Container File

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A container is just a format designed to hold a combination of video and audio (and sometimes more, like sub-title) data in such a way that a player application can read it reliably and play it all back properly (that means with video and audio synchronized).


Examples of container formats


Examples of video formats


Examples of audio formats


Most audio and video formats used today use compression in some way, mainly to minimize the file size. Software used to edit audio or video formats need to use the appropriate COmpressing/DECompressing library (often refered to as CODEC). The codec acutally used to compress the file is often used to describe the file itself. For example, it is common to refer to a audio/video file compressed with the DivX video codec as simply a 'DivX File'.

Transcoding Files


As described above AVI files are container files that will usually contain an mp4 video stream and an mp3 audio stream.
A typical DivX video file, with the optional .divx or .avi extension will contain:

  • video stream compressed by the DivX video codec
  • audio stream compressed by the mp3 codec

Learn how to use GEAR Video to create VCD's, SVCD's and DVD-Video from your AVI files.

Check out the GEAR How To Guides. Look under the heading For GEAR Video

See Also

Container File Comparrison on WIKIPEDIA

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