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单词 Scalable Video Coding
释义

Scalable Video Coding

中文百科

可适性视频编码

可适性视频编码(Scalable Video Coding, SVC)是传统H.264/MPEG-4 AVC编码的延伸,可提升更大的编码弹性,并具有时间可适性(Temporal Scalability)、空间可适性(Spatial Scalability)及信噪比可适性(SNR Scalability)三大特性,使视频传输更能适应在异质的网络带宽。

英语百科

Scalable Video Coding 可适性视讯编码

Scalable Video Coding (SVC) is the name for the Annex G extension of the H.264/MPEG-4 AVC video compression standard. SVC standardizes the encoding of a high-quality video bitstream that also contains one or more subset bitstreams. A subset video bitstream is derived by dropping packets from the larger video to reduce the bandwidth required for the subset bitstream. The subset bitstream can represent a lower spatial resolution (smaller screen), lower temporal resolution (lower frame rate), or lower quality video signal. H.264/MPEG-4 AVC was developed jointly by ITU-T and ISO/IEC JTC 1. These two groups created the Joint Video Team (JVT) to develop the H.264/MPEG-4 AVC standard.

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