JP7178462B2 - COMMENT DISTRIBUTION SYSTEM, TERMINAL DEVICE, COMMENT DISTRIBUTION METHOD, AND PROGRAM - Google Patents

Description

The present invention relates to a system for reproducing moving image content.

[Background technology]
2. Description of the Related Art Conventionally, for example, there are systems that display comments made by users on moving images such as broadcast television programs together with the moving images.

Japanese Unexamined Patent Application Publication No. 2002-290949 JP 2003-111054 A JP-A-8-107552 JP-A-59-105788 JP-A-6-165139 JP-A-2005-92734 JP-A-8-227097 JP-A-2000-140419 JP-A-7-306632 Japanese Unexamined Patent Application Publication No. 2004-15750 Japanese Patent Application Laid-Open No. 2001-170360 JP-A-2001-157782 JP-A-3-97485 JP-A-2003-283981 JP-A-2003-37792 Japanese Patent Application Laid-Open No. 2004-208014 JP-A-2004-193979 JP 2004-297245 A JP-A-9-106294 WO2000/64150 U.S. Patent Publication 2004/0098754A1 Shinichi Kuramori, "Movie Maker that can be used right away", November 30, 2000, Ohmsha, p.64-65 Miyuki Oshige, "Macromedia FLASH ActionScript Samples", April 25, 2001, Sotec Co., pp. 72-77 Miyuki Oshige, "FLASH Action Script Super Sample Collection", Nov. 20, 2006, Sotec Co., pp. 112-119, 148-155 Nobuya Ando, "A Guide to Making Streaming Contents with SMIL", May 3, 2002, AI Publishing, pp. (ii), (iii), 14-26, 58-61, 102-113 Miyuki Oshige, "FLASH Action Script 2.0 Introductory Complete Guide + Practical Sample Collection", November 30, 2005, Sotec, pp. 322-344 Masao Matsumura and Mari Tanaka, "Tell me! FLASH MX2004", May 10, 2004, Mainichi Communications, pp. 136-137, 228-229, 234-235 Gakuri Hayashi, "Streaming Content Design Guide SMIL BOOK", March 26, 2002, Shoeisha, pp. 36-39, 162-171 Koichi Okawara and Junko Kasahara, Final Cut Pro 5 Hyper Handbook, December 15, 2005, Locus, pp. 162-169 Nana Yoshimura, "Web Production Practice Flash MX2004", January 28, 2005, Mainichi Communications, pp. 180-189, 228-235 Daisuke Yamamoto and Tsuyoshi Nagao, "Browser's Annotation to Online Video Content and Its Applications", November 2005, The Japanese Society for Artificial Intelligence, Transactions of the Japanese Society for Artificial Intelligence Vol. 20, 2005.

However, the system in the conventional technology described above simply registers comments in association with the time of moving images (reproduction time of moving images), and reproduces them together with the moving images.

An object of the present invention is to display comments so that they do not overlap even when a large number of comments are input intensively.

The claimed invention is provided.

According to the present invention, even when a large number of comments are input intensively, the comments can be displayed without overlapping.

1 is a conceptual diagram showing the configuration of a comment distribution system according to one embodiment of the present invention; FIG. 2 is a schematic block diagram showing the configuration of a comment distribution server 2; FIG. 4 is a diagram showing an example of data stored in a comment information storage unit 21; FIG. 3 is a schematic block diagram illustrating the configuration of a terminal device 3; FIG. 3 is a diagram showing an example of information displayed on a display device 34; FIG. 3 is a diagram showing an example of information displayed on a display device 34; FIG. 4 is a flowchart for explaining the operation of the comment distribution server 2; 4 is a flowchart for explaining the operation of the terminal device 3; 3 is a diagram showing an example of information displayed on a display device 34; FIG. FIG. 10 is a drawing for explaining a case where comments are written between users; FIG. FIG. 11 is a schematic block diagram showing functions of a comment delivery system in the second embodiment; FIG. It is drawing which shows an example of an authority table. 4 is a drawing showing an example of information stored in a display database 234. FIG. FIG. 11 is a sequence diagram for explaining the operation of the comment distribution system according to the second embodiment;

A comment distribution system according to an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a conceptual diagram showing the configuration of a comment distribution system according to one embodiment of the invention. In this figure, a video distribution server 1 distributes video data in response to distribution requests from terminal devices 3 . This distribution is performed, for example, by streaming distribution. The comment distribution server 2 receives comments on the moving images distributed by the moving image distribution server 1 from the terminal devices 3 and distributes the comments to each terminal device 3 viewing the moving images. The terminal device 3 is connected to the video distribution server 1 and the comment distribution server 3 via the network 4, receives and displays the video distributed from the video distribution server 1, and displays the comments distributed from the comment distribution server 3. Receive and display on video.

