A novel measurement technique of the transfer function of weak, nonlinear, approximately time-invariant systems is presented. The method has been implemented with low-cost instrumentation and is based on an exponentially swept-sine signal. It is not only applicable to loudspeakers and other audio components but also to room acoustics measurements. The paper presents a theoretical description of the method and an experimental verification in comparison with MLS.

Author: Farina, Angelo
Affiliation: Dipartimento di lngegneria Industrial, Universita’ di Parma, Italy
AES Convention: 108 (February 2000) Paper Number: 5093
Publication Date: February 1, 2000
Subject: Audio Measurement and Instrumentation

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