KR20090010468A - New container format, DRM method and system using the container format and advertisement providing method and system - Google Patents

Abstract

Disclosed are a new container format, a DDR method using the container format, and an advertisement providing method. The container format includes a content identifier of the content, index information, archival data including the first video block or the first audio block, and data for distribution including the content identifier, the second video block or the second audio block. .

Description

NEW CONTAINER FORMAT AND DIGITAL RIGHTS MANAGEMENT METHOD AND SYSTEM AND ADVERTISEMENT PROVIDING METHOD AND SYSTEM USING THE CONTAINER FORMAT

Services for audio or video contents are largely divided into streaming and downloading methods. DRM is widely used in the existing streaming or download service, which requires huge line cost and storage space, and plays content in a predetermined manner to a given user.

Digital Rights Management (DRM) refers to technologies and services that protect the rights and interests of providers by preventing unauthorized use of digital content, and provide technologies to prevent illegal copying and tampering. In other words, DRM refers to digital rights management, which protects the rights and interests of content providers, prevents illegal copying, and supports the creation, distribution, and management of contents such as charging royalties and settlement services.

The DRM system using the DRM is connected to the billing system to transmit (or download) the encrypted content to the user and allow the authorized user to reproduce the encrypted content by using a predetermined encryption key.

1 is an example for explaining the basic container format in the prior art.

The container format 110 of the related art basically includes the image information 111, the audio information 112, and the index information 113. Of course, it is natural that additional information may be further included according to the nature, specification, or needs of the content.

Reference numeral 120 denotes a general video format including the form 121 of the container format 110 and file information 122 including the basic matters of the file, and reference numeral 130 denotes the general video format. An example of blocking is shown.

Representative container formats of the prior art include AVI (Audio Video Interleave), ASF (Advanced Streaming Format), MOV (Quik Time), Mpeg-4 part 14 (mp4), and Mpeg-2 Transport Stream (.m2t) for digital broadcasting. ), And the Mpeg-2 Program stream (m2p) for storage media. In addition, when data is blocked, the data is largely divided into sector units (2048 bytes in case of CD DVD) or packet unit for broadcasting (in case of Mppe-2 Transport Stream, video, audio, and system are divided into 188 bytes, respectively. Block size can be changed as necessary. In the case of ASF, index information is managed as one object without blocking. This container format is generally separate from the codec involved in compressing and decompressing video or audio data.

2 is an example for explaining the DRM method in the prior art.

That is, the container format in the form of reference numerals 120 and 130 described with reference to FIG. 1 is encrypted based on a predetermined algorithm and serviced (streamed or downloaded) to the user. In other words, the encrypted content 201 is transmitted to the user. Apart from the encrypted content 201, the license information 202 may also be encrypted and transmitted. At this time, the license information 202 for the encrypted content 201 includes permission conditions such as a content identifier and an encryption key for decrypting the encrypted content 201, the number of times of playback, the number of times of copying, the playback device, and the duration of the playback. May be included.

That is, the user first stores the user's device (data storage area of the computer's hard disk or a portable device) by logging in or cookies (via the Internet) or the user's password key 203 generated at the time of purchase of the content. When the user information of the user encryption key 203 and the purchaser information of the license information 202 match, the encrypted license information 202 is decrypted. At this time, only if the license information is not modified and the usage method matches the permission conditions, the encryption key can be transferred to the player to decrypt the encrypted data, and the decrypted data is not stored in the user's device. Playback (204).

Through this process, the content is prevented from being used for purposes other than the permission conditions, the illegal copying by the user is impossible, and the purchase process and the management process of the content are processed in a sequential manner by using the license information issued during the purchase process. You can connect to the process.

However, the DRM method of the related art cannot reproduce the contents of the contents purchased through a normal purchase process when the license information encrypted by the hidden file on the user's device is damaged, and the entire data of the contents and various user encryption keys are provided to the user. There have been hacking attempts (such as utilities that remove DRM or players that can play by bypassing DRM), and some successful cases have been reported. That is, in the case of files that have been hacked once, there is a problem in that no additional security can be implemented.