Next, the comment distribution server 2 and the terminal device 3 in FIG. 1 will be further described with reference to the drawings. FIG. 2 is a schematic block diagram showing the configuration of the comment distribution server 2. As shown in FIG. In this figure, the comment information storage unit 21 associates the content of the comment with the content of the comment, with the video playback time based on the playback start time of the video at the time the comment content is added as the comment addition time. Store as comment information.
An example of data stored in the comment information storage unit 21 is shown in FIG. The comment information storage unit 21 stores a plurality of pieces of comment information in which comments on moving images distributed by the moving image distribution server 1 are summarized for each thread. Each piece of comment information includes information on a video ID that identifies a video and a thread ID that identifies a thread, so that it is possible to identify which thread corresponds to which video. In addition to the time when the comment was given and the contents of the comment, the comment information includes the comment information posting real time (corresponding to the above-mentioned real time information) indicating the actual time when the comment was given (spoken), and the comment. A plurality of pieces of comment data associated with a user name, which is information that identifies a user, and a comment display method, which is information that specifies how comments are displayed on a video, are included. When the comment data is received from the terminal device 3 that is present and is viewing the comment of the thread with the thread ID, the received comment data is additionally saved. Here, since the thread ID is stored in association with the video ID, it is possible to identify the same video and a plurality of different threads. This comment information storage unit 21 corresponds to the first comment information storage unit described above.

Next, the comment information distribution section 22 reads out the comment information stored in the comment information storage section 21 and distributes it to the terminal device 3 . The comment information update management unit 23 additionally stores additional comment information received from the terminal device 3 via the communication unit 24 in the comment information storage unit 21 according to the video ID and the thread ID.
The communication unit 24 performs various communications with the terminal device 3, outputs information transmitted from the terminal device 3 to the comment information update management unit 23, and outputs instructions for adding and storing comment information, A comment information distribution instruction is output to the comment information distribution unit 22 .

Next, the terminal device 3 will be described with reference to the drawings. FIG. 4 is a schematic block diagram for explaining the configuration of the terminal device 3. As shown in FIG.
In this figure, a moving picture reproducing unit 31 transmits a request for distribution of a moving picture specified by the user of the terminal device 3 to the moving picture distribution server 1 and receives and reproduces the moving picture distributed from the moving picture distribution server 1 . The comment information receiving unit 32 receives comment information input to the moving image to be reproduced from the comment distribution server 2 . The comment information storage unit 33 stores comment information received by the comment information reception unit 32 . This comment information storage unit 33 corresponds to the second comment information storage unit described above.

The display device 34 is a liquid crystal display device, a CRT (Cathode Ray Tube), or the like, and displays various information. The first display unit 35 displays the moving image reproduced by the moving image reproducing unit 31, and displays the comment giving time corresponding to the moving image reproduction time of the moving image to be reproduced, among the comment information stored in the comment information storage unit 33. The associated comment is read from the comment information, and the read comment is displayed on the display device 34 together with the moving image. In addition, the first display unit 35 has a function of overlay-displaying the content of the comment on the moving image. The second display unit 36 displays a list of comments as a comment list on the display device 34 based on the comment data stored in the comment information storage unit 33 . Here, the information is displayed according to the order of the comment posting real time information included in the comment data.

Information displayed on the display device 34 will be further described. FIG. 5 is a diagram showing an example of information displayed on the display device 34. As shown in FIG. A display field 101 displays a URL (uniform resource locator) when accessing the comment distribution server. The display field 102 displays the moving image ID of the moving image to be reproduced. In the display column 103, the total number of requests for viewing the currently displayed moving image is displayed as the viewing count. When another user reproduces (requests to view) a video, the number of views is displayed by incrementing the count of users who are viewing the same video at that time and updating the count. A display field 104 displays a moving image displayed by the first display unit. A display field 105 is an area in which a comment displayed by the second display unit is displayed. Here, the comment is displayed on the moving image displayed by the display field 104 . Also, here, the display field 105 is set to a size larger than that of the display field 104, and the overlay-displayed comment or the like is trimmed outside the screen of the moving image, and the comment itself is added to the moving image. It is possible to grasp that it is not what is included, but what is written by the user to the moving image.

The operation panel 106 displays a play button, a stop button, a rewind button, a fast forward button, a volume adjustment button, a play state display field indicating which part of the entire moving image is being played, and the like. By placing the cursor on a button and clicking it, an input of an operation corresponding to that button is accepted. Display column 107 displays the playback time length of the entire moving image and the moving image playback time of the moving image currently displayed in display column 105 . In the input field 108 , the name of the user who speaks to the moving image is input via the input unit 37 . Here, a check box is provided near the input field 108, and depending on whether or not the check box is checked, whether or not to enter the e-mail address is selected. 108 may be made two, and the input of the user's name and the user's e-mail address may be accepted. In the input field 109, information specifying how to display the comment is input. As for how to display the comment, for example, specify the position to display the comment on the video, the font, the size of the characters, the start and end positions of the movement display, the direction of movement display, etc. for overlay display. It can be set as information to be used. Here, it is also possible to predetermine how comments are displayed so that the user does not have to input them.

A comment is input to the comment field 110 by the user via the input unit 37 . When the button 111 is clicked, the comment entered in the comment column 110, the user name entered in the input column 108, and information on how to display the comment entered in the input column 109 are distributed as comments. Send to server 2. A display field 112 is an area where a comment list, which is a list of comments, is displayed. This list of comments includes a number (reference numeral 112a) indicating the utterance order given to the comment, the name of the user who entered the comment (reference numeral 112b), the time at which the comment was written (reference numeral 112c), and the comments that were made. (reference numeral 112d) are displayed according to the order of posted real-time information. An input field such as a check box for designating whether or not to display the display field 112 on the screen is provided in the display field 112, and display is performed or displayed according to the indication of whether or not to display the display field 112, which is entered in the input field. can be hidden. Also, the number of some comments to be displayed in the display field 112 may be changed according to the user's instruction. The display column 113 displays the details of the comment that the user has pointed the cursor at among the comment list displayed in the display column 112 . As the details of the comment, the full text of the comment, the name of the user who made the comment, the e-mail address, and the like are displayed.

