JP4196689B2 - Content distribution system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a technology for producing content including stream data representing video or audio, and in particular, produces content by dynamically linking a plurality of stream data so that continuous reproduction is possible based on a keyword received from a user. The present invention relates to a content production apparatus.
[0002]
[Prior art]
Recently, there is a service for distributing multimedia content (hereinafter simply referred to as content), which is stream data such as video and music, including a sponsor's CM (commercial message) to users free of charge via the Internet. Yes. In order to realize free provision of content that meets the user's request, a content distribution system that organizes and distributes content according to the user's request is currently being researched.
[0003]
In conventional television broadcasts and radio broadcasts, broadcasters have decided the arrangement of CMs in consideration of the program structure and story development. In the content distribution system, the arrangement of programs and CMs is automatically performed. A method of determination is incorporated.
As a method for automatically determining the arrangement of programs and CMs, for example, in the following patent document, information indicating a position where CM insertion is recommended is added to program data in advance, and the program data indicated by such information is displayed. A CM insertion method for inserting and coupling CM data at a position on the reproduction time axis is shown. As a result, a CM can be automatically inserted at an appropriate location in the program.
[0004]
[Patent Document 1]
Japanese Patent No. 3315928
[0005]
[Problems to be solved by the invention]
However, even if a CM is inserted at an appropriate place in the program by the CM insertion method, the contents of the program and the CM are completely different, so sudden switching from the program to the CM may make the user viewing the content uncomfortable. Can be considered.
An object of the present invention is to provide a content distribution system that switches between a program and a CM included in content so as not to make the user who views the content uncomfortable.
[0006]
[Means for Solving the Problems]
  In order to achieve the above object, the content distribution system according to the present invention provides stream data.And attribute information indicating the attribute of the stream data,A plurality of storage means, a receiving means for receiving content request information from a user terminal, and a plurality of storage requests from the storage means according to the content request information received by the receiving meansAboveExtraction means for extracting stream data;In the extraction means, when combining the plurality of extracted stream data so as to form a series of stream data, the attribute information corresponding to the two stream data to be combined is referred to, and only one of the attribute information is referred to Is a stream data having a specific attribute, a determination unit that determines to add a transition effect to a combined portion of two corresponding stream data, a personal information storage unit that stores personal information of each user, The selection means for selecting the type of the transition effect to be added according to personal information, and the extraction means combine the plurality of extracted stream data into a series of stream data, and are selected by the selection means. When the transition effect is added by the determining means, The coupling portions of the two stream data said appropriate that cormorants decision was made, and coupling means for adding,Distribution means for delivering the stream data combined by the combining means to the user terminal.
[0007]
Here, the transition effect refers to a special effect for realizing smooth switching of video or sound. As a specific example of the transition effect, when switching from scene A to scene B in video, Fade in to switch the scene by gradually lowering the image brightness of A and gradually increasing the image brightness of scene B of black color with the decreased image brightness to the normal image brightness.・ Out effects are listed. In addition, there are transition effects such as wipe-in / out and dissolve.
[0008]
  With this configuration, under the condition that the program data and the CM data are combined, a transition effect is added to the combined portion. Therefore, switching from the program to the CM becomes smooth, and the user who views the content becomes uncomfortable. It can be avoided.
  The content distribution method according to the present invention includes a reception step of receiving content request information from a user terminal, and stream data according to the content request information received in the reception step.And attribute information indicating the attribute of the stream data,Multiple storage means from multiple storage meansAboveWhen combining a plurality of stream data extracted in the extraction step and a plurality of stream data extracted in the extraction step into a series of stream data, refer to attribute information corresponding to the two stream data to be combined If only one of the attribute information is stream data of a specific attribute, a determination step for determining to add a transition effect to the combined portion of the corresponding two stream data;A selection step of selecting the type of the transition effect to be added according to the personal information stored in the personal information storage means storing the personal information of each user, and the plurality of streams extracted in the extraction step Combining the data, and adding the transition effect selected in the selection step to the corresponding combining part determined to add the transition effect in the determination step;A distribution step of distributing the stream data combined in the combining step to the user terminal.
[0009]
Further, the present invention may be a computer program including each step of the content distribution method, or may be a recording medium on which the computer program is recorded.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of a content distribution system according to the present invention will be described with reference to the drawings.
<Configuration>
FIG. 1 is a diagram illustrating a functional configuration of the content distribution system 100.