The present invention provides an unauthorized use of the content by separating the content into distribution data that can be distributed to the user and the storage data stored in the DRM system so that the content is played only when the user acquires the storage data through the DRM system. It provides a container format that can protect the rights and interests of content providers and producers, and a DRM method and system using the container format.

The present invention transmits the storage data only to a user authenticated through a dedicated player through the container format which is divided into the distribution data and the storage data, or encrypts the storage data to a user and transmits the storage data. The present invention provides a DRM method and system capable of distributing the content through all methods of transmitting the file by separating the process of distributing and purchasing the content through the process of transmitting the decryption key only when the authentication is authenticated.

According to the present invention, even if a database is hacked by a hacker temporarily through the container format separated into the distribution data and the storage data, the encryption routine for the storage data is changed to prevent playback of the content. Provides DRM methods and systems to prevent unauthorized use and protect the rights and interests of content providers and producers.

In the present invention, when the storage data is transmitted using the container format or the DRM system, an advertisement is generated by providing an advertisement in the form of a streaming service, and the advertisement revenue is also distributed to the producer of the content to produce content. And it provides a method and system for providing advertisement that can cultivate distribution channels.

Container format according to an embodiment of the present invention, the content identifier of the content, index information, the storage data including the first video block or the first audio block and the content identifier, the second video block or the second audio block Contains distribution data for inclusion. The index information may include (1) sequence information of all video blocks, (2) sequence information of all audio blocks, (3) synchronization information according to the playback flow of all video blocks and all audio blocks, or (4) the playback flow. It may include advertisement event information according to.

According to an aspect of the present invention, the first image block may include a predetermined number of image blocks among all image blocks of the content, and the second image block includes the first image block of the all image blocks. It may include the remaining video blocks except for. In this case, each of the image blocks of the entire image block may include an image block identifier and image information corresponding to the image block. The first voice block may include a predetermined number of voice blocks among all voice blocks of the content, and the second voice block may include remaining voice blocks other than the first voice block among the entire voice blocks. It may include. Here, each voice block of the entire voice block may include a voice block identifier and voice information corresponding to the voice block, respectively.

According to an aspect of the present invention, the content may be separated into the archive data and the distribution data through an encoder, and the encoder may request authentication or be provided to an authenticated encoder user when an encoder user requests an operation. Can be.

According to an aspect of the invention, the storage data may be stored in the Digital Rights Management (DRM) system is separated from the content at the time of encoding the content, the DRM system transmits the storage data to the authenticated user Alternatively, the storage data may be encrypted and transmitted to the user at the user's request, and the decryption key may be transmitted to the user when the user is authenticated.

According to an aspect of the present invention, the storage data may further include subtitle file information and subtitle index information when the content further includes subtitle information, and the distribution data may further include a plurality of subtitle blocks. Can be. In this case, the subtitle file information may include a producer code and a target video code of the subtitle information, and the subtitle index information may include sequence information and synchronization information of the subtitle block according to the playback flow of the content.

According to the present invention, the content is distributed by distributing the content into distribution data that can be distributed to the user and the storage data stored in the DRM system so that the content is played only when the user acquires the storage data through the DRM system. This can be used to protect the rights and interests of content providers and creators.

According to the present invention, the storage data is transmitted only to a user authenticated through a dedicated player through the container format that is divided into the distribution data and the storage data, or the storage data is encrypted and transmitted to a user. In addition, by distributing the decryption key only when the user is authenticated, the distribution of the content and the purchase of the content are separated, so that the content can be distributed through any method capable of transmitting the file.

According to the present invention, even if a database is hacked by a hacker temporarily through the container format separated into the distribution data and the storage data, the encryption routine for the storage data is changed to prevent the content from being played. Prevent unauthorized use of the content and protect the rights and interests of the content provider and creator.

