A new measurement device consists of an impulse generator and a receiver-processor. They allow the amplitude vs. time characteristics of a loudspeaker-room combination, such as source misalignment, early reflections, and reverberation, to be displayed in an ordinary oscilloscope. Additionally, any time segment of this display, such as the direct sound only, may be selected and analyzed, by fairly conventional means, for amplitude vs. frequency characteristics.

Author: Thurmond, Bob
Affiliation: G. R. Thurmond and Associates, Austin, TX
AES Convention: 83 (October 1987) Paper Number: 2524
Publication Date: October 1, 1987
Subject: Audio Measurement and Evaluation

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