JP2002189480A - Distribution intermediation system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a distribution intermediation system through which the terminal of a user side can efficiently receive desired distribution data from blooding distribution sites for multimedia such as music. SOLUTION: The distribution intermediation system 1 which is connected to a plurality of distribution sites 2 having multimedia data and a terminal 3 so as to transmit data and which transfers the multimedia data distributed from the distribution sites to the terminal is provided with a data control means 11 which stores and manages the multimedia data distributed from the distribution sites, a format conversion means 12 which converts the format of the multimedia data stored in the data control means according to an implementation specification in the terminal before transmitting the data to the terminal, and a charging settlement means 13 which manages charging to the terminal for the multimedia data transferred to the terminal and a settlement to the distribution site.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to character data, music data, image data, moving image data, or data obtained by integrating any or all of these data (hereinafter, these data are referred to as multimedia data). The present invention relates to a distribution mediation system that is connected to a plurality of distribution sites having the same (collectively referred to as “multiple distribution sites”) and a terminal that requests multimedia data so that data transmission is possible, and that transfers multimedia data distributed from the distribution site to the terminal. In particular, the present invention relates to a distribution mediation system used to obtain multimedia data (in this case, music data) as source data from a music distribution site when a multimedia CD or the like is produced on a terminal side.

[0002]

2. Description of the Related Art In recent years, the wave of digitization at the user level has surged in many fields, and in the case of music, editing music using digital data, or using a digital camera as well as an optical silver halide camera. The image of the subject captured using the camera is also converted into digital data by the scanner, making it easy to edit freely. The edited music data and image data can be viewed and listened to by a personal computer or mobile terminal. be able to.

[0003] From such a technical background, for example, in the photographic development industry, photographed image data obtained by developing a photographed photographic film received from a customer and then reading the photographed image with a film scanner, and a digital camera. The captured image data directly transferred from the flash memory mounted on the PC is recorded on a recording medium such as a CD-R, and the customer who brought back the recording medium can organize and store the captured image while viewing the captured image on the PC screen. A service that can be sent to friends via e-mail has appeared.

[0004] However, simply looking at the displayed photographed image based on the photographed image data recorded on the recording medium is the same as turning over an old-fashioned photo album, and has been digitalized. As the way to enjoy photo images is not enough, the next service is to combine digital image data with music data of your favorite songs and image data such as your favorite illustrations in some cases. It has been considered to create a multimedia CD such as a CD. At that time, it is necessary to prepare a huge variety of music data and image data in order to meet each customer's preference regarding the songs and illustrations that are additionally combined,
It is almost impossible to prepare at the individual or individual store level (for example, at each DP store level).

[0005]

SUMMARY OF THE INVENTION In order to solve this problem, only a music distribution site that handles multimedia data, such as a music distribution site using a communication network such as the Internet, is used to obtain only the music data of the required music. For example, current music distribution sites are scattered by music maker series, and their data (compression) formats, protection methods, billing and settlement methods, and the like are all different, and individuals and personal shops Dealing with all of these at the level (for example, at each DP store level) is a significant work and cost burden.

In view of the above situation, an object of the present invention is to provide a distribution mediation system that enables a user-side terminal to efficiently receive desired distribution data from a multimedia distribution site for disturbed music or the like. is there.

[0007]

In order to solve the above-mentioned problems, a plurality of distribution sites holding multimedia data and a terminal requesting the multimedia data are connected so as to be capable of data transmission and distributed from the distribution site. In one delivery mediation system according to the present invention for transferring the transferred multimedia data to the terminal, charging the multimedia data transferred to the terminal to the terminal and charging for managing the payment to the distribution site In another distribution mediation system, a data management means for storing and managing multimedia data distributed from the distribution site, and a multimedia data stored in the data management means are provided. Format before the transfer to the terminal according to the implementation specifications at the terminal. It has the features and a format converting means for. Of course, a distribution mediation system having the above two features at the same time is also proposed by the present invention.

