The temporal course of simultaneous tone-on-tone masking

Sid P. Bacon, Neal F Viemeister

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62 Scopus citations


Threshold for a 20-ms, 1-kHz signal was measured as a function of its temporal position within a longer duration gated masker; masker frequencies were below, at, and above 1 kHz. For a masker frequency above the signal frequency, there is a sizable temporal effect: As the onset of the signal is delayed, threshold decreases rapidly but then increases again as the signal approaches masker offset. Similar results can be observed for a masker frequency below the signal frequency, but that temporal effect is due to the detection of the cubic difference tone. The implication of this frequency-dependent temporal effect for measuring psychophysical tuning curves is discussed.

Original languageEnglish (US)
Pages (from-to)1231-1235
Number of pages5
JournalJournal of the Acoustical Society of America
Issue number4
StatePublished - Oct 1985

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Copyright 2016 Elsevier B.V., All rights reserved.


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