Clock information S404 Audio stream S405 Video data output signal S406 Video clock signal S407 Audio clock signal S408 Audio data output signal S409 Audio stream information S410 Audio input Signal S411 Comment input data S412 Comment output data S700 Data on IP network S702 Video stream S703 Clock information S704 Audio stream S705 Video data output signal S706 Video clock signal S707 Audio clock signal S708 Audio data output signal S709 Audio stream information S 10 audio input signal S711 comment input data S712 comment output data S713 broadcast wave S714, S715 content stream F101 input packet header analysis processing F102 packet selection determination processing F103 content / comment switching processing F104 stream packet header analysis processing F105 packet separation processing F106 standard Clock setting processing F107 Video decoding (video decoding) processing F108 Audio decoding (audio decoding) processing F109 Audio encoding (audio encoding) processing

Claims (8)

  1. An input unit that receives an input of a voice comment from a user during playback of video content;
    An audio encoding unit that encodes a voice comment input from the user using time information separated from the video content, and generates comment data including the time information;
    A video content receiving apparatus that transmits the encoded comment data to a comment server that distributes comment data associated with the video content.
  2. A stream separation unit for separating clock information, a video stream, and an audio stream from video content,
    A video decoding unit for decoding the separated video stream;
    An audio decoding unit for decoding the separated audio stream or the comment stream added to the video content;
    Based on the separated clock information, a clock control unit that supplies a clock signal to the video decoding unit, the audio decoding unit, and the audio encoding unit, respectively,
    The video content receiving apparatus according to claim 1, wherein a voice comment is received from a user who has viewed the video content, and comment data including a time when the voice comment is input is generated.
  3.   3. The video according to claim 2, wherein the audio encoding unit performs an encoding process in the same format as the audio stream in accordance with an encoding method, an encoding rate, and time information of the audio stream decoded by the audio decoding unit. Content receiving device.
  4. In addition, it has a recording function,
    The audio encoding unit encodes a voice comment input from a user using time information separated from the video content when reproducing the recorded video content, and generates comment data including the time information,
    The video content receiving apparatus according to any one of claims 1 to 3, wherein the encoded comment data is transmitted to a comment server that distributes comment data associated with the recorded video content.
  5. A video content receiving device according to any one of claims 1 to 4,
    A content server for delivering video content to the video content receiving device;
    Others that operate in cooperation with the content server and receive comment data from a video content receiving apparatus that has requested distribution of one video content and request distribution of the same video content as the video content that has received the comment data A comment exchanging system including a comment server that transmits the comment data to a video content receiving apparatus.
  6. A video content receiving device according to any one of claims 1 to 4,
    A comment for receiving comment data designating video content from one video content receiving device and transmitting comment data received for the video content designated from the other video content receiving device to another video content receiving device A comment exchange system including a server.
  7. Receiving a voice comment input from the user during playback of the video content;
    Using the time information separated from the video content, encoding a voice comment input from the user, and generating comment data including the time information;
    Transmitting the encoded comment data to a comment server that distributes comment data associated with the video content.
  8. A process of accepting an input of a voice comment from the user during playback of the video content;
    Using the time information separated from the video content, encoding a voice comment input from the user, and generating comment data including time information;
    A program that causes a computer to execute processing for transmitting the encoded comment data to a comment server that distributes comment data associated with the video content.
JP2009074886A 2009-03-25 2009-03-25 Video content receiver, comment exchange system, method for generating comment data, and program Withdrawn JP2010232716A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017521922A (en) * 2014-06-10 2017-08-03 テンセント テクノロジー (シェンジェン) カンパニー リミテッド Video remote commentary synchronization method and system, and terminal device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017521922A (en) * 2014-06-10 2017-08-03 テンセント テクノロジー (シェンジェン) カンパニー リミテッド Video remote commentary synchronization method and system, and terminal device
US9924205B2 (en) 2014-06-10 2018-03-20 Tencent Technology (Shenzhen) Company Limited Video remote-commentary synchronization method and system, and terminal device

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