Video file format

A 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):

• ASF
• AVI
• Matroska
• MPEG
• Ogg
• OGM
• QuickTime
• RealMedia
• WMV

Professional video file formats:

• MXF

See also: Video codecs, Audio codecs