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A video transmission control device and method

A technology for video transmission and control devices, which is applied in the field of video transmission and can solve the problem of limited data volume in video transmission

Inactive Publication Date: 2018-06-26
CITEN COMM TECH TIANJIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The embodiment of the present invention proposes a video transmission control device and method to solve the problem that the existing video compression has a relatively limited effect on reducing the amount of video transmission data

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  • A video transmission control device and method
  • A video transmission control device and method
  • A video transmission control device and method

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Embodiment Construction

[0023] In order to make the technical solutions and advantages of the present invention clearer, the exemplary embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all implementations. Exhaustive list of examples. And in the case of no conflict, the embodiments in this specification and the features in the embodiments can be combined with each other.

[0024] In practice, the inventor found that: during a video call or watching a network program, if the network status is not good, the video will be unclear or delayed, resulting in a poor user experience.

[0025] The existing video compression and transmission technical solutions can reduce the amount of video transmission data to a certain extent, but they do not fundamentally solve the problem of the amount of video transmission data. Video refers to va...

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Abstract

The invention provides a video transmission control device and a video transmission control method. The device comprises a network state monitoring module for monitoring network state and determining network state information, a transmission control module for determining sampling rate control information according to the network state information, a sampling module for sampling a video according to the sampling rate control information and obtaining a sampled video frame, and a video output module for transmitting the sampled video frame. By adopting the technical solution of the invention, the device and the method could adjust video sampling rate while the video is transmitted based on the monitored network state and reduce the sampling rate of the video while the network state is not good. Compared with the existing video compression solution, the technical solution of the invention effectively reduces the data amount while the video is transmitted.

Description

Technical field [0001] The present invention relates to the technical field of video transmission, in particular to a video transmission control device and method. Background technique [0002] It is no longer a problem to play video signals on computer terminals. The key problem lies in signal compression and transmission technology. Duplex transmission or higher quality signals require higher network bandwidth. [0003] In current video transmission technical solutions, most of them start from the perspective of video compression. On the basis of transmitting the same amount of video data, try to increase the video compression ratio as much as possible to reduce the amount of video transmission data. [0004] During the video compression process, a compression algorithm needs to be applied to compress the source video to create a compressed file. When playing a video, you need to apply the opposite decompression algorithm to restore the compressed video file, and the restored vid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/115H04N19/132
Inventor 郑世鹏陈昕马晓明姚雪杨广泽胡勇
Owner CITEN COMM TECH TIANJIN