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Video transcoding method, device and system

A video transcoding and video source technology, applied in digital video signal modification, image communication, selective content distribution, etc., can solve the problems of insufficient utilization and waste of transcoding resources, and achieve high coding efficiency and improve coding efficiency Effect

Inactive Publication Date: 2017-05-10
LETV HLDG BEIJING CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this system is relatively simple to build and implement, it does not make full use of the relationship between the same content in different resolutions, resulting in a waste of transcoding resources

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  • Video transcoding method, device and system
  • Video transcoding method, device and system
  • Video transcoding method, device and system

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Embodiment Construction

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

[0028] The idea of ​​this embodiment is: the encoding formats of the same video image content in different resolutions have a certain correlation, and by making full use of this correlation, the encoding formats of different resolutions can be guided, thereby improving transcoding efficiency. In order to improve the transcoding efficiency of the video source,...

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Abstract

The embodiment of the invention discloses a video transcoding method, device and system, and relates to the technical field of video image processing. The method comprises the following steps: acquiring a to-be-encoded video source; acquiring a target encoding format for characterizing target definition; and encoding the video source from preset encoding formats of multistage definitions lower than the target definition to the target encoding format stage by stage. Therefore, when the video source is encoded in the target encoding format, the encoding of the high-definition encoding format can be guided depending on low definitions, and the encoding efficiency of the low-definition encoding format is higher than that of the high-definition encoding format, so that the encoding efficiency of the video source is improved.

Description

technical field [0001] The present invention relates to the technical field of video image processing, in particular to a video transcoding method, device and system. Background technique [0002] With the development and popularization of network technology, people's video viewing experience and requirements are getting higher and higher. For Internet video content providers, providing users with high-quality and smooth video services is also a manifestation of their core competitiveness. Before the existing Internet video content enters users, it needs to undergo video transcoding to generate standardized, multi-bit rate, and high-definition multiple versions to meet the network viewing needs of different users. Therefore, how to improve the efficiency of video transcoding has always been the pursuit of Internet video sites. [0003] In order to generate multiple bit rates to meet the viewing needs of different network users, the video output is usually defined as multip...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/2343H04N21/4402H04N19/40H04N19/56
CPCH04N19/40H04N19/56H04N21/234336H04N21/440236
Inventor 白茂生魏伟
Owner LETV HLDG BEIJING CO LTD