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H.264和H.265

名词解释题

2022-01-08 00:02

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正确答案

都是一种视频压缩标准，H.264又称高级视频编码，是目前应用非常广泛的一种压缩标准，和其他视频压缩标准相比有更高的质量和更低的码率，H.264有四种画质级别，分别是BP（BaselineProfile，多用于实时通信领域）、EP（ExtendedProfilE.、MP（MainProfile，多用于流媒体领域）和HP（HighProfile，多用于光电和存储领域）；H.265是对H.264的进一步改进，拥有更高的压缩比，更低的码率，使得高清视频的带宽大大降低，但耗电量大是一个非常迫切需要解决的问题。

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