In such a configuration, the distribution mediation system located between the distribution site and the user terminal temporarily mediates the multimedia data from the distribution site, and if necessary, converts the multimedia data into a format desired by the terminal. After the conversion, it can be transmitted to the terminal. Further, in the case where the distribution mediation system takes over the payment of the multimedia data transmitted to the terminal to the distribution site, the terminal only needs to pay the distribution mediation system for the acquisition cost of the multimedia data. by this,
Even if the distribution site is overcrowded and the format of multimedia data distributed and the billing and settlement method are different, the user side terminal is in a uniform procedure and the desired format from the distribution mediation system as the only access destination Can obtain the data of the required title.

Such a distribution mediation system creates a photo album CD with music (or a similar recording medium) by combining digitized photographed image data with music data of a song that the customer likes as described above. When specialized for use from the terminal of the DP shop that performs the service, the system can transmit data to a plurality of music distribution sites holding music data as one of the multimedia data and terminals that request the music data. Data management means for storing and managing the music data distributed from the music distribution site, and transferring the music data distributed from the music distribution site to the terminal. Before transferring the music data stored in the data management means to the terminal, format the music data in accordance with the implementation specification at the terminal. And format conversion means for conversion, a billing and settlement unit is provided for managing settlement to billing and the delivery site to the terminal for the music data transferred to the terminal. Thereby, all the advantages of the present invention described above can be enjoyed.

In one preferred embodiment of the present invention, there is provided a terminal profile management means for managing a terminal profile describing an execution specification of the terminal. As a result, the distribution mediation system can know from the terminal profile how the terminal that has requested acquisition of the data held by the distribution site uses the data, so that format conversion and protection according to the format can be performed. Processing or billing settings can be performed, and the convenience on the terminal side is improved.

[0011] In another preferred embodiment of the present invention, the data management means includes a distribution site profile for managing a distribution site profile describing the type and format of data held in the distribution site. A management unit is provided. With this configuration, it is possible to immediately understand from the distribution site profile what data and format the disturbed distribution site has, so it is possible to quickly respond to any data acquisition request from the terminal. it can.

[0012] Further, an index file for managing an index file describing a title of the data held at the distribution site, the data stored in the data management means, or both data, in the data management means. If the management unit is provided, the data requested from the terminal can be searched, extracted, and transferred at high speed. At this time, if the distribution mediation server functions as a proxy server for multimedia data such as music data and image data held at the distribution site, data that is frequently requested or expected to be distributed is transmitted to the distribution mediation system. , So that the terminal can be quickly serviced for the request.

At this time, if at least a part of the index file is converted to HTML and transmitted to the terminal, a list of data which can be promptly handled by the distribution mediation system on the terminal side is viewed using a WWW browser. Can make data selection easier. Also, the H
By devising the TML document and extracting the data selected by the terminal from the data displayed in the list by using a technology such as CGI, the user interface for data selection is further improved.

Other features and advantages according to the present invention will become apparent from the following description of embodiments with reference to the drawings.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Character data, music data, image data, moving image data, or data obtained by integrating any or all of these data (hereinafter, these data are collectively referred to as multimedia data) will be described. A plurality of multimedia distribution sites 2 owned, a terminal 3 that desires to acquire such multimedia data, and a distribution mediation system that transfers data distributed from the distribution site 2 to the terminal 3 1 and the Internet 4
1 are schematically shown in FIG. The distribution site 2 includes a large number of music distribution sites that are scattered by music maker series, and image distribution sites that each have characteristic images. As the terminal 3, here,
Handles a terminal 3 arranged in a DP shop that provides a service of creating a photo album CD with music by combining digitized photographed image data with music data of a customer's favorite music as one of the multimedia data. . For this reason, the terminal 3 is a personal computer system linked to a photo processing device called a digital minilab, and has a function of producing a photo album CD with music. Such terminals 3 are arranged in many DP stores.

First, a distribution mediation system 1 will be described with reference to FIG.
An exemplary flow of information between the distribution site 2 and the terminal 3 will be briefly described.

Here, a customer of a DP store brings a photographed film and simultaneously prints a photo album CD with music.
Is ordered, and at this time, the user desires a song "AAA" as the inserted music. First, the terminal 3 accesses the distribution mediation system and requests download of music data of the music piece "AAA"(# 1). In response to a request from the terminal 3, the distribution mediation system 1 accesses the music distribution site 2 holding the data of the music and downloads the music data if the data of the music is not temporarily stored in its own system. Request (#
2). The music distribution site 2 transmits the requested music data (# 3). The distribution mediation system 1 converts the format of the music data acquired by the music distribution site 2 into a format suitable for being handled by the terminal 3 and transfers it to the terminal 3 (# 4). The terminal 3 combines the music data received from the distribution mediation system 1 and the photographic image data digitized from the photographic film received from the customer, creates a photo album with music CD using a CD-R, and provides the customer with the music. Sell (# 5).

