An series of experiments were conducted in order to measure the audibility thresholds of phase differences between channels using mismatched cross-over networks. In Part 1 of this study, it was shown that listeners are able to detect very small inter-channel phase differences when presented with wide-band stimuli over headphones, and that the threshold was frequency dependent. This second part of the investigation focuses on listeners' abilities with narrow-band signals (from 63 to 8000\,Hz) in headphones as well as loudspeakers. The results confirm the frequency dependency of the audibility threshold over headphones, whereas for loudspeaker playback the threshold was essentially independent of the frequency.

Authors: Choisel, Sylvain; Martin, Geoff
Affiliation: Bang & Olufsen a/s
AES Convention: 125 (October 2008) Paper Number: 7559
Publication Date: October 1, 2008
Subject: Nonlinearities in Loudspeakers

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