The check box 114 designates the comment to be input in the comment column 110 as one line by inputting a check mark. For example, if a check mark is entered in the check box 114, comment input is completed, and, for example, an enter key is pressed to complete the input, the "write" button is clicked when the enter key is pressed. The comment is sent to the comment distribution server 2 as if it was done. This makes it possible to enter comments quickly and easily.

Next, returning to FIG. 4, the input unit 37 is an input device such as a mouse and a keyboard, and receives input of various information from the user. The selection unit 38 receives an input of selection of a comment input via the input unit 37 from the list of comments displayed by the second display unit 36 . The reproduction control unit 39 reads the comment data of the comment selected by the selection unit 38 from the comment information storage unit 33, and displays the moving image on the first display unit from the moving image reproduction time corresponding to the comment adding time of the read comment data. The comment data is reproduced and displayed on the display device 34 , and the comment content of the read comment data is displayed on the display device 34 by the first display unit 35 .

The transmission unit 40 receives data input of comment content for the video displayed by the first display unit 35, and transmits the video playback time at the time when the comment content is input as the comment addition time together with the comment content to the comment distribution server. do. Further, the transmission unit 40 has a function of transmitting various kinds of information to the comment distribution server 2 and the video distribution server 1 according to instructions input from the input unit 37 .

Next, the operation of the comment distribution system described above will be described. Here, first, an outline of the operation of the comment distribution system will be described.
First, the terminal device 3 accesses the comment distribution server 2 , receives the list data of the moving pictures whose comment writing time is recent, and displays it on the display device 34 . At this time, for example, the display device 34 displays the name of the movie, the name of the thread, etc. as a recent movie list as shown in FIG. Here, when the user selects a thread to view and clicks the name of the thread with a mouse, the terminal device 3 sends the video ID set to the video corresponding to the clicked thread to the video distribution server 1. The thread ID and the moving image ID set in the clicked thread are transmitted to the comment distribution server 2, and a request for transmission of comment information is made. In response to this, the moving picture distribution server 1 streams the moving picture specified by the moving picture ID to the terminal device 3 that has made the distribution request. On the other hand, the comment distribution server 2 reads out the comment information corresponding to the thread ID and the video ID from the comment information storage unit 21 and distributes it to the terminal device 3 that requested the distribution.

The terminal device 3 receives the moving image distributed from the moving image distribution server 1 and displays it on the display device 34 , and also displays the comment content on the moving image based on the comment information distributed from the comment distribution server 2 . Here, in accordance with the moving image reproduction time after the start of reproduction of the moving image, the comment content set with the comment adding time matching the moving image reproduction time is sequentially displayed on the moving image.

Next, operations of the comment distribution server 2 and the terminal device 3 will be described in sequence.
First, the operation of the comment distribution server 2 will be described using the flowchart of FIG. The communication unit 24 of the comment distribution server 2 detects whether or not a comment information distribution request has been received from the terminal device 3 (step S101). When receiving the comment information distribution request, the communication unit 24 instructs the comment information distribution unit 22 to distribute the comment information. Here, the video ID and thread ID of the comment information included in the distribution request are output to the comment information distribution unit 22 . The comment information distribution unit 22 reads the comment information corresponding to the video ID and thread ID output from the communication unit 24 from the comment information storage unit 21 (step S102), and sends the read comment information to the terminal device 3 that requested distribution. Distribute (step S103). Here, each piece of comment information associated with the video ID and the thread ID is collectively transmitted.

On the other hand, when the comment data transmitted from the terminal device 3 is received instead of the comment information distribution request (step S104), the communication section 24 outputs the comment data to the comment information update management section 23. FIG. The comment information update management unit 23 refers to the comment information storage unit 21, identifies comment information based on the video ID and thread ID included in the comment data output from the communication unit 24, and updates the identified comment information with The received comment data is additionally saved (step S105). When the additional storage is performed, the comment information distribution unit 22 selects the terminal device 3 that is playing the video with the video ID and that is viewing the video with the video ID and the comment with the thread ID. Then, the additionally saved comment data is distributed to each of the identified terminal devices 3 (step S106). On the other hand, if the comment data transmitted from the terminal device 3 has not been received, instead of requesting the distribution of the comment information, the process proceeds to step S101. Here, as a method of identifying the terminal device 3 that is playing back the video with the same video ID and viewing the comment of the thread with the thread ID, for example, the terminal device 3 that has accessed the comment distribution server 2 and a session is established, and the terminal device 3 for which this session is valid is identified as being viewing a moving image.

Next, operation of the terminal device 3 will be described with reference to the drawings. FIG. 8 is a flowchart for explaining the operation of the terminal device 3. FIG.
When the input unit 37 of the terminal device 3 receives an instruction to reproduce a moving image from the user (step S201), the transmitting unit 40 transmits the moving image ID of the instructed moving image to the moving image distribution server 1, and requests distribution of the moving image. At the same time, it transmits a comment information distribution request to the comment distribution server 2 . Then, when the comment information receiving unit 32 receives the comment information distributed from the comment distribution server 2 (step S202), it stores it in the comment information storage unit 33. FIG.