[0011]
The content distribution system 100, the user terminal device 10, and the user terminal device 11 perform bidirectional communication via the network 20. Although not shown in FIG. 1, the user terminal device is assumed to have a plurality of thousands to tens of thousands.
The user terminal device 10 and the user terminal device 11 have a communication function, a content reproduction function, and a user interface function, and are specifically a personal computer, a portable terminal, and the like.
[0012]
The content distribution system 100 receives the content request information transmitted from each user terminal device, automatically organizes the content according to the content request information, and sends the content request to the user terminal device that has transmitted the content request information. To deliver.
The contents here are stream data such as moving pictures and music, and the data contents include programs requested by the user, CMs of sponsors, and the like. The number of sponsor CMs included in the content varies according to the price paid by the user for the content. The content distributor distributes the correspondence table between the number of CMs included in the content and the content price to the user in advance, and the user determines the price to pay for the content with reference to the correspondence table.
[0013]
The content distribution system 100 includes a distribution server 101, a content production device 103, and an operator terminal device 111.
The distribution server 101 is constructed by a plurality of computers so that it can sufficiently cope with a large number of simultaneous accesses. The distribution server 101 transmits a function for receiving various information (for example, content request information) transmitted from each user terminal device and information necessary for content organization to the content production device 103, and as a result, the content production device 103. A function for receiving and storing the output content, and a function for streaming distribution of the stored content to the user terminal device based on various stream control information in accordance with RTSP (Real-Time Streaming Protocol).
[0014]
In the user information storage unit 102, personal information of the user (ID, password, name, age, gender, address, credit card number used for payment, etc.) is stored in a database, and these information are It is used for authentication when there is an access from the user terminal device and for payment for content.
The content production device 103 is a computer including a CPU, an input / output unit, a memory, a hard disk, and the like. Functionally, the content production device 103 is an input / output unit 104, a program data storage unit 105, a CM data storage unit 106, and a CM addition determination unit 107. , A search unit 108, a combining unit 109, and the like.
[0015]
The input / output unit 104 has a function of inputting / outputting various data.
The program data storage unit 105 is a large-capacity storage medium such as a hard disk, and stores a plurality of program data in a database together with index information. Input of program data and index information to the program data storage unit 105 is performed by an operator operating the operator terminal device 111.
[0016]
The CM data storage unit 106 is a large-capacity storage medium such as a hard disk similar to the program data storage unit 105, and stores a plurality of CM data in a database together with index information. The input of CM data and index information to the CM data storage unit 106 is the same as the input of program data.
The CM addition determining unit 107 determines whether or not to add a CM to the content to be distributed based on the price information included in the content request information. When adding a CM, the CM addition determining unit 107 has a function of setting the number of CMs to be added. Have.
[0017]
Based on the keyword information included in the content request information and the number of CMs set by the CM addition determining unit 107, the search unit 108 retrieves the corresponding program data from the program data storage unit 105 and the corresponding data from the CM data storage unit 106. It has a function to search CM data by keyword. The search unit 108 extracts the detected program data and CM data from each storage unit and transmits them to the combining unit 109.
[0018]
The combining unit 109 has a function of combining the stream data extracted by the search unit 108 and a transition effect processing unit 110 that is a functional unit for adding a transition effect to the combined part of the stream data. The stream ID is described in the program data and the CMID is described in the index information of the CM data, and the combining unit 109 combines the stream data based on the index information of each stream data. For example, the CMID also serves as information indicating that the stream data is CM, and the combining unit 109 refers to the index information and if only one of the two stream data to be combined is CM data, A decision is made to add a transition effect to the joint.
[0019]
On the other hand, a transition effect is not added to the connection portion between program data and CM data.
The type of transition effect to be added is determined based on identification information for identifying the type of transition effect described in the video switching or audio switching item of the index information of the program data.
[0020]
The operator terminal device 111 is a terminal device used for writing program data, CM data, and index information in each storage unit of the content production device 103, and is connected to the content production device 103 via a LAN. The operator terminal device 111 takes in program data and CM data via a CD-ROM reader, a DVD-ROM reader, a USB terminal, a LAN terminal, or the like provided in the operator terminal device 111.
<Data>
Next, various data handled by the content distribution system according to the present invention will be described.
