This paper discusses measurement of room impulse responses or sound system loop gains using low-level maximum-length sequence signals during performances. Characterization of measurement performance and requirements for different applications are studied. The influence of audience noise, speech, and music as disturbances during averaging is shown, and a new method for utilizing nonstationarity in the disturbance signals to improve the signal-to-noise ratio is presented.

Author: Nielsen, Johan L.
Affiliation: Norwegian University of Science and Technology, Trondheim, Norway
AES Convention: 100 (May 1996) Paper Number: 4267
Publication Date: May 1, 1996
Subject: Measurements and Instrumentation

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