The distribution mediation system 1 sends the charging information for the music data transferred online or offline to the terminal 3 (DP shop equipped with the terminal 3) together with the transfer of the music data (# 6). The DP store provided with the terminal 3 pays the fee to the distribution mediation system 1 by the electronic settlement method or the conventional financial settlement method based on the billing information (#
7). Similarly, the billing information on the distributed music data is sent from the corresponding music distribution site 2 to the distribution mediation system 1 in a batch, for example, on a monthly basis, and sent online or offline (# 8). Then, the distribution mediation system 1 pays the fee to the music distribution site 2 by the electronic settlement method or the conventional financial settlement method (# 9).

It is clear from the above description that although the distribution sites 2 are scattered, the music data is edited in different formats, and the billing methods are different, the terminal 3 has It is only necessary to access the distribution mediation system 1 and request to download the desired music data in a desired format without paying any attention, and pay only the fee based on the contract with the distribution mediation system 1. It is.

FIG. 2 schematically shows a typical configuration of a music distribution site as a representative of the multimedia distribution site 2.

Here, the server system of this distribution site is connected via a router 5 to the Internet 4 as a data transmission communication network. The WWW server 20 serves as a gateway to the distribution site 2 and checks whether or not the accessing user is an authorized subscriber in cooperation with the authentication unit 21, and confirms whether a problem has occurred. If not, the browsing of the title of the music data (song) held is permitted, and the selected music data is distributed. The music data itself is stored in the music database 24 managed by the database management unit 23, and is stored in the WWW server 20 via the CGI program.
In response to the request, the corresponding music data is retrieved and extracted, and distributed to the user, here, the distribution mediation system 1. The accounting settlement server 22 issues accounting information relating to the distributed music data, and executes accounting settlement with the distribution mediation system 1 by a known method.

FIG. 3 schematically shows a typical configuration of the distribution mediation system 1 connected to the Internet 4 by a router 5. This distribution mediation system 1
The system also includes a WWW server 10 and functional units associated with the WWW server 10, that is, a data management unit 11, a format conversion unit 12, a billing and settlement unit 13, and a terminal profile management unit 14.

The data management means 11 has a function of downloading desired music data from the distribution site 2 connected to the Internet 4 in accordance with a request from the terminal 3 and transferring the data to the terminal 3. Therefore, the data management means 11 is a file which describes information such as which distribution site 2 has what multimedia data (music, images, etc.) and in what format, and billing and settlement information thereof. Profile 11
d, an index file 11c in which titles of music data held by all accessible distribution sites 2 are described together with their link destinations, and music data downloaded from the distribution sites 2 are temporarily stored. Data storage unit 11b, site profile 1
1d, index file 11c, data storage unit 11
and a data management unit 11a for controlling and managing b.

The data storage section 11b does not always store only music data downloaded from the distribution site 2 every time a request is made from the terminal 3.
In some cases, music data of popular music is stored in the terminal 3
Even if there is no request from the user, the data is stored in advance, and the index file 11c specifies the data storage unit 11b as a link destination of the music data, so that the request from the terminal 3 can be quickly responded. I have. With respect to such music data stored in advance, information on the number of times of transfer to the terminal 3 is transmitted to the corresponding distribution site 2 through the charging and settlement means 13, thereby preventing failure in charging and settlement.

A music title list is created in the form of an HTML document from the transferable music data information described in the index file 11c.
0 can be sent to terminal 3 so that terminal 3
On the side, the user can select desired music data while viewing the list. The style of this list is
It is preferable to be able to arbitrarily select from the syllabary order of the song name or the singer or composer. Therefore, in the index file 11c, not only the song name of the music data but also attribute values such as a singer name and a composer name are described. Since the selected music data is recognized by the WWW server 10, if the music data is temporarily stored in the data storage unit 11b, it is extracted from the music data. Request download of music data.