[0021]
FIG. 2 is a diagram showing a plurality of index information and stream data stored in each storage unit of the content production apparatus 103. Stream data, which is program data or CM data, is stored in association with index information as shown in the figure.
<Program data index information>
FIG. 3 is a table showing a specific example of the contents described in the index information of the program data. The index information of the program data includes various information such as a stream ID, playback time, CM insertion allowable time, video switching, audio switching, recording date, keyword, and the like. Create using.
[0022]
The stream ID 301 is a unique number assigned in the order written in the program data storage unit 105.
The reproduction time 302 is the reproduction time of program data, and is expressed in units of hours, minutes, and seconds.
The CM insertion allowable time 303 is a time position on the reproduction time axis of the program data, which is determined by an operator to view the program data and insert a CM, and includes hour, minute, and second. Expressed in units. The scene in which it is recognized that a CM may be inserted is, for example, when a player changes the offense and defense in baseball. When a CM is inserted at the time position of the program data indicated by the CM insertion allowable time 303, the combining unit 109 divides the program data into two at the data position corresponding to the time position, and between the two program data. CM data is combined.
[0023]
The video switch 304 is identification information of a video transition effect added to the combined portion when program data and CM data are combined. There are types such as fade-in / out and wipe-in / out.
The audio switch 305 is identification information of an audio transition effect added to the combined portion when combining program data and CM data. There are types such as fade-in / out and sustain.
[0024]
The recording date 306 is a date recorded in the program data storage unit 105 and is expressed in units of year, month, and day. When a plurality of program data are detected by the search unit 108, the combining unit 109 combines these program data with the oldest recording date in the playback order.
The keyword 307 is a keyword related to program data.
[0025]
Here, the creation of the index information of the program data by the operator will be specifically described. First, the operator activates application software dedicated to index creation of program data installed in the operator terminal device 111, and loads the program data into the operator terminal device 111.
FIG. 4 is a GUI (Graphical User Interface) window for the operator to create index information of program data taken into the operator terminal device 111.
[0026]
The GUI window 400 includes a video display unit 401, a program data operation button 402, a mouse pointer 403, a CM insertion allowable pointer 404, a CM insertion allowable time field 405, a video switching selection field 406, an audio switching selection field 407, a keyword input field 408, and It consists of a determination button 409.
The video display unit 401 displays the frame picture at the program data track position indicated by the CM insertion permission pointer 404.
[0027]
The program data operation buttons 402 are a plurality of button groups including buttons such as play, pause, stop, back skip, front skip, and volume control.
The mouse pointer 403 is a pointer that moves in conjunction with the movement of the mouse provided in the operator terminal device 111.
The CM insertion permission pointer 404 moves to the left and right in conjunction with the pressing of the left arrow key and right arrow key of the keyboard of the operator terminal device 111, and points to the playback time position in the program data track representing the program data on the time axis. It is. It is also possible to operate with a mouse. The operator can designate the time position where the insertion of the CM is permitted by operating the CM insertion permission pointer 404.
[0028]
The CM insertion allowable time field 405 is a field for accepting an input of the CM insertion allowable time from the operator, and displays the reproduction time position of the program data track indicated by the CM insertion allowable pointer 404 when the time is not input. When the time is input, a frame picture of the input reproduction time is displayed on the screen 401.
[0029]
The video switching selection field 406 is a field for receiving selection of a video transition effect. When the inverted triangle button is pressed, a list of selectable transition effects is displayed in a list, and the operator can select one transition effect from the displayed list.
The audio switching selection field 407 is a field for receiving selection of an audio transition effect. Similar to the video switching selection field 406, when an inverted triangle button is pressed, a list of selectable transition effects is displayed in a list, and the operator can select one transition effect from the displayed list.
[0030]
The keyword input field 408 is a field that accepts input of keywords related to program data, and the operator can input a plurality of keywords.
The decision button 409 is a button for deciding to store the information input in the various fields as index information. When the enter button 409 is pressed, the fetched program data and index information are stored in association with the program data storage unit 105.
[0031]
<CM data index information>
Next, the index information of CM data will be described. FIG. 5 is a table showing specific examples of contents described in the index information of CM data. The index information of the CM data includes various information such as CMID, reproduction time, and keyword, and these information are created by the operator using the operator terminal device 111.
[0032]
The CMID 501 is a unique number given in the order written in the CM data storage unit 106 and includes character information “CM” indicating CM data, and is used as attribute information.