According to the present invention, when the storage data is transmitted using the container format or the DRM system, an advertisement is generated by providing an advertisement in the form of a streaming service, and the advertisement revenue is also distributed to the creator of the content. It is possible to cultivate the production and distribution channels of

In the present specification, "user terminal" refers to a personal digital cellular (PDC) phone, a personal communication service (PCS) phone, a personal handyphone system (PHS) phone, a CDMA-2000 (1X, 3X) phone, and a WCDMA (Wideband CDMA) phone. Communication such as Dual Band / Dual Mode phone, Global Standard for Mobile (GSM) phone, Mobile Broadband System (MBS) phone, Digital Multimedia Broadcasting (DMB) phone, Smart phone, mobile phone, etc. Handheld devices that may include functionality, personal digital assistants (PDAs), hand-held PCs, notebook computers, laptop computers, WiBro terminals, MP3 players, MD players, and the like, and A portable electric and electronic device, which refers to all types of handheld-based wireless communication devices including an international roaming service and an international mobile telecommunication-2000 (IMT-2000) terminal that provides an extended mobile communication service. (Code Division Multiplexin g certain wireless communication devices equipped with GPS chips to enable location tracking via modules, Bluetooth modules, infrared data associations, wired and wireless LAN cards, and global positioning systems (GPS). A communication module may be provided, and a microprocessor capable of performing a multimedia playback function may be incorporated to interpret a concept of a terminal that may perform a predetermined operation.

In addition, in the present specification, "encoder" may refer to a dedicated encoding program for encoding content into a container format including distribution data and storage data.

Hereinafter, various embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

3 is an example for explaining an overview of a container format and a DRM method using the container format according to the present invention.

The DRM system 300 receives the storage data 303 in the container format of the storage data 303 and the distribution data 304 separated by encoding the content 302 in the user terminal 301 of the encoder user. I can keep it. In this case, the distribution data 304 may be transmitted to the user terminal 305 of the user through any path capable of transmitting files such as P2P, web storage, messenger, network connection, or hardware storage media.

The user cannot reproduce the content 302 with the distribution data 304 alone without the storage data 303 essential for playback, and the storage data 303 only when the user is authenticated by the DRM system 300. Can be sent to the user terminal 305 to allow the user to play the content 302. Here, the process of authenticating the user includes whether the user is entitled to playback of the content 302, such as login to the DRM system 300, authentication through a cookie, or authentication using device information of the user terminal 305, or the like. It may involve all processes of checking.

As described above, when the container format or the DRM method and system using the container format according to the present invention are used, distribution data capable of distributing the content to the user may be provided so that the content is reproduced only when the user acquires the storage data through the DRM system. By separating the storage data stored in the DRM system, it is possible to prevent unauthorized use of the content to protect the rights and interests of the content provider and the producer. The container format or the DRM method and system will be described in more detail with reference to FIGS. 4 to 7.

4 is a view for explaining the configuration of a container format according to an embodiment of the present invention.

The container format may include content identifier of the content, index information, archival data including the first video block or the first audio block, and data for distribution including the content identifier, the second video block or the second audio block. Can be. For example, the blocked content as shown at 410 may be divided into two parts 421 and 422 as shown at 420. The reference numeral 421 corresponding to the distribution data corresponds to the storage data as a part included in the reference numeral 422 composed of dotted lines.

In this case, the first image block may include a predetermined number of image blocks among all image blocks of the content, and the second image block includes remaining image blocks other than the first image block among the all image blocks. It may include. The first voice block may include a predetermined number of voice blocks among all voice blocks of the content, and the second voice block may include remaining voice blocks other than the first voice block among the entire voice blocks. It may include. Each of the video blocks of the entire video block may include a video block identifier and video information corresponding to the video block, and each of the voice blocks of the entire audio block includes a voice block identifier and voice information corresponding to the voice block. Each may include.

That is, in the above example, the archival data includes (1) the content identifier 423 of the content, (2) two image blocks 424 of the total image blocks as the first image block, and (3) the first image block. The voice block may include two voice blocks 425 of the entire voice block, basic playback information 426, and index information 427, and the distribution data includes remaining data except for the storage data (the first data). 2 video block and the second voice block) and the content identifier 423. In this case, the content identifier 423 may be used to find the storage data corresponding to the distribution data when the storage data is acquired in the DRM system.

