A testing enclosure in which the walls are formed of specially designed material that absorbs incident energy and prevents it from reflecting.
A special room that is constructed without acoustically reflective surfaces, such that it is without echoes, or an-echo-ic. This experimental setup enables engineers to more precisely measure the acoustical properties of many types of equipment. A real life anechoic situation is experienced by skydivers. However, they may be a bit distracted from the experience by the approaching ground.
a chamber having very little reverberation
a completely soundproof room resembling a sensory deprivation chamber
a custom-designed room lined with special acoustical
a low-noise, highly absorptive environment, often used in acoustical testing, that allows the direct sound of the device under test (e
an acoustically dead room designed primarily for the purpose of accurate loudspeaker measurement
a room designed in such a way that the walls, ceiling and floor will absorb all sounds made in the room, rather than bouncing them back as echoes
a room in which the walls,ceiling and floor are lined with a sound absorbent material to minimise reflections
a room in which the walls, floor and ceiling are lined with sound absorbing material, usually foam or glass-fibre wedges
a room that has been acoustically designed to have no echo
a room treated so that sound does not echo or reverberate within, and is sometimes used for audio testing or for audio recording where it is desired to give the impression of an outdoor performance
a room whose walls are lined with foam wedges designed to eliminate all room reflections and outside interference
a room with special walls that absorb as much sound as possible
a shielded room, covered on the inside with absorbers (often Ferrite) which has a completely homogeneous field
a space designed to have as little as possible in the way of echoes and reverberation, by using acoustic damping on all possible surfaces
a specially constructed room just for audio testing
a special room that produces no reflections, due to both architectural design and the use of special acoustically absorbant materials
A room where the walls, ceiling, and floor have been covered with acoustic absorbing material to (nearly) totally eliminate reflections. Useful for engineering development of loudspeakers since it isolates the performance of the speaker. But the response in a real room will be very different.
The insulated space in which EMC testing is conducted. Anechoic means "without echo." The room is anechoic because it is insulated against electromagnetic interference from sources outside the room.
A room without echoes or reflections that is used for precise acoustical measurements, not contaminated by normal room acoustical factors, including noise. It is the ultimate 'dead' room. See Reverberation.
A room in which no acoustical reflections or echoes exist. The floor, walls and ceilings of these rooms are lined with a metallic substance to prevent the passage of electromagnetic waves.
An enclosure especially designed with walls that absorb sound or radiation, creating an essentially free-field environment for testing.
A room designed to eliminate all reflected sound. This is accomplished through design and with materials which dissipate and absorb sound waves.
a specifically designed testing facility that permits highly accurate measurements of loudspeakers by eliminating room reflections.
Also called an "echo free" chamber. A room at the David Florida Laboratory where satellites are tested to make sure they are sending and receiving clear signals. Anechoic chambers duplicate the silence of space, where there is no medium (like air or water) through which the sound waves can travel. The walls of the anechoic chambers are made of carbon compound pyramids which absorb any microwave and radio signals that hit them.
An anechoic chamber is a room in which there are no echoes. This description was originally used in the context of acoustic (sound) echoes caused by reflections from the internal surfaces of the room but more recently the same description has been adopted for the radio frequency (RF) anechoic chamber. An RF anechoic chamber is designed to suppress the electromagnetic wave analogy of echoes: reflected electromagnetic waves, again from the internal surfaces.