A keyword 502 is a keyword requested by a CM sponsor. For example, in the case of sports drinking water CMs, keywords such as sports, baseball, soccer, tennis, etc. are input so as to be combined with sports-related program data.
[0033]
The playback time 503 is the playback time of CM data, and is expressed in units of hours, minutes, and seconds.
<Price list>
Next, the contents price list will be described. FIG. 6 is a diagram showing an example of a price table. According to the price table 601, when the user does not pay for the content at all, the number of added CMs is 5, and as the price paid by the user increases by 100 yen, the number of CMs becomes 1 If the user pays up to 500 yen each time, no CM is added.
[0034]
<Content request information>
Next, content request information transmitted from the user terminal device to the distribution server 101 will be described.
When a user requests content from the content distribution system 100, first, the application software dedicated to the content request installed in the user terminal device is activated. FIG. 7 is a GUI window displayed on the display of the user terminal device when the application software is activated.
[0035]
The GUI window 730 includes a content keyword input field 701, a price input field 702, and a send button 703.
The content keyword input field 701 is a field for receiving an input of a keyword related to the content from the user. The user can input a plurality of keywords by inserting a space between the keywords.
[0036]
The price input field 702 is a field for accepting an input of an amount that the user thinks the user can pay for the content. Since the price table as shown in FIG. 6 is sent in advance from the content distributor to the user, the user can determine the price to pay for the content by looking at the price table.
The transmission button 703 is a button for determining that the information input in the content keyword input field 701 and the price input field 702 is included in the content request information and transmitted.
[0037]
Next, the configuration of information included in the content request information will be described. FIG. 8 is a diagram showing a configuration of information included in the content request information.
The distribution server address 801 is an IP address of a distribution server that is a transmission destination.
The terminal address 802 is an IP address of a user terminal device that is a transmission source.
[0038]
The keyword information 803 is a keyword input by the user.
The price information 804 is an amount entered by the user.
<Operation>
Next, the operation of the content distribution system 100 will be described. FIG. 9 is a flowchart showing processing performed by the content distribution system 100.
[0039]
First, the distribution server 101 receives content request information transmitted from the user terminal device (step S1). The keyword and price information included in the received content request information are transmitted to the content production apparatus 103.
The CM addition determination unit 107 of the content production apparatus 103 determines whether or not to add a CM to the content and sets the number of CMs to be added based on the transmitted price information (step S2).
[0040]
When it is determined to add the CM to the content (step S3: YES), the search unit 108 searches the CM data storage unit 106 based on the keyword information, and extracts the set number (step S4). ). Then, it moves to step S5.
If it is determined in step S3 that no CM is added to the content (step S3: NO), the process proceeds to step S5.
[0041]
In step S5, the search unit 108 searches and extracts program data from the program data storage unit 105 based on the keyword information. The extracted stream data are combined by the combining unit 108 (step S6).
When combining program data and CM data in combining each stream data (step S7: YES), the transition effect processing unit 110 adds a transition effect to the combined part (step S8). In the case of combining program data or CM data (step S7: NO), the transition effect processing unit 110 does not add a transition effect to the combined portion. The combined stream data is output to the distribution server 101.
[0042]
The distribution server 101 stores the content output from the content production device 103, and distributes the content to the user terminal device that transmitted the content request information (step S9).
FIG. 10 is a diagram schematically illustrating an example of content output from the content production apparatus 103. The content 1000 includes program data 1, program data 2, CM data, and the like. The CM data is inserted and coupled at a data position indicated by a CM insertion allowable time described in the index information of the program data 2. A transition effect 1001 and a transition effect 1002 are added to the connection portion between the program data 2 and the CM data.
[0043]
The transition effect 1001 and the transition effect 1002 are added with the transition effect indicated by the identification information described in the video switching and audio switching items of the index information of the program data 2.
<Other variations>
Note that the present invention is not limited to the above-described embodiment, and the following modifications may be considered.
(1) In the above-described embodiment, the content distribution system 100 has been described as a system including the content production device 103, the distribution server 101, and the operator terminal device 111. However, each functional unit has one of the devices in the system. For example, the distribution server 101 may include the search unit 108. Moreover, the content delivery system which concerns on this invention may be comprised with one apparatus.
