free-field room


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free-field room

[′frē ‚fēld ‚rüm]
(engineering)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

anechoic room

A room whose boundaries absorb almost completely sound waves which are incident upon them; practically no sound is reflected from the boundaries.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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