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On-site video processing method and device

A video processing and on-site technology, applied in television, electrical components, transmission systems, etc.

Inactive Publication Date: 2012-05-23
RESEARCH INSTITUTE OF TSINGHUA UNIVERSITY IN SHENZHEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, limited to the characteristics of portable devices, it is impossible to use complex video stream signal encryption devices

Method used

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  • On-site video processing method and device
  • On-site video processing method and device
  • On-site video processing method and device

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Embodiment Construction

[0040] Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in further detail:

[0041] like figure 1 As shown, a device for on-site video processing, including: a video acquisition module, used to obtain live video information, and perform analog-to-digital conversion on these video information, and output corresponding digital video signals; AVS encoding module, used for the described The digital video signal output by the video acquisition module carries out data compression and source coding processing; data packing and encryption module are used to carry out packing processing on the video digital video signal output by the AVS encoding module, generate a transport stream packet, and transmit the transport stream The data in the packet is encrypted, and output the encrypted transmission stream; TDS-OFDM coding modulation and radio frequency module, used for modulation and coding the transmission stream output by the da...

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Abstract

The invention relates to an on-site video processing method and an on-site video processing device. The on-site video processing device comprises a video acquisition module, an AVS encoding module, a data packaging and encrypting module, a TDS-OFDM encode modulation and radio frequency module, and an antenna module. The technical scheme of the invention has the advantages of suitability for remote transmission and a certain encryption capability so as to be very suitable for the real-time acquisition and forwarding of video signals of emergency sites.

Description

technical field [0001] The invention relates to a method and device for on-site video processing. Background technique [0002] AVS (Digital Audio and Video Codec Standard) is an audio and video codec standard independently developed by my country with independent intellectual property rights. It has a complete standard system including system, video, audio, and media copyright management. promotion within the scope. The encoding efficiency of the AVS standard is more than 2 times higher than the MPEG-2 standard commonly used in the field of digital TV, and is equivalent to the encoding efficiency of H264, but the algorithm complexity is lower than that of H264. Therefore, the AVS standard has more computing and storage resources. obvious advantage. [0003] At present, there are two main types of AVS encoding systems in the domestic market: one is that the AVS monitoring system collects video signals, then uses the AVS module to encode the signals, and then outputs the enc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/26H04L29/06H04N21/2347
Inventor 陈晓春金涛胡曾千臧纪运周跃辉
Owner RESEARCH INSTITUTE OF TSINGHUA UNIVERSITY IN SHENZHEN