The format conversion means 12 comprises a format conversion section 12b having various format conversion functions and a format management section 12a for controlling the format conversion section 12b. For example, the format of music data distributed from the music distribution site 2 is M
There are various types such as P3, ATRAC3, TwinVQ, WMA, etc., and the terminal 3 side, that is, the DP store side equipped with the terminal 3, uses an original CD using a CD-R drive, in this case, an extra CD including image data. It is convenient to create music files as WAVE files. For this reason, in consideration of the convenience of the terminal 3, it is desirable that the music data be a WAVE file or a file that has been subjected to a general-purpose compression format. For this reason, the format conversion unit 12b includes a format conversion module that fulfills such a conversion purpose.

If image data is handled, the format of the image data to be distributed is almost unified with JPEG, so conversion of the compression format is almost unnecessary, but conversion of resolution is indispensable. Preferably, the format conversion unit 11b includes a resolution conversion module.

The billing and settlement means 13 comprises a billing and settlement file 13b as an electronic slip recording billing and settlement information, and a billing and settlement management unit 1 for managing the billing and settlement file 13b.
3a. The charging and settlement means 13 executes a charging operation for the terminal 3 to which the music data has been transferred in response to the request and a settlement operation for the DP shop provided with the terminal 3, and performs a charging operation for the music data downloaded from each distribution site 2. It also performs electronic payment for the charging information provided.

The terminal profile management means 14 manages the terminal 3
Terminal profile 1 that describes information on the DP store to which the device belongs and the format of music data that can be handled by the terminal 3
4b and a terminal profile management unit 14a that manages the terminal profile 14b. The format management unit 12a controls the format conversion unit 12b so that the required format conversion module functions based on the allowable format of the music data described in the terminal profile 14b and the format of the distribution music data described in the distribution site profile 11d. I do.

The authentication unit 15 checks whether the terminal 3 that has accessed the distribution mediation system 1 belongs to a DP shop (user) who has a legitimate contract,
It has a function of transmitting a window screen requesting input of a terminal ID and a password to the terminal 3 through the WWW server 10 and comparing the returned terminal ID and the password with the contents described in the terminal profile 14b.

Next, the terminal 3 provided in the DP store will be described. Since this DP store implements a service of producing a photo album CD with music by combining music data with digitized image data, as shown in FIG. 4, the terminal 3 prepares a photo album CD with music. It is configured as one component of the digital minilab system 30 having functions. As is apparent from the functional block diagram of FIG. 5, this digital minilab system 30 selects the name of the customer who requests the production of a photo album with music in addition to the simultaneous printing from normal photographic film, and the music to be combined with the photographed image. The information input unit 31 accepts an input of information necessary for the input, for example, a direct input of a singer name or a song name, and is photographed by a photographic film or a digital camera which has been used for photographing by a silver halide camera and has been developed. A photographed image input unit 32 for acquiring photographed image data from a photographed image storage medium such as a flash memory in which photographed image data is recorded, and a print processing unit 50 for performing image exposure processing and development processing on photographic paper during simultaneous printing. A control unit 40 for performing various data processing and device control when producing a photo album CD with music; Information comprising a music data input unit 33 for downloading music data via the communication line 4 and a CD-R drive 34 for combining photographed image data and music data and recording them on a CD-R medium as a photo album with music. The input unit 31 includes a keyboard and a mouse connected to the CPU as a peripheral device of the control unit 40 and a monitor 40a also serving as a peripheral device of the control unit 40.
Is provided with a touch panel, through which various information is input.

The photographed image input section 32 includes a film scanner 32a for reading a frame image as a photographed image from a photographic film developed by a film developing machine (not shown), and a photographed image directly from a recording medium removed from the digital camera. A media reader 32b for capturing image data is provided. Although not shown here, the photographed image input unit 32 can have a function of receiving photographed image data using data communication, similar to the music data input unit 33.

The print processing unit 50 includes a digital optical print head 51 for exposing a photographic paper based on print data generated by the control unit 40 based on the input photographed image data at the time of simultaneous printing; A development processing section 52 for developing the paper; and a photographic paper which is drawn from a paper magazine 53 and cut by a paper cutter 54 in accordance with a print size and conveyed to a horizontal conveyor 55 through an exposure area and the development processing section 52. A transport mechanism 56 and a sorter 57 that sorts the photographic paper fed from the horizontal feed conveyor 55 into photographic prints on an order basis are provided.

