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Method and system for converting format of media file

A media file and format conversion technology, applied in electrical components, television, special data processing applications, etc., can solve the problems of users being unable to adapt, supporting device media files are single, and unable to well meet user needs, etc., to shorten the configuration time. Effect

Active Publication Date: 2011-01-05
BEIJING BAOFENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these two methods have different degrees of disadvantages: the first method, due to the use of sub-categories and customized configuration sheets, it can only satisfy some devices, and there is also a single and restrictive device that already supports media files
The second method adopts a custom method, which can theoretically meet various needs. However, due to the current limitations of users’ understanding of media file formats and their lack of understanding of their own device performance, especially the support performance of media files, instead make it difficult for users to adapt
Analyzing the two methods, it is found that even if the two methods are used together, they cannot well meet the needs of users

Method used

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  • Method and system for converting format of media file
  • Method and system for converting format of media file

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] This embodiment takes NOKIA N9x as an example. The user connects the mobile phone of this model to the computer. Since the mobile phone of this model and its media file information exist in the user equipment model database, the mobile phone is identified. Then obtain the media information of the mobile phone from the user equipment model database, and the media information obtained by default is the best playback configuration of the mobile phone: the file format is FileMP4, the video encoding format is MPEG4, the audio encoding format is ACC, and the video resolution is 320×240, video code rate is 384kbps, video frame rate is 15fps, audio code rate is 24kbps, audio sampling rate is 44100, and the number of audio channels is 2; select the video encoder and audio respectively according to the video encoding format and audio encoding format The encoder is an MPEG4 encoder and an ACC encoder; then use the MPEG4 encoder and the ACC encoder to encode the media file to be con...

Embodiment 2

[0045] This embodiment takes PSP as an example, the user connects the PSP to the computer, because the PSP and its media file information do not exist in the user equipment model database, so the PSP cannot be identified, and the user has no knowledge of the file format and audio and video. learn. At this point, select a sample media file that can be played by the PSP, such as a playable media file that already exists in the PSP, and analyze the sample media file to obtain its media information: the file format is FileMP4, the video encoding format is MPEG4, and the audio encoding format is ACC, the video resolution is 320×240, the video bit rate is 512kbps, the video frame rate is 29.97fps, the audio bit rate is 64kbps, the audio sampling rate is 24000, and the number of audio channels is 2. And store the PSP model and its media information in the user equipment model database. Then select the MPEG4 video encoder and the ACC audio encoder to encode the media file to be conve...

Embodiment 3

[0047] This embodiment takes PSP as an example, the user connects the PSP to the computer, because the PSP and its media file information do not exist in the user equipment model database, so the PSP cannot be identified, and the user has no knowledge of the file format and audio and video. learn. At this point, you can search the media information of the media files supported by the PSP from the network server: the file format is FileMP4, the video encoding format is MPEG4, the audio encoding format is ACC, the video resolution is 320×240, and the video bit rate is 512kbps , The video frame rate is 29.97fps, the audio bit rate is 64kbps, the audio sampling rate is 24000, and the number of audio channels is 2. And store the PSP model and its media information in the user equipment model database. Then select the MPEG4 video encoder and the ACC audio encoder to encode the media file to be converted to generate the FileMP4 format file that the PSP can play.

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Abstract

The invention discloses a method and a system for converting the format of a media file. The method comprises the following steps of: acquiring the media information of the media file supported by user equipment according to the model of the user equipment; according to the media information, selecting an encoder which can encode the media file supported by the user equipment from a media encoding database; and encoding a file to be converted by using the selected encoder and generating the media file supported by the user equipment. Based on the method, the system mainly comprises a media information acquiring module, an encoder selecting module and an encoding module. The method and the system can greatly reduce the configuration time of a user and meet requirements of more users.

Description

technical field [0001] The invention relates to the technical field of media file format conversion, in particular to a video and audio file format conversion method and system thereof. Background technique [0002] With the development of multimedia technology, countless media file formats and encoding and decoding methods have emerged. At the same time, mobile devices have also developed rapidly with the improvement of electronic technology, and have different degrees of support for media files. [0003] The diversity of media file formats and encoding and decoding methods, as well as the limitations of mobile devices to play video files, have led to the emergence and growth of video conversion software. In order to enable users to obtain suitable media files, the current video conversion software adopts the following methods: first, generate configuration sheets by category. Second, all developed custom formats. However, these two methods have disadvantages to varying ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/26G06F17/30H04N19/40
Inventor 黄森堂袁春光戴旭毅时安营李晓鹏
Owner BEIJING BAOFENG TECH
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