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Method for file formation according to freeview AV service

A perspective and free technology, applied in the field of creating files, can solve problems such as complex operations

Active Publication Date: 2011-08-10
ELECTRONICS & TELECOMM RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The MPEG-4 system includes functions for various types of user interaction, which would require relatively complex operations at the authoring or playback terminal stage

Method used

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  • Method for file formation according to freeview AV service
  • Method for file formation according to freeview AV service
  • Method for file formation according to freeview AV service

Examples

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Embodiment Construction

[0027] Embodiments of the invention will now be described in detail with reference to the accompanying drawings, examples of which are shown in the accompanying drawings, in which like reference numerals refer to like elements throughout. The embodiments will be described below in order to explain the present invention by referring to figures.

[0028] In describing the present invention in detail, related publicly known functions or configurations may become an unnecessary description of the present invention to make the purpose of the present invention unclear, and thus detailed description thereof will be omitted here. In addition, the terms used herein are defined to properly describe the exemplary embodiments of the present invention, and thus may vary depending on users, operator's intention, or customization. Therefore, the terms of the present invention must be defined on the basis of the ensuing overall description.

[0029] figure 1 One example of the configuration...

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Abstract

A method of creating a file according to a freeview audio / video (AV) service, the method including: creating a file header that includes content related information, AV object related information, preset related information, or preset information associated with at least one preset; creating audio object information associated with at least one audio object; creating video object information associated with at least one video object; and processing the file header, the audio object information, and the video object information into a preset format of a single freeview AV file to store the processed preset format of the freeview AV file is provided.

Description

technical field [0001] The present invention relates to a method of creating a file according to a free view (freeview) audio / video (AV) service, in particular to a file format for providing a free view AV service, a method of creating the file format and a method to play that file format. Background technique [0002] With the development of digital technology, audio / video (AV) services have shifted from passive / unidirectional AV services to AV-type services for user participation. The free-view AV service refers to a user-oriented lifelike audio and video service, which enables the user to select and watch the viewing point (viewpoint) and listening point (listening point) required by the user at any time while browsing the scene. [0003] In the case of general multimedia services, the service usually includes a single audio object and a single video object. The MPEG (Motion Picture Experts Groups)-4 system standard defines multimedia services including multiple objects...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/24
CPCH04N21/47205H04N21/8133H04N21/4755H04N21/234318H04N5/60H04N21/85
Inventor 李泰辰刘载铉姜京玉洪镇佑
Owner ELECTRONICS & TELECOMM RES INST