In this case, the index information 427 may include (1) sequence information of all video blocks, (2) sequence information of all audio blocks, (3) synchronization information according to a playback flow of all video blocks and all audio blocks, or (4) It may include advertisement event information according to the playback flow.

The content may be separated into the storage data and the distribution data through an encoder, and the encoder may request authentication or be provided to an authenticated encoder user when an operation of an encoder user is requested. That is, when the encoder user requests authentication to the DRM system through the provided encoder and is authenticated, the encoder user may encode the content through the encoder or obtain the encoder after pre-authentication with the DRM system. This is for obtaining information about the encoder user, content name of the content, encryption information, etc. in the DRM system.

In addition, the storage data may further include subtitle file information and subtitle index information when the content further includes subtitle information, or may be transmitted together with the subtitle file information and the subtitle index information. The caption block may further include a plurality of caption blocks or may be transmitted together with the plurality of caption blocks. In this case, the subtitle file information may include a producer code and a target video code of the subtitle information, and the subtitle index information may include sequence information and synchronization information of the subtitle block according to the playback flow of the content. Such subtitle information may be generated through the encoder or a separate subtitle maker. The caption information and the caption maker will be described in more detail with reference to FIGS. 5 and 6.

The storage data may be stored in the DRM system and separated from the content when the content is encoded, and the DRM system transmits the storage data to an authenticated user so that only the authenticated user can play the content. Or encrypts the storage data at the request of the user and sends the encrypted data to the user, and if the user is authenticated, transmits a decryption key to the user to prevent unauthorized use of the content to protect the rights and interests of the content provider and producer. I can protect it. At this time, the user's authentication, the request for the storage data, the storage of the decryption key and the decryption of the encrypted storage data can be made through a dedicated player included in the user terminal of the user.

In the present embodiment, the storage data is stored in the DRM system, and the distribution data is provided to the user. At this time, the DRM system posts a DRM method for transmitting encrypted storage data to a user through a dedicated player to play the content by providing a decryption key when the user is authenticated. This has the effect of reducing the use of the circuit or cache server for download by providing the user with only storage data having a relatively small capacity compared to distribution data.

However, it is too obvious that such a method is only an example according to the present embodiment and can be variously changed as necessary. For example, data for distribution may be generated with a relatively small capacity and transmitted to the user, and data for large storage may be stored in a DRM system. That is, the user may be authenticated by accessing the page through a wired / wireless network, upload the distribution data, and play the content by using the dedicated player streaming method of the page.

As described above, when the container format according to the present invention is used, distribution data capable of distributing the content to the user and the storage data stored in the DRM system are stored in the DRM system so that the content is played only when the user acquires the storage data through the DRM system. By protecting the rights and interests of content providers and producers by preventing unauthorized use of the content, and only to users authenticated through a dedicated player through the container format separated into the distribution data and the archival data. All the files can be transferred by separating the process of distributing and purchasing the content by transmitting the data for storage or encrypting the data for storage and transmitting the decryption key only when the user is authenticated. How the distribution of the content It becomes possible.

5 is an example for explaining the format of caption information. That is, reference numeral 501 shows the format of the caption information.

The caption information may include caption position, font information, caption synchronization or caption content according to the flow of content playback, and the like. The caption information may be converted into a form such as a reference numeral 501 during file production or data conversion using an encoder, and subtitle file information 502 such as a target video code and a producer code may be added. In other words, reference numeral 501 denotes the caption information in the form of a caption file information 502, a plurality of caption blocks 503, and caption index information 504. In addition, each of the plurality of subtitle blocks 503 may include a subtitle block identifier and data divided by screen scenes (the font information, the position of the subtitle, and the subtitle contents).

In this case, the subtitle file information 502 and the subtitle index information 504 may be added to the data for storage or transmitted to the DRM system together with the data for storage, and the plurality of subtitle blocks 503 may be added to the data for distribution. It may be distributed together with the distribution data. That is, the caption information may also be separated and used in the same manner as the content and merged when the content is played.

