JP2003216527A - Content delivery service method and content delivery system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a contents delivery system capable of providing a change in contents of a scene of a program from a deliverer's terminal in real time from a delivery site to an audience's terminal. <P>SOLUTION: A video camera 1 is (wirelessly) connected to the deliverer's terminal 2, the deliverer's terminal 2, the delivery services site 10, and the audience's terminal 11 are connected into a network (Internet and HDSL (High- bit-rate Digital Subscriber Line)). The delivery services site 10 is provided with a source file 21 (html - hyper text markup language) having an applet downloading and acquiring updated information and Java Script periodically calling a updating detecting routine of the applet, a scene table 20 storing a list of the scene for every unit of the program set by the deliverer, an access history table 22 storing an access history of a client, and an updated contents determination part 23 determining and transmitting the contents converted by the request from the audience side in a page P of the scene provided to the audience. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention transmits content, such as moving images, still images, and audio captured by a distributor, from a distributor terminal to a server, and the server updates the contents of the distributor to the viewer terminal. The present invention relates to a content distribution system that realizes real-time distribution of content to viewers by providing the updated content.

[0002]

2. Description of the Related Art In recent years, information distribution on the Internet has become common, and with the development of real-time video distribution technology and the development of Internet lines, there is an increasing need to view live video and information in real time.

For example, as shown in FIG. 12, examples thereof include a remote lesson for receiving education at a remote place and a lecture on the Internet.

Taking the remote lesson of FIG. 12 as an example, the lecturer A, which is the distribution side, registers in advance a number of scenes (description B, chart C, video source file names) to be distributed to the viewer.

Then, the video of the lecturer is photographed by the video camera 1 and transmitted to the distributor terminal 2 (for example, on the desk of the lecturer). An adapter with a built-in encoder is attached to the above-mentioned video camera 1. Further, a memory card, a wireless LAN card, or a wired LAN (not shown) is attached.

Then, the distributor terminal 2 receives the image from the video camera 1 and displays the image (streaming) in the center of the screen as shown in FIG. The material Ci (C1, C2, ...) And the material C required for the present explanation selected on the right side are displayed (this is called a chart). Next, the OHP device 3 is used to display on a wall or the like.

The lecturer who is also the distributor operates the distribution terminal 1 while advancing the conversation and operates the material Ci (C1, C2, ...) On the left.
Select to proceed with turning over the OHP.

At this time, the distributor terminal 2 transmits the image of the instructor on the screen and the selected chart number (file name) to the distribution service site 4 using the network (Internet, HDSL) 5.

The above-mentioned scene description, chart, and video may be simply referred to as scene contents.

On the other hand, the viewer operates the viewer terminal 6 to access the distribution service site 4, request the scene Si from the distributor terminal 2, and display the page. After that, the stream of the instructor A and the scene Si are read from the distribution service site 6 at regular intervals by the browser function.

However, it is a standard H control that the teacher on the sender side controls the update timing of the scene Si.
The TML delivery mechanism is difficult.

The only simple method is shown in FIG.
There is a method in which the browser of the viewer terminal is reloaded at regular time intervals by setting automatic update in the HTML file as shown in 14.

That is, as shown in FIG. 13, the distributor (lecturer) first operates the distributor terminal 2 to register the user on the distribution service site 4 (user ID, terminal ID, name,
(Address, account number, etc.) (d1). Alternatively, write a predetermined item on a sheet and send it to the distribution service site 4 for contract.

Next, after registration, the distributor (lecturer) sets distribution contents on the screen provided from the distribution service site 4 (d2). I created it if necessary,
Upload files such as chart files to the distribution site (d3).

The above-mentioned distribution content setting is associated with, for example, a title description B, a chart file name, a scene number, a video source name, a background, etc.
Set in display order.

At the time of this setting, the content itself (A, B, C) is embedded with the number of seconds to be updated.

Specifically, when updating after 10 seconds, the update timing is set by writing <meta http-equiv = "refresh" content = "10"> in the header part of htm1. That is, the distribution service site 4 updates the time ti (t1, t2, ...) For each content name in association with the distributor ID.
Is saved.

