anechoic
/ˌænɪˈkoʊɪk/
adjective
- Designed to absorb sound or echoes, creating a space with very little or no echo.
- Musicians sometimes record in an anechoic chamber to capture a completely dry sound.
- The anechoic room in the lab is used for testing microphones without background noise.
- The walls of the anechoic chamber are covered with special foam wedges that absorb sound waves.