Integrated multimedia file format structure, and multimedia service system and method based on the intergrated multimedia format structure
OwnerMunchurl Kim, Jeongyeon Liminventors
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Abstract
The present invention provides an integrated multimedia file format structure, and a multimedia service system based on the integrated multimedia format structure. The multimedia service system in accordance with the present invention, unlike the conventional multimedia service system for providing only audio data and simple text information related thereto, produces integrated contents containing compressed audio data, image data, text data, contents protection metadata and license metadata, which enables providing of a multimedia service by using the integrated contents having an integrated multimedia file format structure.
Claims26
An integrated multimedia file format structure for integrating contents containing at least one among compressed video data, image data, text data and contents information metadata, which correspond to compressed audio data, by using an ISO based file format, the integrated multimedia file format structure comprising:
- a moov box for indicating at least one data among the compressed video data, image data, text data, script data for applying animation effects to image, video and text data, the contents protection metadata and license protection metadata, which correspond to compressed audio data, using a multiplicity of trak boxes, and for specifying synchronized text data in an additional trak box;
- a mdat box containing the data indicated by the trak boxes of the moov box and the synchronized text data corresponding to the additional trak box;
- and a meta box for storing metadata where information on the contents is recorded.
A multimedia service system for providing integrated contents having an integrated multimedia file format structure, the system comprising:
- a content server system for assigning a rights to use the integrated contents, generating license information metadata according to the rights to use the contents, encrypting the contents according to the license information metadata and generating contents protection metadata related to the encryption, thereby generating the integrated contents having the integrated multimedia file format structure and transmitting the same via a network;
- and
- a user terminal for storing the integrated contents received via the network, decrypting and decoding the stored integrated contents according to the license information metadata and the contents protection metadata, displaying the decoded contents and executing the displayed contents according to an instruction for executing the integrated contents.
A multimedia service method for providing integrated contents having an integrated multimedia file format structure, the method comprising the steps of:
- determining whether or not an integrated content request receiving unitintegrated content request receiving unit of a content server system has received a contents request signal transmitted via a network;
- performing a user authentication and checking a limit of a user's rights to use contents if the integrated contents request signal is received;
- requesting proper contents according to the user authentication and the license and then encrypting the contents as requested according to a content protection method;
- generating contents protection metadata for recording information describing the content protection method and license metadata for recording license information of the contents;
- generating one integrated contents by using the encrypted contents, the contents protection metadata and the license metadata according to synchronization information and then transmitting the integrated contents to a user terminal via a network;
- and
- storing the integrated contents received from the user terminal.
A multimedia service method for providing integrated contents having an integrated multimedia file format structure, the method comprising the steps of:
- determining whether or not integrated contents is requested from a user terminal;
- determining whether or not the requested contents exist if the integrated contents is requested;
- displaying decrypting metadata of the integrated contents after checking a rights to contents and then displaying context and sources of the requested integrated contents if the requested contents exist, entire lists of pre-stored integrated contents;
- extracting and decrypting the corresponding contents if an instruction for implementing the random integrated contents is inputted from the user terminal, according to the user's rights stored in the user terminal or a storage medium;
- and
- decoding and rendering the decrypted integrated contents according to the synchronization information and then executing the decoded integrated contents.
Dependencies are inferred from the claim text.