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在现代社会信息交流中,视频通信占据着通信信息流量的绝大部分,对视频进行压缩编解码使视频信号达到更高的压缩比和更好的信道适应性一直是人们的追求。视频编解码技术不断发展,标准不断推新,应用也越来越广泛。本文首先介绍了视频编解码的发展,然后阐述视频编解码的原理和方法,最后论述了介绍H.26X系列视频编码国际标准及其应用。
In the modern social information exchange, the video communication occupies most of the communication information flow. Compressing and decoding the video to make the video signal achieve higher compression ratio and better channel adaptability has been people’s pursuit. Video codec technology continues to evolve, standards continue to push new applications are more and more widely. This article first introduces the development of video codec, then explains the principle and method of video codec, and finally discusses the introduction of H.26X series video coding standard and its application.