Next, the distributor operates the distributor terminal 2 to transmit the scheduled distribution time, distribution URL and the like to the viewer terminal 6 by mail or the like (d4).

When the lecturer A is photographed by the video camera 1 at the start of the lecture, the distributor terminal 2 transmits this image to the distribution service site 4 via the computer network 5 and is selected by the speaker. The chart number is transmitted (d5, d6). After that, the distributor selects the content screen set in advance on the distribution service site 4 (displayed on the distributor terminal) for explanation.

On the other hand, the viewer operates the viewer terminal 6 to access the URL (distribution service site) sent from the distributor, request a scene, display the page P of the scene, and display the content of this scene. A, B, and C are acquired at regular intervals (d7).

In addition, the sender (lecturer), along with the lecture,
When the next scene on the screen of the distributor terminal 2 is selected, the distributor terminal 2 transmits the content name (content C) and the update instruction to the distribution service site 4 (d8).

Further, the viewer terminal 6 accesses the distribution service site 4 to request the contents A, B and C and display them on the screen (d9, d10). At this time, the distribution service site 4 distributes the contents A, B, and C for each content request when the update time ti corresponding to the content comes.

Therefore, the viewer side updates the contents (charts and explanations) just by watching.

[0024]

However, the method of reloading the browser of the viewer terminal at a constant time interval by setting the automatic update in the HTML file as described above is such that all contents are read at a constant time interval. There is a problem that the viewer terminal unconditionally reads (A, B, and C of page P) and the screen flickers because the current screen is updated even with the same one.

All contents (A on page P,
Since the requests B and C) are periodically transmitted from the viewer terminal side, there is a problem that the access load on the server is applied.

Further, the selection of scenes during the lecture is generally advanced depending on the situation, and even if the update time is set in advance, the lecture does not always proceed according to the update time.

That is, the above-mentioned distribution method has a problem that the content distribution service cannot be performed at the timing intended for the lecture.

The present invention has been made in view of the above problems, and an object of the present invention is to obtain a content distribution system capable of providing a viewer terminal with a change in the content of a scene of a program from a distributor terminal in real time. And

[0029]

According to the content distribution service method of the present invention, a server provides a large number of contents displayed as scenes of a program on a screen of a distributor terminal to a viewer terminal via a computer network. This is a content distribution service method.

Then, the distributor terminal is prompted to input the distribution reservation information of the content of each scene for each program, while the server stores the distribution reservation information from the distributor terminal and the viewer. Managing the current scene number of the program provided to the terminal and the distribution history of the scene to the viewer terminal; and when the viewer terminal makes a distribution request for the program, The step of providing the file of the page of the content of the program of the corresponding distribution reservation information to the viewer terminal, and the distribution reservation managed by the distributor terminal when the request for changing the content of the scene is transmitted. Updating the content corresponding to the information to the content indicated by the change request,
Each time a content update inspection request is received from the viewer terminal, the distribution is performed as to whether or not any content of the scene number of the distribution reservation information corresponding to the current scene number being managed is updated. It is summarized that it comprises a step of judging from the history and a step of providing only the updated content to the viewer terminal when it is judged that the content of the scene of the program is updated.

As a result, when the distributor sends a request for updating the content of the scene of the program to the server, the server responds to the client with the change of the scene (changed content) in response to the update inspection request from the client.
Further, the viewer terminal reloads only the content changed according to the response result, and the browser automatically updates the content of the frame.

In the content distribution system of the present invention, the distributor terminal receives the video signal photographed by the image pickup means,
This video is transmitted to the server via the computer network while the distributor terminal displays the frame in the frame of the scene of the program and the related content in the other frame, and the viewer terminal transmits the video to the server via the computer network. This is a distribution service system in which a scene of a desired program is provided from a server.