When the comment information is received and stored in the comment information storage unit 33 , the moving image reproducing unit 31 receives the moving image distributed from the moving image distribution server 1 , reproduces the received moving image, and displays it on the first display unit 35 . It is displayed on the device 34 (step S203). When reproduction of the moving image is started, the first display unit 35 stores comment information based on the current reproducing time of the moving image as to whether or not there is comment data set with a comment adding time that matches the reproducing time of the moving image. It is determined with reference to the part 33 (step S204). If there is comment data set with a comment adding time that matches the video playback time (step S205-YES), the first display unit 35 calculates the display position of the comment data (step S206). Then, display control of the comment on the moving image is performed according to the calculated display position (step S206).
On the other hand, the moving image reproducing unit 31 determines whether or not the reproduction is finished. If the reproduction is finished, the process is finished.

On the other hand, if there is no comment to be displayed in step S205, the distribution unit 40 detects whether or not a comment has been input from the input unit 37 (step S209). If a comment is input, the playback time indicated by the software player playing the video at the time the comment was input (for example, the time the "Write" button (reference numeral 111) was clicked). (Video playback time) is read, the video playback time is set as the comment adding time, the video ID of the video being played, the thread ID of the comment being viewed, the current real time information (current time information), and the terminal The user name of the user of the device 3, the content of the input comment, and the method of displaying the comment are associated with each other, and additionally stored as comment information in the comment list of the comment information storage unit 33 (step S210). Then, the transmission unit 40 transmits the additionally saved comment information to the comment distribution server 2 (step S211), and proceeds to step S208.

In step S209, if it is not a comment input, the terminal device 3 detects whether or not comment data has been received by the comment information receiving unit 32 (step S212). When comment data is received, the comment information receiving unit 32 additionally stores the received comment data in the comment information storage unit 33, and proceeds to step S208.

On the other hand, if comment data is not received in step S212, the selection unit 38 of the terminal device 3 detects whether or not a comment selection operation has been input from the input unit 37 (step S214). When a comment selection operation is input, the selection unit 38 outputs the comment content of the selected comment data to the reproduction control unit 39 . Upon receiving this output, the reproduction control unit 39 refers to the comment information storage unit 33 to read out the comment addition time stored in association with the selected comment data, and reproduces the video reproduction time corresponding to the read comment addition time. Accordingly, by rewinding or fast-forwarding the video playback position, playback is started from the video playback time that matches the comment adding time stored in association with the comment data (step S215), and the comment at that comment adding time. The content is displayed, and the process proceeds to step S208.

Next, the case where comments are displayed on the screen will be described with reference to the drawings. Here, a case will be described where the thread "Let's share your thoughts on the food!" associated with the video "Omurice by a famous chef" is selected in the "Recent comment list" in FIG. When this thread is selected, a moving image of "famous chef's omelet rice" is reproduced, for example, in the area of the display column 104 in FIG. Then, the comments are sequentially displayed on the moving image according to the moving image reproduction time. FIG. 5 shows the screen when the video playback time is 9 seconds. Here, the comment "It looks delicious!" by User F whose commenting time is 9 seconds moves from the right side of the screen to the left side. displayed (115). Then, when the moving image is reproduced and the moving image reproducing time reaches 13 seconds, a screen as shown in FIG. 9 is displayed. Here, the comment "It looks delicious!", which is a comment with a comment time of 9 seconds, is moved to the left side of the screen, and is trimmed outside the display column 104 and inside the display column 109. ~!” is displayed (reference numeral 200). In addition, the comment "A famous chef's work is good.", which is a comment by User Z with a comment giving time of 10 seconds, is displayed at a position below User B's comment (reference numeral 201). is user E's comment for 12 seconds, "Which egg are you using?" is displayed at the lower position of the screen (reference numeral 202). In this way, the comments are displayed sequentially.

The above description focuses on the operation of only one terminal device 3, but in reality, comments can be exchanged between users who are viewing the same video and the same thread as follows. can be done. Here, description will be made with reference to FIG. 10 .
For example, when a certain user E reproduces a moving image and additionally inputs a comment "Which egg are you using?" The comment information of the posted comment is distributed via the comment distribution server 2 to the terminal device 3 viewing the same moving image and the same thread.

After that distribution, when the same moving image is reproduced by another user C (symbol b), the comment information including the added comment is distributed to the terminal device 3 of the user C. FIG. Then, when the video playback time is 12 seconds, a comment from user E is displayed, "Which egg are you using?" Then, User C, who viewed this comment, replied, "It seems to be from ○○ prefecture," when User C's video playback time is 15 seconds (for example, when User E's video playback time is 100 seconds). ” and transmitted to the comment distribution server 2 (symbol c), the transmitted comment is distributed to the terminal device 3 of the user E. At this time, for example, when the video playback time is 100 seconds, part of the user C's comments are displayed in the list of the user E's comment list in order according to real time (reference d). For example, the latest comment is displayed at the bottom (or top) of the comment list. Then, when the user E who has seen this comment list clicks on a part of the comment, the video being played back is played back to the point in time when the video playback time is 15 seconds, and the user E's terminal device 3 is turned on. A comment "It seems to be made in ○○ prefecture" is displayed on the screen (symbol e). As a result, user E can enjoy it as if a reply had been received to his/her own comment. By repeating such exchanges of comments, it is possible to communicate with each other through comments, even between users viewing moving images at different timings. In this way, comments are managed in the order in which they are input in real time and displayed as a list of comments, so even users whose video playback timings do not match can exchange comments in real time. and communication can be achieved.