(2) In the above embodiment, when program data and CM data are combined, the transition effect indicated by the identification information described in the video switching and audio switching items of the index information of the program data is added. However, the present invention is not limited to this, and the type of transition effect may be selected based on personal information stored in the user information storage unit 102. For example, if the user is 20 years old or younger, the spiral transition effect is selected, and if the user is 20 years old or older, the wipe-in / out transition effect is selected.
[0044]
Further, the user terminal device may accept the selection of the type of transition effect from the user and add the selected transition effect.
(3) In the above embodiment, only one CM insertion allowable time can be set for one program data. However, a plurality of CM insertion allowable times may be set. Further, it may be possible to set video switching and audio switching corresponding to each set CM insertion allowable time.
(4) In the above embodiment, the CM data is searched and extracted based on the keyword sent from the user terminal device. However, the present invention is not limited to this, and the personal information stored in the user information storage unit 102 is used. The CM data may be searched and extracted based on the content, or the CM data uniquely determined by the content distributor may be added to the content.
(5) The processing procedure (such as the procedure shown in FIG. 9) of the content distribution system 100 shown in the above embodiment may be an invention of a content distribution method. Further, the present invention may be a computer program that causes a computer to realize the content distribution method, or may be a digital signal composed of the computer program.
(6) The present invention relates to a computer-readable recording medium such as a flexible disk, hard disk, CD-ROM, MO, DVD, DVD-ROM, DVD-RAM, BD (Blu-ray). Disc) or recorded in a semiconductor memory or the like.
(7) The present invention may transmit the computer program or the digital signal via an electric communication line, a wireless or wired communication line, a network typified by the Internet, or the like.
[0045]
【The invention's effect】
  As is clear from the above description, the content distribution system according to the present invention provides stream data.And attribute information indicating the attribute of the stream data,A plurality of storage means, a receiving means for receiving content request information from a user terminal, and a plurality of storage requests from the storage means according to the content request information received by the receiving meansAboveExtraction means for extracting stream data;In the extraction means, when combining the plurality of extracted stream data so as to form a series of stream data, the attribute information corresponding to the two stream data to be combined is referred to, and only one of the attribute information is referred to Is a stream data having a specific attribute, a determination unit that determines to add a transition effect to a combined portion of two corresponding stream data, a personal information storage unit that stores personal information of each user, The selection means for selecting the type of the transition effect to be added according to personal information, and the extraction means combine the plurality of extracted stream data into a series of stream data, and are selected by the selection means. When the transition effect is added by the determining means, The coupling portions of the two stream data said appropriate that cormorants decision was made, and coupling means for adding,Distribution means for delivering the stream data combined by the combining means to the user terminal.
[0046]
  As a result, under the condition that program data and CM data are combined, a transition effect is added to the combined portion, so that switching from the program to CM becomes smooth and makes the user viewing the content uncomfortable. Can be lost.
[0047]
  Also,If only one of the two stream data to be combined is stream data having a CM attribute, the transition effect is added to the combined portion, so the switching between the program and CM becomes smooth, and the user who views the content Can be made uncomfortable.
  The specific attribute is a CM attribute indicating that the stream data is a CM, and the content request information includes price information indicating an amount paid by the user for the content requested by the user. Setting means for setting the number of CM attribute stream data to be extracted from the storage means according to the information, wherein the extraction means stores the CM attribute stream data by the number set by the setting means; It is good also as extracting from a means.
[0048]
Thus, the number of CMs added to the content is set according to the price paid by the user for the content. If the number of CMs is 0, there is no combination of the program and the CM, so the transition effect is not added.
[Brief description of the drawings]
FIG. 1 is a diagram illustrating a functional configuration of a content distribution system.
FIG. 2 is a diagram illustrating a configuration of stream data and index information.
FIG. 3 is a table showing specific examples of contents described in index information of program data.
FIG. 4 is a GUI window displayed on the display of the operator terminal device.
FIG. 5 is a diagram illustrating a data structure of data stored in a CM data storage unit.
FIG. 6 is a table showing a specific example of contents described in the index information of CM data.
FIG. 7 is a GUI window displayed on the display of the user terminal device.
FIG. 8 is a diagram showing various pieces of information constituting content request information.
FIG. 9 is a flowchart showing the operation of the content distribution system.
FIG. 10 is a conceptual diagram of content in which a transition effect is added to a combined portion of program data and CM data.
