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.

Author: Gander, Mark R.
Affiliation: James B. Lansing Sound, Inc., Northridge, CA
AES Convention: 66 (May 1980) Paper Number: 1648
Publication Date: May 1, 1980 Import into BibTeX
Permalink: https://www.aes.org/e-lib/browse.cfm?elib=3727

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