In addition, when such comments are written and the video is played back from the point at which the comment was written, the difference in playback timing of the video between users approaches 0, and the same video is played at substantially the same timing. Comments can be exchanged while browsing.

Here, the case in which a plurality of users are viewing the same video has been described, but if a user plays a video in a situation where no user is watching it, it is possible to store the video in memory up to that point. The posted comment information is distributed from the comment distribution server 2 to the terminal device 3 and sequentially reproduced according to the timing of video reproduction. As a result, even in a situation where no other user is browsing, the comments made in the past can be browsed in order according to the animation playback time of the animation. You can also write comments here.

In the above-described embodiment, when a comment is added to the comment list and the added comment is clicked by the user, the video is played from the video playback time that matches the comment adding time set in the comment, I explained the case where the comment is displayed, but if the added comment is not clicked, the comment will be displayed on the video when the video playback time reaches the comment time set for the added comment. Is displayed.
Also, even if another user writes a comment during the video playback time of the video you are viewing, it will be displayed in the comment list in order of real time, so you can click on the added comment. allows you to rewind or fast-forward to the point at which the comment was written and view the comment. Further, here, by rewinding the video playback time, the comments written so far, including newly written comments, are sequentially displayed according to the comment giving time and the video playback time. be done.

Here, it is also possible to rewind or fast-forward the playback time by moving the slide bar in the playback status display column of the operation panel 106. With this operation, the moving image can be rewound or fast-forwarded. As a result, the desired comment immediately disappears from the screen and may be difficult to find. However, by selecting from the comment list, it is possible to view from the desired scene.
Further, in the above-described embodiment, a case has been described in which the terminal device 3 receives the comment data distributed from the comment distribution server 2 and reflects and displays it on the screen. The entered comment may be displayed on the screen as soon as the comment is entered (before it is sent to the comment distribution server 2 and received by the comment distribution server 2 side). Specifically, when a comment is input in step S209 of FIG. 8, the input comment is displayed on the own terminal device 3, the process proceeds to step S210, and the input comment is additionally saved in the comment list. , and then transmitted to the comment distribution server 2 .

Next, display of comments will be described.
The input comment can be set by inputting in the input field 109 the display position such as the top, middle, or bottom of the screen and the display time for moving and displaying the comment. Further, when setting the display time, for example, the comment can be displayed in the upper part of the screen for a certain period of time (for example, 4 seconds) and then erased. It is also possible to specify the time (for example, 4 seconds) from appearing in the display area of the screen to disappearing after moving out of the area to adjust the movement speed. Also, when a large number of comments are entered intensively during a certain video playback time, etc., if they overlap with the same height line when displayed, it is possible to display them at different heights on the screen or move them. can be displayed. Also, if the display time is set and the movement speed differs depending on the length of the comment string, the next comment may catch up before the comment finishes moving. Also in this case, the next comment may be displayed on a line with a different height or may be moved and displayed.

In addition, it is possible to input not only sentences but also ASCII art (also called text art) by arranging characters, symbols, etc., as a comment. In this case, by unchecking the "one line" check box 114 and writing characters and symbols over several lines, it is possible to draw a landscape or a realistic picture. Here, the character font may be enlarged or reduced as necessary so that all lines of ASCII art fit within the screen.

Further, whether a comment is new or old may be determined based on real time, and a comment input at an old point in real time may be displayed semi-transparently after a certain period of time, and then erased. Also, it is possible to set a degree of importance to a comment and change the character size of the comment according to the degree of importance. For example, if the number of response comments is large, it can be determined that the importance is high, and the character size of the root comment can be increased. Also, the display position of the comment in the vertical direction (the vertical direction of the screen) may be changed according to the degree of importance. For example, comments of high importance may be displayed on the upper line of the screen, and comments of lower importance may be displayed on the lower line of the screen.

In the above-described embodiment, the case where the video distribution server 1 and the comment distribution server 2 are separate servers has been described, but the functions of the video distribution server 1 and the comment distribution server 2 can be realized by the same server. You may do so.
Further, in the above-described embodiment, when viewing comments and videos in this service, the comment distribution server 2 is accessed, the data of the recent comment list is received, and the recent comment list displayed on the display device 34 is received. Although the case of selecting a video and a thread from a comment list has been described, the video may be designated as a thread, a URL for viewing the comment and the video may be created, and published on the Internet. Specifically, it includes a video ID and a thread ID, and if you click on it, you can post the URL on a blog or bulletin board on an Internet site to receive the playback of the video and the comment information of the thread. You may make it click by a user. Alternatively, such a URL may be set as a thumbnail image or the like and clicked.

In addition, regarding such a list of recent comments, on the screen where videos and comments are viewed (for example, Fig. 5), thumbnail images are displayed on the right side and bottom of the screen, and threads with many accesses are displayed. The ranking may be displayed, and the thread set to the clicked thumbnail image may be displayed by having the user click on it.

In addition, in the above-described embodiment, a case where a moving image ID and a thread ID are specified has been described. You may do so. Alternatively, when a comment is simply input for a video without specifying which thread to write the comment in, the comment may be written in the representative thread. Further, when a certain number of comments (for example, 100) are posted in the thread, the comment distribution server 2 or the user may generate a new thread.

