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Definition Edit

Codec (an abbreviation for compressor-decompressor or coder-decoder) is

[a]n electronic device that converts analog video signals into a digital format for transmission, and vice versa.[1]
the packaging instructions used for encoding (during recording) and decoding (during playback) the information within a file wrapper; e.g. PCM and MP3.[2]

References Edit

  1. Adult Literacy and New Technologies: Tools for a Lifetime, at 253.
  2. ARSC Guide to Audio Preservation, Glossary, App. B, at 224.

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