When there is a distribution request for the program from the viewer terminal, the server creates an html file of the initial page of the content of the program of the distribution reservation information stored in advance corresponding to the distribution request. Means for providing to the viewer terminal; means for updating the content corresponding to the distribution reservation information to content indicated by the change request when a request for changing the content of the scene is transmitted from the distributor terminal; Means for determining from the distribution history whether or not any content of the scene number of the distribution reservation information has been updated each time the viewer terminal receives an update inspection request for the content, and the content of the scene of the program is updated. And a means for providing only the updated content to the viewer terminal when it is determined that the content has been updated.

The viewer terminal has at least a browser function, and causes the server to inquire whether the content of the scene currently being displayed is updated using the browser function at regular time intervals. When it is notified that there is an update, the content is provided with automatic updating means for requesting the content and updating the content of the screen with the content of the browser function.

As a result, when the distributor shoots the lecture by the image pickup means and selects the contents of the scene of the distributor terminal as the lecture progresses, a request for updating the contents of the scene of the program is transmitted to the server. . The server responds to the client with the change point (changed content) of the scene in response to the update inspection request from the client (viewer terminal). Further, the viewer terminal reloads only the content changed according to the response result, and the browser automatically updates the content of the frame.

Therefore, only the contents changed with the progress of the program are displayed in the frame of the screen of the viewer terminal.

[0037]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention is a content distribution system for providing viewers with contents such as moving images, still images, and audio in real time. Communication traffic is controlled by a control program of a server and a client. The distributor controls the screen that the viewer sees while reducing the screen flicker.

Generally, in a real-time content distribution service, this timing cannot be decided in advance. Therefore, the following mechanism is prepared in this embodiment.

(Contents Viewed by Viewer) The contents of the viewer are represented by htm1. In addition, the content consists of a plurality of elements. For example, elements such as images, descriptions, titles, and charts.

Each element is described in a frame.

Html1 independent of each frame
In the document, the URL of the source of the content and the text document are described in the document.

Further, a mechanism for detecting the update on the server side and updating the frame of each element is necessary.

To realize these, there are (1) a method using an applet and JavaScript, and (2) a method using JavaScript and an automatic update function.

In the following embodiments, the method (1) will be described as the first embodiment, and the method (2) will be described as the second embodiment.

<First Embodiment> FIG. 1 is a schematic configuration diagram of a content distribution system according to the first embodiment. As shown in FIG. 1, the video camera 1 is connected (wirelessly) to the distributor terminal 2, and the distributor terminal 2 and the distribution service site 10 are connected.
And a viewer terminal 11 are connected by a network (Internet, IP network).

As shown in FIG. 1, the distribution service site 10 is provided with an applet for acquiring update information and a Java Script for periodically calling an update detection routine of the applet on a scene page P provided to the viewer. Source file 21 (html), a scene table 20 in which a list of scenes is stored for each unit of a program set by a distributor, an access history table 22 in which an access history of a client is stored, and a viewer side (client The update content determination unit 23 and the like for determining and transmitting the content changed according to the request from the side).

The viewer terminal 11 has at least a browser function 24 in advance, and the applet function 21a and the Javascript function 2 from the distribution service site 10 are provided in advance.
The changed content 1b is transmitted from the distribution service site 10.

The delivery service site 10 (server) described above.
Stores the scene table 20 shown in FIG. 2, the current scene number, the access history table 22 and the like.

As shown in FIG. 2, the scene table 20 is a list in units of programs set by users (lecturers, distributors). The scene table 20 associates a scene number, a video source name, a description file name, a chart file name, and the like with each other.

The above-mentioned current scene number indicates the current scene selected by the distributor at the time of content distribution.

The access history table 22 also associates the client number with the previous scene number.

That is, the access history table 22 holds the scene number when the client last accessed (or checked).

The system configured as described above will be described below with reference to the sequence diagrams of FIGS. 3 and 4.

As shown in FIG. 3, the distributor (lecturer) first operates the distributor terminal 2 to perform user registration (user ID, terminal ID, name, address, account number, etc.) on the distribution service site 10. (D10). Alternatively, write a predetermined item on a sheet and send it to the distribution service site 10 for contract.

