The truncation of the anechoic part of a loudspeaker impulse response, obtained in a nonanechoic room, leads to severe measurement errors in the low frequency spectrum. A method is proposed for removing the smearing first reflections with the use of Cepstral Analysis. In this way, the tail of the impulse response is recovered leading to better low frequency measurements, in normal listening rooms.

Author: Salamouris, Soterios I.
Affiliation: Roister Speakers, Kallithea, Athens, Greece
AES Convention: 92 (March 1992) Paper Number: 3233
Publication Date: March 1, 1992
Subject: Measurement, Technique, and Instrumentation

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