| Glossary |
Codec
One way to describe a codec: "A recipe telling the computer how to cook
a meal for the user", try replacing "recipe" with "program", "cook"
with "display", "meal" with "video-clip/movie": "A program telling the computer
how to display a video-clip/movie for the user". It is needed because
not every video-clip is to be displayed/interpreted in the same way,
a video file is compressed in one specific format
(out of thousands available).
Compressor
Same as Encoder
Decoder
Same as Codec
Decompressor
Same as Codec
Encoder
A program that can encode raw data into a compressed format, which may be any of thousands in existance.
FOURCC
This is a four letter string uniquely identifying the datastream format used in an AVI file.
FOURCC is used to identify the codec when used in an RIFF (Resource Interchange File Format) ie. an AVI file (A multimedia file that can contain video/audio compressed in any number of ways).
Read more on Micro$oft page.
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