The log-swept sine chirp provides a way to measure the transfer function and harmonic distortion of an audio device simultaneously. A deconvolution operation separates the linear and non-linear responses in time. Results on real audio equipment are compared to classical methods and found to agree. An extension for simultaneously measuring crosstalk is suggested.

Author: Kite, Thomas
Affiliation: Audio Precision, Beaverton, OR
AES Convention: 117 (October 2004) Paper Number: 6269
Publication Date: October 1, 2004
Subject: Instrumentation and Measurement

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