In addition, regarding the comment list, if the comment was displayed once on the video, or if the user clicked on the comment list to view it, it will be possible to identify in the comment list that it has been viewed. may For example, the character color may be changed, or a mark indicating that the page has been viewed may be displayed.

Alternatively, a user identifier may be assigned to each user and, for example, comments may be associated with user identifiers as comment data. This makes it possible to identify who made the comment. Furthermore, comments may be displayed in different character colors according to user identifiers. This makes it possible to identify the user who made the remark.
In addition, by assigning a user ID to a user who has accessed the system in advance and including this user ID in comment data and storing the comment data, comments made by each user may be displayed in a list, for example, by pop-up display. . Note that this user ID may be assigned to each user by prior user registration, or information for identifying the terminal device may be used. When using the information specifying the terminal device, for example, a hash function may be used to calculate the information specifying the terminal device, and the result of the calculation may be used as the user ID.

Next, a second embodiment will be described. In this embodiment, a case of deleting posted comments will be described. The deletion of the comment here is, for example, according to the comment deletion instruction from the user who has the authority to delete the comment, which is input via the terminal device 3, so that the comment to be deleted is not displayed on the screen. be able to. In addition, even if a user does not have the right to delete comments directly, the comments can be put in a translucent state or not displayed according to the number of comment deletion requests from users who do not have the right. is possible.

A comment distribution system according to the second embodiment will be described below.
FIG. 11 is a schematic block diagram showing functions of the comment distribution system in the second embodiment. In this figure, the parts corresponding to those in FIG. 2 are denoted by the same reference numerals, and the description thereof is omitted. In this embodiment, it is assumed that a comment ID is assigned to each comment in the comment information.
The communication unit 241 receives comment deletion request information transmitted from the terminal device 3 in addition to the functions of the communication unit 24 in FIG. The comment deletion request information here includes a comment ID to be deleted, a thread ID specifying a thread in which the comment to be deleted is registered, a video ID specifying a video corresponding to the thread, and a deletion request. and an erasure request user ID for identifying the user who made the request.

The comment information update management unit 23 has an authority determination unit 231 , a deletion request count unit 232 and a display selection unit 233 .
The authority determination unit 231 receives the comment deletion request information received by the communication unit 242 from the terminal device 3, and deletes the comment based on the video ID, the thread ID, and the deletion requesting user ID included in the comment deletion request information. determine whether you have the authority to do so. This authority determination unit 231 stores an authority table for determining whether or not there is this authority in its internal memory area, and refers to this table to determine whether or not there is authority. An example of this authorization table is shown in FIG. As shown in FIG. 12, in the authority table, a moving image ID, a thread ID, and a deletion authority user ID for specifying a user who has the authority to delete a comment registered in the thread ID are stored in association with each other. . Here, only one erasure authority user ID may be stored for one combination of the moving image ID and the thread ID, or a plurality of erasure authority authority user IDs may be stored. The authority determination unit 231 refers to the authority table to determine whether or not the combination of the video ID and the comment ID included in the comment deletion request information is in the authority table. , it is determined whether or not the user ID possessing the deletion authority associated with the comment ID of the authority table matches the user ID included in the comment deletion request information, and the user ID possessing the deletion authority and the user ID included in the comment deletion request information If the user ID matches the user ID, it is determined that the user has the authority to delete the comment.

The deletion request counting unit 232 counts the number of deletion requests for each comment requested to be deleted based on the comment deletion request information for which the authority determination unit 231 has determined that the user does not have the deletion authority.
The display database 234 stores the count number and the display method in association with each other. An example of information stored in this display database 234 is shown in FIG. Here, the count number (n) that is the result of counting by the erasure request counting unit 232, information indicating the relationship between the range of the count number, and information specifying the display method are stored in association with each other. As this display method, "normal" for displaying comments, "semi-transparent" for displaying semi-transparent comments on moving images, and "transparent" for erasing comments are set.

The display selection unit 233 refers to the display database 234 to read the display method corresponding to the count result (n) counted by the deletion request counting unit 232, and assigns the read display method to the “comment display method” of the comment information. , is stored in the comment information storage unit 21 .

Next, operation of the comment distribution system in the second embodiment described above will be described.
FIG. 14 is a sequence diagram for explaining the operation of the comment distribution system according to the second embodiment.
First, as shown in the first embodiment, the comment distribution server 1 collects comments posted from the terminal devices 3, distributes them as comment information to each terminal device 3, and displays the videos and comments on the screen. .
Then, among the comments displayed on the screen of the terminal device 3, when the user clicks a comment to be deleted with a mouse or the like, and clicks a delete request button displayed on the screen, the terminal device 3 reads out the comment ID, video ID, and thread ID of the clicked comment from the comment information storage unit 33, and stores the read comment ID, video ID, and thread ID as well as the user who uses his/her own terminal device 3. ID is associated with the comment, and transmitted to the comment distribution server 1 as a comment deletion request (step S301).

When the comment distribution server 1 receives the comment deletion request information from the terminal device 3 (step S401), the comment distribution server 1 determines whether or not the user ID included in the received comment deletion request information has the authority to delete the comment. It is determined by the determination unit 231 (step S402). As a result of the determination, if the user has the deletion authority, the display selection unit 233 is instructed to delete the comment. In response to the instruction from the authority determination unit 231, the display selection unit 233 selects a comment stored in the comment information storage unit 21 that matches the video ID, thread ID, and comment ID included in the received comment deletion request information. Write the information indicating "Do not display" in the "Comment display method" of the information.

