Medizinische Physik

The influence of pause, attack, and decay duration of the ongoing envelope on sound lateralization

Mathias Dietz, Martin Klein-Hennig, Volker Hohmann (2015)
J. Acoust. Soc. Am. 137, EL137 (2015); published online 2 February 2015

Klein-Hennig et al. [J. Acoust. Soc. Am. 129, 3856–3872 (2011)] introduced a class of high-frequency stimuli for which the envelope shape can be altered by independently varying the attack, hold, decay, and pause durations. These stimuli, originally employed for testing the shape dependence of human listeners' sensitivity to interaural temporal differences (ITDs) in the ongoing envelope, were used to measure the lateralization produced by fixed interaural disparities. Consistent with the threshold ITD data, a steep attack and a non-zero pause facilitate strong ITD-based lateralization. In contrast, those conditions resulted in the smallest interaural level-based lateralization.

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