Next, after registration, the distributor (lecturer) sets distribution contents on the screen provided from the distribution service site 10 (d12). If necessary, the distribution service site 10 provides a scene table 20 created by myself, in which charts, video sources, explanations, etc. are associated with scene numbers.
Upload to (d13).

Next, the distributor operates the distributor terminal 2 to transmit the scheduled distribution time, distribution URL and the like to the viewer terminal 6 by mail or the like (d14).

When the lecturer shoots with the video camera 1 at the start of the lecture, the distributor terminal 2 transmits this image to the distribution service site 10 via the computer network 5 and is selected by the speaker. The chart number is transmitted (d15, d16). After that, the distributor selects the content screen set in advance on the distribution service site 10 (displayed on the distributor terminal) to explain.

On the other hand, the viewer operates the viewer terminal 11 to access the URL (distribution service site) sent from the distributor, as shown in FIG. 4, to request the page P. In the source file of this page P, the applet function 21a and Java Script function 21 of html are included.
When "b" is written and the page P is transmitted, the viewer terminal 11 displays the applet function 21a and the Java Sc.
It has a ript function 21b. Next, the viewer terminal 11 acquires the contents A, B, and C of the scene (d17).

In addition, the sender (lecturer), along with the lecture,
When the next scene is selected in the scene of the distributor terminal 2, the distributor terminal 2 transmits the scene number (for example, when the content content C is changed) and the update instruction to the distribution service site 10 (d18).

On the other hand, when the timer counts a certain time (d19), the viewer terminal 11 receives the Java Scri.
pt calls the applet and makes an update check request (d20).

Next, the applet is Java Scri
In response to the pt update check request, the distribution service site 10 is accessed and a scene update check is transmitted (d21).

The distribution server site 10 that has received this update check sends the change (update information) from the access history table 22 and the scene table 20 to the client in response to the update inspection request from the client (d22).

Next, when the applet function 21a of the client (viewer terminal 11) receives the update information, J
The update information (for example, the content C) is passed to the ava script function 21b (d23).

Then, the Java script function 2
1b causes the browser function 24 to reload frame C (h
Tml) via browser 24 Delivery service site 1
1 is notified (d24, d25).

The distribution service site 10 is an answer.
To the browser 2 via the browser 24 of the viewer terminal 11.
4 transmits the chart C and displays it on the screen (d27, d28).

That is, the viewer side terminal 11 reloads only the updated content from the distribution service site 10.

Then, at a certain time again (d2
9), the Java script function 21b calls an applet and makes an update check request (d30).

Next, the applet 21a uses Java S
In response to the update check request of the script, the distribution service site 10 is accessed and the update check of the scene is transmitted (d31).

The distribution server site 10 that has received this update check transmits the changes (update information) from the access history table 22 and the scene table 20 to the client in response to the update inspection request from the client, and the applet receives the change. This is notified to Java script (d32, d33).

At this time, the updated content determination unit 23 of the distribution service site 11 compares the scene N and the scene M of the scene table 20 and notifies the result. However, since the scene update command has not been sent from the distribution side, the scene N and the scene M video play, the description, and the chart are the same, so the update information is notified to the applet without change. .

That is, unless the content is updated on the distribution side, rereading of the content does not occur on the viewer side.

Therefore, unless the distributor updates the contents, the contents are not read from the distribution service site, so that the communication charge can be suppressed and the screen does not flicker because the re-read is only at the time of updating.

The description of the transmission of the update information will be supplemented.

As shown in FIG. 5, the update content determination unit 23 sends a scene number M (for example, scene 000) from the distributor.
3) is set (S1).

Then, the current scene number is read from the access history table 22 and set (N ← current scene:
For example, scene 0002) is performed (S2).