Then, when the "comment display method" information of the comment information is updated, the comment information distribution unit 22 transmits the updated comment information to the terminal device 3 (step S404). The terminal device 3 receives the comment information transmitted from the comment distribution server 1 and displays the comment according to the comment display method. Here, deleted comments are stored as comment data, but are not displayed on the screen, and comments that are not to be deleted are displayed on the screen.

On the other hand, if it is determined that there is no authority in step S402, the erasure request counting unit 232 detects it as comment erasure request information from a user who does not have this erasure authority. Then, the erasure request counting unit 232 counts up the erasure requests for the comment IDs of the video IDs and thread IDs included in the comment erasure request information (step S405), temporarily stores it in its own internal counter, and outputs the count result. Output to the display selection unit 233 . The display selection unit 233 reads the display method corresponding to the counted number from the display database 234 based on the count result output from the deletion request counting unit 232 (step S406), and combines the read display method with the video ID and the thread ID. The "comment display method" of the comment information storage unit 21 is written according to the comment ID.

When the comment display method is written in the comment information storage unit 21, the comment information distribution unit 22 transmits the comment information after the comment display method has been written to the terminal device 3 (step S404). Thereby, it is displayed on the terminal device 3 according to the transmitted comment information (step S302).

According to this embodiment, comments are erased according to the presence or absence of authority. This makes it possible to display a comment that takes into consideration the intention of a user with special authority, such as a manager of the thread, to determine whether or not the comment is appropriate for the thread. In addition, even users who do not have the authority to delete comments by their own will can delete comments or display them differently from other comments, such as translucency, according to the number of users. . As a result, comments can be written and deleted among a plurality of users, and the amusement of the thread can be improved.

In the above-described second embodiment, the case where the deletion request counting unit 232 refers to the comment deletion request information that the authority determination unit 231 has determined does not have the deletion authority has been described. Only one of the request count units 232 may be provided in the comment information update management unit 23 . In other words, it is also possible to receive deletion requests only from users who have the deletion authority and delete the comments. The comment may not be displayed or may be made translucent.

In addition, in the above-described second embodiment, the case where the comment display method is "normal", "semi-transparent", or "transparent" has been described, but the comment to be deleted is displayed differently from the normal comment. For example, you can change the level of translucency, change the color of comments, change the character size, font, color gradation, or make it white. good too.
Further, an input request for cancellation of deletion of comments may be received from a user who has the authority to delete comments, and the deleted comments may be displayed in response to this instruction.

In the embodiment described above, the program for realizing the functions of the comment information distribution unit 22, the comment information update management unit 23, and the communication unit 24 in FIG. Reception unit 32, first display unit 35, second display unit 36, input unit 37, selection unit 38, reproduction control unit 39, transmission unit 40, authority determination unit 231 in FIG. 11, deletion request count unit 232, display A program for realizing the functions of the selection unit 233 and the communication unit 241 is recorded in a computer-readable recording medium, and the program recorded in the recording medium is read into a computer system and executed. Display control of comments may be performed. It should be noted that the "computer system" referred to here includes hardware such as an OS and peripheral devices.

The "computer system" also includes the home page providing environment (or display environment) if the WWW system is used. The term "computer-readable recording medium" refers to portable media such as flexible discs, magneto-optical discs, ROMs and CD-ROMs, and storage devices such as hard discs incorporated in computer systems. Furthermore, "computer-readable recording medium" means a medium that dynamically retains a program for a short period of time, like a communication line when transmitting a program via a network such as the Internet or a communication line such as a telephone line. It also includes those that hold programs for a certain period of time, such as volatile memories inside computer systems that serve as servers and clients in that case. Further, the program may be for realizing part of the functions described above, or may be capable of realizing the functions described above in combination with a program already recorded in the computer system.

Although the embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and design and the like are included within the scope of the gist of the present invention.

1 video distribution server 2 comment distribution server 3 terminal device 21 comment information storage unit 22 comment information distribution unit 23 comment information update management unit 24, 241 communication unit 31 video reproduction unit 32 comment information reception unit 33 comment information storage unit 34 display device 35 First display unit 36 Second display unit 37 Input unit 38 Selection unit 39 Playback control unit 40 Transmission unit 231 Authority determination unit 232 Erasure request count unit 233 Display selection unit 234 Display database

Claims (14)

