anechoic chamber

Definitions

General Science

  • noun a completely quiet room in which sound or radio waves do not reflect off the walls

Electronics

  • A room whose walls, ceiling, and floor are lined with sound-absorbing materials which minimize or eliminate all sound reflections. Used, for example, to test microphones or sound-level meters. Also called dead room, free field room, or echoless room.
  • A room whose walls, ceiling, and floor are lined with materials that absorb radio waves of given frequencies or bands. Used, for example, to test microwave devices.
  • synonymanechoic room

Construction

  • An enclosure whose interior surfaces do not reflect sound.
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