codec
nounUK /ˈkəʊ.dek/
US /ˈkoʊ.dek/
A codec is a tool that makes big files smaller so computers can store or send them easily.
The video player uses a codec to play the movie smoothly.
RELATED WORDS
OTHER MEANINGS
2. A device or program that converts analog signals into digital data and back again.
The phone's codec turned her voice into digital signals for the call.
3. Software that encodes and decodes a media stream for playback or transmission.
This codec supports high-definition audio.
4. A combination of an encoder and a decoder used in telecommunications.
The network engineer checked the codec to fix the poor call quality.