Next, the update content judgment unit 23 compares the video sources of the scene N (scene 0002) and the scene M (scene 0003) of the scene table 20 and, if they are different, updates the frame A ( The video source of scene 0003) (S3). In the present embodiment, as shown in FIG. 6, the video source of scene 0002 and scene 000.
3 is the same as the video source (video1.txt), the video source (content A) is not updated.

Next, the updated content determination section compares the explanatory texts (content B) of scene N (scene 0002) and scene M (scene 0003) in the scene table,
If they are different, update frame B (scene 000
3 video source) (S3).

In the present embodiment, as shown in FIG. 6, the explanatory note of the scene 0002 is “commnet2”, and the explanatory note of the scene 0003 is “commnet2.txt”.
Therefore, the content B is not updated.

Next, the update content determination section compares the charts (content C) of scene N (scene 00002) and scene M (scene 0003) in the scene table, and if they are different, updates frame C. Do (S
4).

In the present embodiment, as shown in FIG. 6, the chart of scene 0002 is "charet1.peg", and the chart of scene 0003 is "charet3.peg".
Since it is "peg", the content C is updated.

That is, as shown in FIG. 7, when the server receives the update check from the client (S10),
The client is notified that the update information is notified (answer = empty character) (S11).

Next, the update content determination unit 23 sets the scene number M (for example, scene 0003) from the distributor, reads the current scene number from the access history table 22, and sets it (N ← current scene: For example, scene 0002) is performed (S12).

Next, the updated content judgment unit 23 compares the scene N and the scene M and judges whether there is any change (S13).

If it is determined in step S13 that there is no change, retuning is performed (S14).

In step S13, the scene N
When it is determined that there is a change between the scene N and the scene M, the update content determination unit 23 determines that the scene N (for example, scene 0002) and the scene M (for example, scene 000) in the scene table.
The video sources of 3) are compared with each other (S13), and if they are different, the frame A is updated (video source A of scene 0003: answer = answer + A) (S1).
4).

If it is determined in step S13 that the video source of the scene N and the video source of the scene M are not different, the scene N of the scene table 20 is displayed.
(Eg scene 0002) and scene M (eg scene 0)
003) are compared with each other (content B) (S1
7), if different, update frame B (description of scene 0003: answer = answer + B)
Yes (S18).

In step S17, the scene N
If it is determined that the description of the above is not different from the description of the scene M, the charts of the scene N (for example, 0002) and the charts of the scene M (scene 0003) are compared (content C) (S19), If they are different, the frame C is updated (S20).

<Second Embodiment> In the first embodiment, the viewer terminal 11 is provided with an applet function, a browser, and a Java script function in order to transmit information that is unknown unless the applet function is used. The applet function is not provided when the information understood by the function is sent from the distribution service site.

That is, a hidden frame is prepared in advance,
The frame (this frame describes whether to reload the element frame) is updated regularly. At this time, the server determines which element frame is to be reloaded.

The second embodiment, as shown in FIG.
, The source file of the page P (frame A: video content, frame B: description content, frame C: chart content) of the scene to be provided to the viewer, and the hidden control frame 26a (hereinafter, hidden frame). D: It is described whether the element frame is read again), and JavaScript 26b written in the file of this hidden frame D. These are preferably described in html.

Then, a hidden frame transmission unit 27 for writing the hidden frame D and transmitting it to the viewer terminal 11 when the updated content determination unit 23 determines the updated information is provided.

The viewer terminal 28 has at least the browser function 24 in advance, and the hidden frame D from the distribution service site 25 and the Java script function 21b.
And the changed content is transmitted from the distribution service site 25.

That is, as shown in FIG. 9, the viewer terminal 28, which is a client, is provided with the source file of the page p and the hidden frame D.

The system of the second embodiment configured as described above will be described below with reference to the sequence diagram of FIG. In the present embodiment, description will be given after the viewer has accessed the distribution service site 11.

As shown in FIG. 10, the viewer operates the viewer terminal 28, accesses the URL (distribution service site) sent from the distributor, and requests the page P. With the transmission of this page P, the hidden frame D (J
(including the ava Script function 26b).
The viewer terminal 28 includes the Java Script function 26b, the browser 24, and the hidden frame D. Next, the viewer terminal 28 displays the content A of the scene,
B and C are acquired at regular intervals (d30).

