UNDERSTANDING AUDIO AND VIDEO FORMATS
The audio and video data that is stored within sound and movie files are produced, stored, and retrieved using different multimedia formats. However, the word format is an oversimplification: The proper way to identify a sound and movie file is by its container and its codecs.
Containers and Codecs
A container is like an envelope for the audio and video found within sound and movie files. It determines how many audio and video data streams are stored and how they can be retrieved. The data stream itself is compressed using either an audio or video codec. The container typically determines the media file’s extension.
Movie Containers
A movie container usually houses one video data stream and one or more ...
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