The control unit 40 includes a CPU, a ROM, a RAM,
A microcomputer system including an I / O interface circuit and the like is configured as a core member, and various functions necessary for the music photo album CD producing system are realized by hardware and / or software. The control section 40 has a function of controlling the operation of various members. Here, the main functional elements related to the present invention, particularly relating to the production of a photo album CD with music by combining a photographed image and music. Only this will be described with reference to FIG. Such devices include an input device control unit 41 for controlling input devices such as a touch panel, a film scanner 32a, and a media reader 32b, and music matching a captured image used by processing information input from a keyboard or a touch panel. Music determination unit 4 that determines
2. Various image processing such as level correction and color correction is performed on the input photographed image data to enhance the finish, and the processed photographed image data is subjected to a resolution suitable for a photo album CD with music (usually An image processing unit 43 for converting the image data into a low-resolution image corresponding to a CRT screen; a print control unit 44 for generating print data based on high-resolution photographed image data for photographic printing and controlling a print head 51; A video controller 45 which takes in the image of the image data and the image of other display items into a video memory, converts the display image into a video signal by a video controller and sends it to a monitor 40a, and a photo album under the function of a link forming unit 46a. Low-resolution shot image data and music data for CD are input An authoring unit 46 that combines the information into a file that can be synchronized and reproduced by predetermined multimedia player software, and a music restoration unit 47 that restores the music data for confirmation of the music data and outputs sound from the speaker 40b. , A CD-R drive control unit 48 that controls the CD-R drive 34 and writes an album file with music generated by the authoring unit 46 and additionally high-resolution photographed image data for photo printing onto a CD-R medium. Can be

FIG. 7 shows the flow of photographed image data and music data when a customer who has taken a photographed photo film orders a photo album CD with simultaneous printing and music.
This will be described with reference to FIG.

First, the customer sends an HT message from the distribution mediation system 1.
Using the information input unit 31, a desired music is selected from the music title list sent in the form of the ML document and displayed on the monitor 40a by the WWW browser. Selected music (ID code indicating applicable music data)
Is sent to the distribution mediation system 1 and recorded in the audio determination unit 42. The music data sent from the distribution mediation system 1 is stored in the authoring unit 46 via the music data input unit 33. If necessary, the music data is converted into an analog signal by the music restoring unit 47, and is used for checking. The music can be played from the speaker 40b.

At the same time, the brought-in photographic film 5a is developed by a film processor, converted into a digital image by the film scanner 32a of the photographed image input unit 32, transferred to the image processing unit 43 as photographed image data, and subjected to color correction. Image processing well-known in the field of digital photographic printing such as Further, the photographed image data is subjected to individual photo retouch processing in the image processing unit 43, and is adjusted to a resolution and image size suitable for being displayed on a monitor screen or a TV screen of a personal computer like an electronic slide show. It is converted into so-called low-resolution data and so-called high-resolution data adjusted to a resolution and image size suitable for photo printing. The low-resolution data includes the music data I determined earlier.
The addition of the D code guarantees that the desired music data and the photographic image data are associated with each other and are subjected to the authoring process.

That is, the low-resolution data and the music data downloaded through the music data input unit 33 are reproduced by the authoring unit 46 by synchronizing the music data and the image data in a format like a slide show with background music. It is converted into a multimedia file by being incorporated into a multimedia playback program. A representative example of the multimedia reproduction program is, for example, a director of Macromedia. When only one music data is assigned to a plurality of photographed image frames in the multimedia file, the music data may be restored and the sound may be output together with the reproduction of the photographed image. When assigning different music data to each photographed image frame group or to each photographed image frame, it is necessary to link the photographed image data and the music data with a link code. 46a is provided.

The high-resolution data is sent to the print controller 4.
4 and converted into print data, and by controlling the print head 51, the photographed image is exposed on photographic paper, and finally a normal photographic print is output.

The multimedia file created by the authoring unit 46 is sent to a CD-R drive control unit 48 together with high-resolution data used for photographic printing in some cases, and is converted into a CD format.
The data is written on the CD-R medium by the DR drive 34, and the photo album CD with music is completed. At the time of CD formatting, music data is written to a music track so that music can be reproduced by a normal CD player. Therefore, in the photo album CD with music, the music downloaded from the distribution mediation system 1 can be reproduced like an ordinary music CD.