6 is an example for explaining a manufacturing process of a container format through an encoder and a caption maker. In FIG. 6, an example of a case where an encoder and a subtitle maker are manufactured as one program and included in a user terminal of an encoder user will be described.

The encoder and subtitle maker 601 may make available only to encoder users whose credentials have been verified through user authentication, such as user login 602. That is, when the qualification is confirmed, the encoder and subtitle maker 601 may check and reflect the update 603 of the encoder and the subtitle maker 601, such as a configuration change of a container format.

Then, when the selection or opening 604 of the source file, that is, the data for distribution, is performed through the encoder user, the encoder and the subtitle maker 601 may set the specifications such as the size or the image quality of the result through the video template setting 605. You can decide.

The encoder user may select (606) a source code consisting of a copyright ID and a classification code (doc, drama, etc.) or metadata of the resultant, and the encoder and subtitle maker 601 may control a video playback control 607. That is, the screen can be controlled back and forth to check whether there is a problem in the entire flow. In this case, the encoder and the subtitle maker 601 may control before and after according to the playback flow of the content and add or check an advertisement insertion point (608), and if necessary, before and after depending on the playback flow of the content. The subtitle may be input by controlling (609). The subtitle may be replaced by converting an existing subtitle file (609).

After all the above processes are performed, the encoder and subtitle maker 601 compresses the video / audio information according to the designated video / audio codec (610). After compression 610 is finished, encoder and subtitle maker 601 generate data 611. In this case, the data may include the distribution data and the storage data. The storage data may be transmitted to the DRM system, and the distribution data may be distributed through any method capable of transmitting a file.

7 is a diagram for explaining a DRM method and system according to an embodiment of the present invention.

Reference numeral 701 denotes an action of an encoder user or the user terminal of the encoder user, and reference numeral 702 denotes an action of a user or a user terminal of the user who wants to play content. Reference numeral 703 denotes an example of the internal configuration of the DRM system.

The encoder user encodes the content 704 received through the DRM system or produced in-house into a container format including data for distribution and storage data through the encoder 705. At this time, the encoder 705 distributes the distribution data through various transmission paths such as web storage, P2P, storage media, and transmits the storage data to the DRM system. In this case, the encoder user must be authenticated through the DRM system so that the encoder 705 can be used so that the content name of the content, the information about the encoder user who is the producer of the container format, encryption information, and the like can be used in the DRM system. Can be obtained.

When the user who acquires the distribution data 706 attempts to play 707 the distribution data through a dedicated player associated with the DRM system, the dedicated player performs user authentication 708. At this time, the user authentication 708 receives the user identifier and password from the dedicated player to the user and transmits it to the user management server 709 included in the DRM system, the user management server 709 is a user database 710 May be performed by searching for a user corresponding to the user identifier and the password.

Alternatively, the user authentication 708 may be performed by using a cookie or by transmitting the device ID to the user management server 709 in the dedicated player when the user terminal is a mobile device.

When the user is authenticated at the user management server 709, the user management server 709 requests the decryption key from the encryption module 711, and provides the decryption key to the user terminal of the user at the encryption module 711. The decryption key may be received or updated by the user terminal or the dedicated player included in the user terminal.

In addition, the user management server 709 may request the storage data received through the encoder 705 to the data storage server 712, the data storage server 712 to the encryption module 711 to the storage data. You can request the encryption of. At this time, the encryption module 711 may transmit the encrypted storage data to the user terminal of the user.

Here, even if the encrypted storage data is hacked, the encryption module 711 can prevent the reproduction of the content 704 by changing the encryption method regularly or irregularly as necessary. In addition, when the storage data is provided to the user terminal, it may be stored only in the volatile memory of the user terminal.

