Video file format is a standard of encoding video, audio and some auxiliary informations
into a file. In contrast to audio and image formats, most video file formats
allow a lot of codecs, both audio and video, to be used.
Auxiliary information often includes:
- data required for correct synchronization between audio and video
- subtitles
Popular video file formats are (some of them can be also used with only audio):
See also: [Video codecs]?, Audio codecs