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Convention Paper

An Initial Validation of Individualized Crosstalk Cancellation Filters for Binaural Perceptual Experiments

Authors: Moore, Alastair; Tew, Anthony; Nicol, Rozenn

AES Convention 125 · Paper 7582 · October 2008

Abstract

Crosstalk cancellation provides a means of delivering binaural stimuli to a listener for psychoacoustic research which avoids many of the problems of using headphone in experiments. The aim of this study was to determine whether individual crosstalk cancellation filters can be used to present binaural stimuli which are perceptually indistinguishable from a real sound source. The fast deconvolution with frequency dependent regularisation method was used to design crosstalk cancellation filters. The reproduction loudspeakers were positioned at ±90 degrees azimuth and the synthesised location was 0 degrees azimuth. Eight listeners were tested with three types of stimuli. In twenty-two out of the twenty-four listener/stimulus combinations there were no perceptible differences between the real and virtual sources. The results suggest that this method of producing individualised crosstalk cancellation filters is suitable for binaural perceptual experiments.

Details

Published in
AES Convention 125
AES Convention
125
Paper number
7582
Publication date
October 6, 2008
Session subject
Listening Tests & Psychoacoustics
Affiliation
University of York; France Télécom R&D (See document for exact affiliation information.)
Type
Convention Paper