A system comprising a plurality of terminal devices,
The plurality of terminal devices are connected to a server via a network,
The server is
receiving a first comment and a second comment on the moving image given by a user watching the moving image transmitted from the server;
transmitting the video and comment information to the terminal device;
The comment information is
the first comment and the second comment;
a comment attachment time, which is a video playback time representing the elapsed time of the video relative to the beginning of the video, corresponding to the time when each of the first comment and the second comment was added;
Based on the moving image and the comment information, the first comment and the second comment move horizontally while overlapping at least a part of the moving image in the moving image and the moving image reproduction time corresponding to the comment adding time. means for displaying on the display device of the terminal device such that the longer the character strings of the first comment and the second comment, the faster the moving speed of the first comment and the second comment ;
a determination unit that determines whether or not a display position of the second comment when displayed on the moving image overlaps with a display position of the first comment;
A system comprising: a display position control unit that adjusts so that the first comment and the second comment are displayed at positions that do not overlap when it is determined that they overlap,
By the server transmitting the video and the comment information to the terminal device, the display device of the terminal device:
the video;
The first comment and the second comment overlapping at least a part of the moving image and moving in the horizontal direction during the moving image playback time corresponding to the comment adding time. A system that appears non-overlapping. A system comprising a plurality of terminal devices,
The plurality of terminal devices are connected to a video distribution server and a comment distribution server via a network,
The comment distribution server is
receiving a first comment and a second comment on the moving image given by a user watching the moving image transmitted from the moving image distribution server;
sending comment information to the terminal device;
The video distribution server transmits the video to the terminal device,
The comment information is
the first comment and the second comment;
a comment attachment time, which is a video playback time representing the elapsed time of the video relative to the beginning of the video, corresponding to the time when each of the first comment and the second comment was added;
Based on the moving image and the comment information, the first comment and the second comment move horizontally while overlapping at least a part of the moving image in the moving image and the moving image reproduction time corresponding to the comment adding time. means for displaying on the display device of the terminal device such that the longer the character strings of the first comment and the second comment, the faster the moving speed of the first comment and the second comment ;
a determination unit that determines whether or not a display position of the second comment when displayed on the moving image overlaps with a display position of the first comment;
A system comprising: a display position control unit that adjusts so that the first comment and the second comment are displayed at positions that do not overlap when it is determined that they overlap,
When the comment distribution server transmits the comment information and the moving image distribution server transmits the moving image to the terminal device, the display device of the terminal device:
the video;
The first comment and the second comment overlapping at least a part of the moving image and moving in the horizontal direction during the moving image playback time corresponding to the comment adding time. A system that appears non-overlapping. The means displays the first comment and the second comment so that the time from display to disappearance is constant regardless of the length of the character strings of the first comment and the second comment. 3. A system according to claim 1 or 2. Said means makes said first comment and said second comment so as to move from the right end to the left end of said moving image over a certain period of time, regardless of the length of the character strings of said first comment and said second comment. 3. A system according to claim 1 or 2 for displaying. 5. A system according to claim 3 or 4, wherein the fixed time is predetermined rather than entered by the user of the terminal device. 3. The system according to claim 1 or 2, wherein said means displays said first comment and said second comment such that said first comment and said second comment move without stopping. 3. The system according to claim 1, wherein said comment information includes comment display information specifying how said first comment and said second comment are to be displayed on the moving image. 8. The system according to claim 7 , wherein said comment display information indicates a display time from when each of said first comment and said second comment is displayed until it disappears. 9. The system according to any one of claims 1 to 8 , wherein said animation is transmitted to two or more of said plurality of terminal devices. 10. The system according to any one of claims 1 to 9 , wherein said moving image and said comment information are transmitted to a requesting terminal device in response to a request from any one of said plurality of terminal devices. A plurality of terminal devices are connected to a server via a network,
The server receives a first comment and a second comment on the moving image given by a user who is watching the moving image transmitted from the server,
The server transmits the video and comment information to the terminal device,
Here, the comment information is
the first comment and the second comment;
a comment attachment time, which is a video playback time representing the elapsed time of the video relative to the beginning of the video, corresponding to the time when each of the first comment and the second comment was added;
Based on the moving image and the comment information, the first comment and the second comment move horizontally while overlapping at least a part of the moving image in the moving image and the moving image reproduction time corresponding to the comment adding time. is displayed on the display device of the terminal device such that the longer the character strings of the first comment and the second comment, the faster the movement speed of the first comment and the second comment ,
Determining whether or not the display position of the second comment when displayed on the moving image overlaps with the display position of the first comment,
A method of adjusting so that the first comment and the second comment are displayed at positions that do not overlap when it is determined that they overlap. By the server transmitting the video and the comment information to the terminal device, the display device of the terminal device:
the video;
The first comment and the second comment overlapping at least a part of the moving image and moving in the horizontal direction during the moving image playback time corresponding to the comment adding time. 12. The method of claim 11 , wherein the displayed non-overlapping. A plurality of terminal devices are connected to a video distribution server and a comment distribution server via a network,
The comment distribution server receives a first comment and a second comment on the moving image given by a user who is watching the moving image transmitted from the moving image distribution server,
The comment distribution server transmits comment information to the terminal device,
The video distribution server transmits the video to the terminal device,
Here, the comment information is
the first comment and the second comment;
a comment attachment time, which is a video playback time representing the elapsed time of the video relative to the beginning of the video, corresponding to the time when each of the first comment and the second comment was added;
Based on the moving image and the comment information, the first comment and the second comment move horizontally while overlapping at least a part of the moving image in the moving image and the moving image reproduction time corresponding to the comment adding time. is displayed on the display device of the terminal device such that the longer the character strings of the first comment and the second comment, the faster the movement speed of the first comment and the second comment ,
Determining whether or not the display position of the second comment when displayed on the moving image overlaps with the display position of the first comment,
A method of adjusting so that the first comment and the second comment are displayed at positions that do not overlap when it is determined that they overlap. When the comment distribution server transmits the comment information and the moving image distribution server transmits the moving image to the terminal device, the display device of the terminal device:
the video;
The first comment and the second comment overlapping at least a part of the moving image and moving in the horizontal direction during the moving image playback time corresponding to the comment adding time. 14. The method of claim 13 , wherein the images are displayed in a non-overlapping manner.

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