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| | Container format - Wikipedia, the free encyclopedia |
 | | A container format is a computer file format that can contain various types of data, compressed by means of standardized codecs. |
 | | Simpler container formats can contain different types of audio codecs, while more advanced container formats can support audio, video, subtitles, chapters, and meta-data (tags) - along with the synchronization information needed to play back the various streams together. |
 | | Older formats such as AVI do not support new codec features like B-frames, VBR audio, VFR natively, although the format may be "hacked" to add support, creating compatibility problems. |
| en.wikipedia.org /wiki/Container_format (311 words) |
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