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Ground Plane Acoustic Measurement of Loudspeaker Systems

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Elaborate electronic techniques or specially constructed environments are usually required to measure only the direct field from a loudspeaker without contamination from reflected signals. By placing the measurement object on a rigid, unobstructed ground surface, and placing the measurement microphone flush with the ground, an accurate simulation of the anechoic response of the object together with its image source may be obtained.

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Permalink: http://www.aes.org/e-lib/browse.cfm?elib=3727

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