In the above-described embodiment, the distribution mediation system 1 mediates the music data distributed from the music distribution site 2 and transfers the data to the terminal 3. A photo album CD with music was produced by combining the photo image data prepared in step 1 with the image data. The distribution mediation system 1 includes various multimedia including image data such as illustrations distributed from the image distribution site 2 as well as video data. Since the data can be transferred to the terminal 3, the DP shop equipped with the terminal 3 can also create a multimedia photo album CD by combining the received multimedia data such as music data and image data with the photographic image data. It is possible that the photograph image data itself is obtained from the customer under the mediation of the distribution mediation system 1. The adoption to music with photo albums C
D and a multimedia photo album CD can also be produced.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing the relationship between a distribution mediation system according to the present invention, distribution sites and terminals.

FIG. 2 is a schematic diagram showing a configuration of a distribution site.

FIG. 3 is a schematic diagram showing a configuration of a distribution mediation system.

FIG. 4 is a photo album C with music functioning as a terminal.
D perspective view showing the overall configuration of a digital minilab system with a D production function

5 is a block diagram showing the overall configuration of the digital minilab system shown in FIG.

FIG. 6 is a functional block diagram of a control unit of the digital minilab system according to FIG. 4;

FIG. 7 is a schematic diagram showing the flow of photographed image data and music data when producing a photo album CD with music in the digital minilab system shown in FIG. 4;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Distribution mediation system 2 Distribution site 3 Terminal (digital minilab system provided with music album CD with music function) 4 Internet 10 WWW server 11 Data management means 12 Format conversion means 13 Billing and settlement means 14 Terminal profile management means 15 Authentication section

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Claims (8)

[Claims] An information processing apparatus is connected to a plurality of distribution sites having multimedia data and a terminal requesting the multimedia data so as to be capable of data transmission, and transfers the multimedia data distributed from the distribution site to the terminal. A delivery mediation system, comprising: a billing / payment unit that manages the billing of the multimedia data transferred to the terminal to the terminal and the payment to the delivery site. 2. A distribution site having multimedia data and a terminal requesting the multimedia data are connected so as to be capable of data transmission, and the multimedia data distributed from the distribution site is transferred to the terminal. In the distribution mediation system, a data management unit that stores and manages multimedia data distributed from the distribution site; and that the multimedia data stored in the data management unit is transmitted to the terminal before being transferred to the terminal. And a format conversion means for converting the format in accordance with the format. 3. A multimedia data is connected to a plurality of distribution sites having multimedia data and a terminal requesting the multimedia data so as to be able to transmit data, and the multimedia data distributed from the distribution site is transferred to the terminal. In the distribution mediation system, a data management unit that stores and manages multimedia data distributed from the distribution site; and that the multimedia data stored in the data management unit is transmitted to the terminal before being transferred to the terminal. Format conversion means for converting the format according to the request, and charging and settlement means for managing the charging of the multimedia data transferred to the terminal to the terminal and the payment to the distribution site. Delivery mediation system. 4. A distribution system which is connected to a plurality of music distribution sites holding music data and a terminal requesting the music data so as to be capable of data transmission, and transfers the music data distributed from the music distribution site to the terminal. In the mediation system, a data management unit that stores and manages music data distributed from the music distribution site, and according to an implementation specification at the terminal before transferring the music data stored in the data management unit to the terminal. A distribution mediating system comprising: a format conversion unit for performing format conversion; and a billing settlement unit for managing billing to the terminal for music data transferred to the terminal and settlement to the distribution site. . 5. The distribution mediation system according to claim 2, further comprising terminal profile management means for managing a terminal profile describing an execution specification of said terminal. 6. The data management means includes a distribution site profile management unit for managing a distribution site profile describing the type and format of data held at the distribution site. Item 6. The distribution mediation system according to any one of Items 2 to 5. 7. The data management means has an index for managing an index file describing a title held with data held at the distribution site, data stored in the data management means, or both data. The distribution mediation system according to any one of claims 2 to 6, further comprising a file management unit. 8. The distribution mediation system according to claim 7, wherein at least a part of the index file is converted to HTML and transmitted to the terminal.