Only a performance hall or a specially constructed echo chamber – with a microphone ... being called ‘EMT 140’, each reverb would vary slightly in sound, and more dramatically over its ...

In the acoustic module on Sound-Environment Interaction ... Larger broadcast studios created their own echo chamber or reverb chamber on site, where the signal could be played back into the chamber ...

The holes in the rear of the panel are 10 mm in diameter, with a 16 mm pitch, forming about 4,000 reverberation chambers per m2, offering the most effective sound absorption.

Anechoic chambers are generally used for testing microphones and loudspeakers or other sound-producing devices when the absence of reflection is desirable.

In support of the research activities mentioned above, the Acoustic Laboratory has the following facilities and instrumentation: A Reverberation Chamber of volume 15.4 cu.m (94 cu.ft) with wall ...