Here, when the storage data is received through the encoder 705, it is stored in the storage data database 713 through the data storage server 712, the user management server 709 is a user at the time of user authentication 708 In addition to the information required for authentication 708, the data storage server 712 further receives a content identifier included in the distribution data, and the data storage server 712 requests the storage data by using the content identifier. The storage data can be retrieved from.

In this case, when the caption information of the content 704 is generated through the encoder 705, the caption information may be encrypted together with the caption information and provided to the dedicated player.

The dedicated player may receive or update 714 the decryption key through a DRM system and receive and decrypt 715 the archive data. In addition, the content may be reproduced 717 by merging the distribution data and the storage data 716.

In this way, by using the DRM method that separates the archival data and the distribution data, the playback period of the file is set for the serviced content, the limit of the number of playbacks per user, and the reproduction authority according to the category (age, region, gender) Management such as granting becomes possible.

In the present embodiment, the DRM system transmits the encrypted storage data after transmitting the decryption key to the dedicated program. However, as an example, the decryption key is first transmitted after transmitting the encrypted storage data. It is also possible to send it. In addition, in the present embodiment, the user is authenticated through the dedicated program, but as one or one example, only the user who has been authenticated through the wired / wireless network can use the dedicated player. Receive data. In addition, the caption information is not stored separately from the storage data and may be included in the storage data at the time of encoding.

The advertisement providing method or advertisement providing system for providing an advertisement in the container format or the container format using the DRM system according to the present invention exposes or plays an advertisement in a specific area of the dedicated player described above, or displays a pop-up window. The advertisement may be provided in various forms, such as through exposure or inserting an advertisement in the middle of playing the content.

8 is a diagram for describing a method and a system for providing an advertisement according to an embodiment of the present invention. In FIG. 8, as an example of providing an advertisement, a method of inserting an advertisement in a streaming form in the middle of playing the content will be described. In this case, the advertisement providing system 800 may include an advertisement server 801 and a streaming advertisement server 802.

Here, as described with reference to FIG. 6, the content may include an advertisement insertion point for inserting an advertisement when encoding. That is, the storage data or the distribution data may include advertisement data including an advertisement insertion point on a time series.

When the content is played 803, the dedicated player checks 804 the advertisement insertion point according to the playback flow of the content, and if confirmed, pauses the playback of the content and returns to the advertisement providing system 800. An advertisement may be requested 805. In more detail, the storage data and the distribution data may be merged in a dedicated player and played as the content (803), wherein the dedicated player provides an advertisement when an advertisement insertion point is detected when playing the content. The delivery system 800 may request to send an advertisement.

In addition, even when the advertisement insertion point is not detected, an advertisement event may be generated at at least one of a start time point, an end time point, or an arbitrary time point of the playback 803 to request the advertisement delivery to the advertisement providing system 800. have.

The advertisement server 801 selects an advertisement suitable for a user through the customized advertisement selection module 806 included in the advertisement server 801 and the user information 807 in response to a request of the dedicated player, and sends the advertisement to the streaming advertisement server. Providing to the dedicated player via 802 may cause the advertisement to be played or exposed 808. In this case, the user information 807 may be obtained through a DRM system or a content providing server providing the content.

The customized advertisement selection module 806 may include (1) content information such as classification, content name, director or cast member of the content, (2) user information such as gender, place of residence, date of birth, occupation, or (3) The advertisement information such as the advertisement period, the number of impressions / clicks, or the price of impressions / clicks may be used to select an advertisement suitable for the user.

In addition, the dedicated player may allow the content to be played back 803 when the play or exposure 808 of the advertisement is completed, and check the advertisement insertion point for the advertisement again.

That is, when the storage data is transmitted using the container format or the DRM system, the advertisement revenue is generated by providing an advertisement in the form of a streaming service, and the advertisement revenue is distributed to the producers of the contents, thereby producing and The distribution channel can be cultivated.

