Definition of codec in English:


Syllabification: co·dec
Pronunciation: /ˈkōˌdek


  • A device or program that compresses data to enable faster transmission and decompresses received data.
    More example sentences
    • This adds to the feeling of actual presence and reduces the processing load on the codec enabling a quicker refresh rate with less flicker.
    • The design flow is driven by research on future applications, such as software-defined radio and multi-format multimedia codecs.
    • The Skype system uses several different proprietary audio codecs to handle audio compression.


1960s: blend of coder (see code) and decoder.

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