In addition, the sender (lecturer), along with the lecture,
When the next scene is selected in the scene of the distributor terminal 2, the distributor terminal 2 transmits the scene number (for example, when the content content C is changed) and the update instruction to the distribution service site 28 (d18).

On the other hand, the hidden frame D of the viewer terminal 28
Notifies the distribution service site 25 of the rereading of the frame D (d31). The distribution service site 25 transmits the update information to the client (d32).

When the frame D receives this update information and the frame C is changed, Javascript is activated and the reloading of the frame C is transmitted to the distribution service site 25 via the browser. (D33, d34, d35, d36).

Next, the browser sends a request to send the changed chart, which is the frame C, to the distribution service site 25 to receive the changed chart and display it on the screen (d).
37, d38).

Next, when the frame D reaches a certain time,
Send a reload of frame D to the distribution service site (d
39), if there is no change information, the distribution service site 25 notifies that there is no change (d40). At this time, as shown in FIG. 10, since there is no update request from the distributor side, no change is notified. Then, when the change notification indicates that there is no change, the viewer-side terminal 25 does nothing until a certain period of time elapses.

Next, the processing of the server at this time will be described below with reference to the flowchart of FIG.

As shown in FIG. 11, when the update content judgment unit 23 of the distribution service site 25 receives a request for a hidden frame D from a client (S30), it creates a frame D for nothing (S31).

Next, the scene number M (for example, scene 0003) from the distributor is set, and the current scene number is read from the access history table 22 and set (N ←
Current scene: For example, scene 0002) (S3
2).

Next, the updated content determination section determines the scene N (scene 0002) and the scene M in the scene table 20.
(Scene 0003) is compared (S33), and if there is no difference, a frame D for which nothing is done is transmitted (S3).
4).

If it is determined in step S33 that they are different, the video sources are compared (S35), and if they are different, a reload command for frame A is added to frame D (S36).

Next, the explanatory texts (contents B) of scene N (scene 0002) and scene M (scene 0003) in the scene table are compared (S37). If they are different, frame D is replaced by frame B. A reload instruction is added (S38).

Further, the charts (content C) of scene N (scene 0002) and scene M (scene 0003) in the scene table are compared (S39), and if they are different, a reload command of frame C is issued to frame D. Add (d40).

Further, the frame D in which the reload command in steps 36, 38 and 40 is written is transmitted (S41).

In the present embodiment, as shown in FIG. 6, the chart of scene 0002 is "charet1.peg", and the chart of scene 0003 is "charet3.peg".
Therefore, the chart C of 0003 is transmitted.

The present embodiment does not use an applet, and thus has the advantage of being less dependent on the usage environment.

[0111]

As described above, according to the present invention, when a distributor sends a request for updating the content of a scene of a program to a server, the server changes (changes) the scene in response to an update inspection request from a client. Content) to the client. Further, the viewer terminal reloads only the content changed according to the response result, and the browser automatically updates the content of the frame.

Therefore, even if the distributor changes the content of the scene, only the content is transmitted to the viewer terminal, so that the communication traffic of the server is reduced and the content is changed at the viewer terminal. Since only the content is displayed on the screen, it is possible to suppress the flickering of the entire screen.

On the viewer side, when the distributor changes the content as the lecture progresses, only the changed content is displayed on the viewer terminal, so that the real-time viewing is possible. Has been.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of a content distribution system according to a first embodiment.

FIG. 2 is an explanatory diagram of each table of a distribution service site.

FIG. 3 is a sequence diagram illustrating the operation of the first embodiment.

FIG. 4 is a sequence diagram illustrating the operation of the first embodiment.

FIG. 5 is a flowchart illustrating an operation of setting a scene of a distribution service site.

FIG. 6 is an explanatory diagram illustrating each table of scene setting of a distribution service site.

