Bandwidth saving method and system

A bandwidth and macroblock technology, applied in the field of live broadcast applications, can solve the problem of huge bandwidth cost and other issues

Inactive Publication Date: 2017-03-29
WUHAN DOUYU NETWORK TECH CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0002] In the current live video industry,

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  • Bandwidth saving method and system

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[0039] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, not all the embodiments. The components of the embodiments of the present invention generally described and illustrated in the drawings herein may be arranged and designed in various different configurations.

[0040] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ...

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Abstract

The invention provides a bandwidth saving method and system, which are applied to live videos. The bandwidth saving method comprises: firstly dividing a real-time video image into a preset number of macro blocks; then, detecting a region-of-interest in the video image, judging whether the preset number of macro blocks are located in the region-of-interest, and marking macro blocks in the region-of-interest to be first macro blocks and macro blocks outside the region-of-interest to be second macro blocks; and finally, coding image data of the first macro blocks at a first coding rate, thereby generating first coding data, and coding image data of the second macro blocks at a second coding rate, thereby generating second coding data, wherein the first coding rate is larger than the second coding rate. The bandwidth saving method and system can effectively reduce bandwidth costs in a live video data transmission process.

Description

technical field [0001] The present invention relates to the technical field of live broadcast applications, in particular to a bandwidth saving method and system. Background technique [0002] In the current live video industry, the investment in bandwidth costs is huge. The inventor found that there is a great relationship between the bit rate of video transmission, live broadcast bandwidth, and video resolution. How to reduce the video live broadcast on the premise of ensuring the video resolution of important areas according to the importance of different areas in the video screen? The bandwidth cost in the process has become a technical problem to be solved urgently by those skilled in the art. Contents of the invention [0003] In view of this, the present invention provides a bandwidth saving method and system, by encoding different areas in a video image according to different encoding rates, thereby reducing bandwidth usage costs during live video transmission. ...

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Application Information

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IPC IPC(8): H04N21/2187H04N21/2343H04N21/258H04N21/44H04N21/4402H04N21/845
CPCH04N21/2187H04N21/234363H04N21/25891H04N21/44008H04N21/440263H04N21/8456
Inventor 李亮
Owner WUHAN DOUYU NETWORK TECH CO LTD
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