The filter design approach presented here manages an attractive compromise that produces filters with good crosstalk cancellation, short impulse responses, and a linear phase. As a starting point, basic cancellation filters are considered, i.e., ideal pulses with delay and inversion. These are modified in the frequency domain with a gain applied so as to obtain a nearly spectrally flat total power at the ears. This modification allows to substantially reduce the coloration of the basic cancellation filters at the price of a small decrease of cancellation performance.

Authors: Reymond, Arnaud; Faller, Christof; Weiss, Daniel
Affiliations: Sony Stuttgard Technology Center, Switzerland; EPFL Lausanne, Switzerland; Illusonic GmbH, Uster, Switzerland; Weis Engineering Ltd., Switzerland(See document for exact affiliation information.)
AES Convention: 142 (May 2017) Paper Number: 9734
Publication Date: May 11, 2017
Subject: Audio Systems, Design, Amplifiers

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