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Neither having nor producing echoes: an anechoic chamber.


(General Physics) having a low degree of reverberation of sound: an anechoic recording studio.


(ˌæn ɛˈkoʊ ɪk)

having an unusually low degree of reverberation; echo-free: an anechoic studio.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.anechoic - not having or producing echoes; sound-absorbent; "an anechoic chamber"
nonresonant, unreverberant - not reverberant; lacking a tendency to reverberate
References in periodicals archive ?
The exhibit's anechoic properties are partly enabled by a product known as Basotect, a flexible, open-cell melamine foam with high sound absorption properties.
The solid floor allows equipment to be placed more easily than is the case with a fully anechoic facility.
14-15), you learned about how engineers use anechoic chambers to test how different products sound.
AV malformation--Normal sized uterus and cervix with an anechoic area which on colour Doppler reveals vascular content
com)-- When investigating sound sources proved too time consuming for its busy anechoic chamber, Gorenje - one of Europe's leading home appliance manufacturers - expanded its testing abilities with a bespoke array system from Bruel & Kjaer.
Applications include precision sound level measurements, R&D, hearing preservation and safety, vehicle pass-by noise, machinery preventative maintenance, environmental noise monitoring, anechoic chamber and loudspeaker measurements.
As shown in Figure 3, 7Layers uses a large anechoic chamber for phone tests.
The ultrasonic image is formed of various shades of grey, white and black depends upon consistency of different parts of reproductive tract and these images were interpreted as hyperechoic, hypoechoic or anechoic.
Among specific topics are a robot control system for stereotactic surgery, using a river formation dynamics algorithm in mobile robot navigation, testing some alpha-models of turbulence on wing profiles, oscillations of the piezoelectric actuator with two-directional polarization, the control system for a manipulation mechanism for acoustical measurements in an anechoic chamber, and the non-collision path planning of a payload in crane operating space.
Anechoic chambers are used to evaluate the electromagnetic compatibility (EMC) of military and commercially-available, electronic equipment.
Microwave absorbers are used to dampen the cavity resonances, but their most extensive use is in the design of reflectionless environments, such as EMC and antenna measurement anechoic chambers.
In the anechoic chamber, you become the sound," he said.