MP4 H.264 MPEG-4 MPEG-2
MP4 视频编解码技能 H.264 MPEG-4 MPEG-2https://i-blog.csdnimg.cn/direct/20b752645cc54cc1a3fa846895d0d584.png
[*] MP4 (MPEG-4 Part 14):
[*]Format: A digital multimedia container format.
[*]Use: Often used to store video, audio, subtitles, and still images.
[*]Compression: Can use different codecs, such as H.264, for video compression.
[*] H.264 (MPEG-4 Part 10, AVC):
[*]Codec: A video compression standard that is widely used for recording, compression, and distribution of video content.
[*]Use: Commonly used in Blu-ray Discs, YouTube videos, and many streaming services due to its high compression efficiency and quality.
[*] MPEG-4:
[*]Standard: A method of defining compression of audio and visual digital data. It includes a wide range of codecs, with H.264 being one of them.
[*]Use: Used for compressing audio and visual data like video streams and DVD files.
[*] MPEG-2:
[*]Standard: An older video and audio compression standard.
[*]Use: Primarily used for DVDs, digital television, and early Blu-ray Discs. It is less efficient than H.264 but was widely used before more advanced codecs were developed.
1）H.264是高性能的视频编解码技能，高清编码格式；
2）划一图像质量，数据压缩比率，H.264是MPEG-2的2倍以上，是MPEG-4的1.5～2倍；
3）低码率、高质量、容错强、适应强；
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