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Measurement of Audio Equipment with Log-Swept Sine Chirps

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 Import into BibTeX
Subject:Instrumentation and Measurement

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