[Explanation of symbols]
10, 11 User terminal device
20 network
100 Content distribution system
101 Distribution server
102 User information storage unit
103 Content production device
104 I / O section
105 Program data storage unit
106 CM data storage unit
107 CM addition decision section
108 Search part
109 joint
110 Transition effect processing section
111 Operator terminal device

Claims (9)

Storage means for storing a plurality of stream data and attribute information indicating attributes of the stream data;
Receiving means for receiving content request information from the user terminal;
Extracting means for extracting a plurality of the stream data from the storage means according to the content request information received by the receiving means;
When combining the plurality of extracted stream data into a series of stream data in the extraction unit, the attribute information corresponding to the two stream data to be combined is referred to, and only one of the attribute information is referred to If the stream data has a specific attribute, a determination unit that determines to add a transition effect to the combined portion of the two corresponding stream data;
Personal information storage means for storing personal information of each user;
Selection means for selecting the type of the transition effect to be added according to the personal information;
The extraction unit determines that the plurality of the extracted stream data are combined into a series of stream data, and the transition effect of the type selected by the selection unit is added to the transition effect by the determination unit. the coupling portions of the two stream data said appropriate that made, and coupling means for pressurizing with,
Distribution means for distributing the stream data combined by the combining means to the user terminal;
A content distribution system comprising:   2. The content distribution system according to claim 1, wherein the specific attribute is a CM attribute indicating that the stream data is a CM. The content request information includes price information indicating an amount paid by the user for the content requested by the user,
Further comprising setting means for setting the number of stream data of the CM attribute extracted from the storage means according to the price information;
The extraction unit extracts the CM attribute stream data from the storage unit by the number set by the setting unit;
The content distribution system according to claim 2, wherein: In the storage means, identification information for identifying the type of the transition effect is stored in association with each stream data that is not the CM attribute,
The combining means uses identification information associated with stream data that is not a CM attribute of the two stream data to be combined with the corresponding combined portion for which the decision to add the transition effect is made by the determining means. Add the transition effect shown,
The content distribution system according to claim 3. The storage means stores position information indicating a position on the stream data reproduction time axis at which insertion of a CM is allowed to be associated with stream data that is not a CM attribute,
The combining means inserts and combines the stream data of the CM attribute preferentially at the position indicated by the position information;
The content distribution system according to claim 1. The content request information includes keyword information related to the content requested by the user,
The storage means stores a keyword related to each stored stream data in association with the stream data,
Further comprising search means for searching the storage means for stream data related to the keyword based on the keyword information,
The extraction means extracts the stream data detected by the search means from the storage means;
The content distribution system according to claim 1, wherein the content distribution system is a content distribution system. A reception step for receiving content request information from the user terminal;
An extraction step of extracting a plurality of stream data from storage means storing a plurality of stream data and attribute information indicating attributes of the stream data in accordance with the content request information received in the reception step;
When combining the plurality of stream data extracted in the extraction step so as to be a series of stream data, the attribute information corresponding to the two stream data to be combined is referred to, and only one of the attribute information is If it is stream data of a specific attribute, a determination step for determining to add a transition effect to the combined portion of the corresponding two stream data;
A selection step of selecting the type of the transition effect to be added according to the personal information stored in the personal information storage means storing the personal information of each user;
Combining the plurality of stream data extracted in the extraction step;
A combination step of adding the transition effect selected in the selection step to the corresponding combination portion determined to add the transition effect in the determination step;
A distribution step of distributing the stream data combined in the combining step to the user terminal;
A content distribution method comprising: A computer program used for a content distribution system including a CPU,
A reception step for receiving content request information from the user terminal;
An extraction step of extracting a plurality of stream data from storage means storing a plurality of stream data and attribute information indicating attributes of the stream data in accordance with the content request information received in the reception step;
When combining the plurality of stream data extracted in the extraction step so as to be a series of stream data, the attribute information corresponding to the two stream data to be combined is referred to, and only one of the attribute information is If it is stream data of a specific attribute, a determination step for determining to add a transition effect to the combined portion of the corresponding two stream data;
A selection step of selecting the type of the transition effect to be added according to the personal information stored in the personal information storage means storing the personal information of each user;
Combining the plurality of stream data extracted in the extraction step;
A combination step of adding the transition effect selected in the selection step to the corresponding combination portion determined to add the transition effect in the determination step;
A distribution step of distributing the stream data combined in the combining step to the user terminal;
A computer program comprising:   A recording medium on which the computer program according to claim 8 is recorded.

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