FIG. 7 is a flowchart illustrating an operation of the distribution service site according to the first embodiment.

FIG. 8 is a schematic configuration diagram of a content distribution system according to the second embodiment.

FIG. 9 is an explanatory diagram of a page according to the second embodiment.

FIG. 10 is a sequence diagram illustrating the operation of the second embodiment.

FIG. 11 is a flowchart illustrating the operation of the server according to the second embodiment.

FIG. 12 is a schematic configuration diagram of a conventional distribution service system.

FIG. 13 is a sequence diagram illustrating an operation of a conventional distribution service system.

FIG. 14 is a sequence diagram illustrating an operation of a conventional distribution service system.

[Explanation of symbols]

1 video camera 2 distributor terminals 10 Delivery service site 11 Viewer terminal 20 scene table 22 Access history table 23 Update Content Judgment Section

Claims (6)

[Claims] 1. A content distribution service method in which a server provides a viewer terminal with a large number of contents displayed as scenes of a program on the screen by the distributor terminal, wherein the distributor terminal On the other hand, while urging the user to input the distribution reservation information of the content of each scene for each program, the server stores the distribution reservation information from the distributor terminal and the program provided to the viewer terminal. Managing a current scene number and a history of distribution of scenes to the viewer terminal, and when there is a distribution request of the program from the viewer terminal,
Providing the file of the page of the content of the program of the distribution reservation information corresponding to the distribution request to the viewer terminal, and managing when the request for changing the content of the scene is transmitted from the distributor terminal. Updating the corresponding content of the distribution reservation information to the content indicated by the change request, and corresponding to the current scene number being managed each time a request for update inspection of the content is received from the viewer terminal. The step of determining from the delivery history whether or not the content of any of the scene numbers in the delivery reservation information is updated, and the updated content when it is determined that the content of the scene of the program is updated Providing only the content to the viewer terminal. 2. The server, in response to a request from the viewer terminal, providing each content for each scene of the distribution reservation information of the program of the distributor terminal to the viewer terminal. The content distribution service method according to claim 1, wherein the content distribution service method comprises: 3. A step of causing the viewer terminal to inquire whether the content of the scene currently being displayed is updated every time the viewer terminal is reached, 3. When it is notified that there is an update, the step of requesting the content again and causing the content to update the content on the screen, the content distribution service method according to claim 1 or 2. 4. When a request for a program is made to the server from the viewer terminal, a content update information request routine and a re-read routine for only updated content are embedded in the initial page of the program. 4. The content distribution service method according to claim 1, 2 or 3, wherein the content is transmitted to the viewer terminal by. 5. A computer while a distributor terminal receives a video signal captured by the image capturing means, the distributor terminal displays the video in a frame of a scene of a program, and displays related contents in another frame. A distribution service system for transmitting to a server via a network, wherein the viewer terminal receives a scene of a desired program from the server via the computer network, wherein the server is configured to receive the program from the viewer terminal. When there is a delivery request,
Means for providing the viewer terminal with a file in the html format of the initial page of the content of the program of the previously stored distribution reservation information corresponding to the distribution request, and a request for changing the content of the scene from the distributor terminal. Means for updating the content corresponding to the delivery reservation information to the content indicated by the change request, and the scene number of the delivery reservation information each time the update inspection request for the content is received from the viewer terminal. Means for determining from the delivery history whether any of the contents of the program have been updated, and when determining that the content of the scene of the program has been updated, only the updated content is provided to the viewer terminal. Means, the viewer terminal is provided with at least a browser function, and the current time is set in the server at regular intervals. Whether there is an update of the content of the scene you are viewing to query using the browser function, when it has been informed that there is an update of the content, requesting the content,
A content distribution system comprising: an automatic updating unit that updates the content of the screen with each content by the browser function. 6. The server, when there is a request for a program from the viewer terminal, the server requests an update request routine for updating the content on the initial page of the program at regular intervals, and only the updated content is requested. The content distribution system according to claim 5, wherein a reloading routine is embedded and transmitted to the viewer terminal.