Embodiments according to the present invention can be implemented in the form of program instructions that can be executed by various computer means can be recorded on a computer readable medium. The computer readable medium may include program instructions, data files, data structures, and the like, alone or in combination. Program instructions recorded on the media may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks. Magneto-optical media, and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like. The hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

In the present invention as described above has been described by the specific embodiments, such as specific components and limited embodiments and drawings, but this is provided to help a more general understanding of the present invention, the present invention is not limited to the above embodiments. For those skilled in the art, various modifications and variations are possible from these descriptions.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and all the things that are equivalent to or equivalent to the claims as well as the following claims will belong to the scope of the present invention. .

1 is an example for explaining the basic container format in the prior art.

2 is an example for explaining the DRM method in the prior art.

3 is an example for explaining an overview of a container format and a DRM method using the container format according to the present invention.

4 is a view for explaining the configuration of a container format according to an embodiment of the present invention.

5 is an example for explaining the format of caption information.

6 is an example for explaining a manufacturing process of a container format through an encoder and a caption maker.

7 is a diagram for explaining a DRM method and system according to an embodiment of the present invention.

8 is a diagram for describing a method and a system for providing an advertisement according to an embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

303: Dropbox data

304: Data for distribution

703: DRM system

704: User Management Server

711: encryption module

712: Data Archiving Server

Claims (17)

In container format, Archival data including a content identifier of the content, index information, a first video block or a first audio block; And Distribution data including the content identifier, the second video block, or the second audio block. Container format comprising a. The method of claim 1, The first image block includes a predetermined number of image blocks among all image blocks of the content. The second video block includes a remaining video block other than the first video block among the entire video block. The method of claim 1, Each of the video blocks of the entire video block includes a video block identifier and video information corresponding to the video block. The method of claim 1, The first voice block includes a predetermined number of voice blocks of all voice blocks of the content, The second voice block includes a voice block other than the first voice block of the entire voice block. The method of claim 1, Each voice block of the entire voice block includes a voice block identifier and voice information corresponding to the voice block. The method of claim 1, The content is separated into the archive data and the distribution data through an encoder, The encoder is a container format, characterized in that for requesting the operation of the encoder user request authentication or provided to the authenticated encoder user. The method of claim 1, The storage data is separated from the content when the content is encoded and stored in a digital rights management system (DRM), The DRM system is a container format, characterized in that for transmitting the storage data to an authenticated user. The method of claim 1, The archival data is separated from the content when the content is encoded and stored in a DRM system, The DRM system encrypts the storage data according to a user's request and sends the encrypted data to the user, and sends a decryption key to the user when the user is authenticated. The method of claim 1, The index information includes (1) sequence information of all video blocks, (2) sequence information of all audio blocks, (3) synchronization information according to the playback flow of all video blocks and all audio blocks, or (4) the playback flow. Container format comprising advertising event information. The method of claim 1, The data for storage further includes subtitle file information and subtitle index information when the content further includes subtitle information, or is transmitted together with the subtitle file information and the subtitle index information. The distribution data may further include a plurality of subtitle blocks or may be transmitted together with the plurality of subtitle blocks. The method of claim 10, The subtitle file information includes a producer code and a target video code of the subtitle information. The caption index information includes a sequence information and synchronization information of the caption block according to the playback flow of the content. The method of claim 1, The storage data further includes reproduction basic information, The playback basic information includes a total number of frames, frames per second, image running time information, image size information, or compression codec information used. The method of claim 1, The storage data is stored in the volatile memory of the user terminal, if provided to the user terminal container format. The method of claim 1, The container data or the distribution data includes the advertisement data including an advertisement insertion point on a time series. The method of claim 1, The storage data and the distribution data are merged and played in a dedicated player, The dedicated player requests transmission of an advertisement to an advertisement providing system that provides an advertisement when an advertisement insertion point is detected when the merged storage data and the distribution data are detected, and the advertisement insertion point is not detected. A container format, characterized in that an advertisement event is generated at at least one of a start time point, an end time point, or an arbitrary time point, and the advertisement is sent to the advertisement providing system. A DRM method and a DRM system using the container format according to any one of claims 1 to 15. An advertisement providing method and advertisement providing system using the container format according to any one of claims 1 to 15 or the DRM method or DRM system according to claim 16.

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