Microphone test in an anechoic chamber

Microphone test in an anechoic chamber

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Caption: Acoustics research. A technical adjusting a microphone that is mounted inside a large anechoic chamber. The walls of the chamber are covered with cone and wedge shapes, These prevent any signals from bouncing from the walls, thus ensuring the test microphone picks up sound coming directly from the source only. Photographed at the Standards Committee laboratories in Moscow, Russia, in 1974.

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Keywords: 1974. 1970s, 20th, absorbent, acoustics, anechoic, black, century, chamber, committee, cone, echo, engineering, laboratories, laboratory, microphone, monochrome, moscow, novosti, research, russia, russian, sonic, sound, soviet, standards, test, testing, twentieth, wedge, white

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