Effect of stimulus bandwidth and duration on monaural envelope correlation perception | Zendy

Emily Buss | Zendy; Huanping Dai | Zendy; Joseph W. Hall | Zendy

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Effect of stimulus bandwidth and duration on monaural envelope correlation perception

Author(s) -

Emily Buss,

Huanping Dai,

Joseph W. Hall

Publication year - 2014

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.4903914

Subject(s) - monaural , stimulus (psychology) , correlation , bandwidth (computing) , acoustics , perception , audiology , second order stimulus , physics , computer science , mathematics , psychology , telecommunications , visual perception , medicine , cognitive psychology , neuroscience , geometry

Monaural envelope correlation perception is the ability to discriminate between stimuli composed of two or more bands of noise based on envelope correlation. Sensitivity decreases as stimulus bandwidth is reduced below 100 Hz. The present study manipulated stimulus bandwidth (25-100 Hz) and duration (25-800 ms) to evaluate whether performance of highly trained listeners is limited by the number of inherent modulation periods in each presentation. Stimuli were two bands of noise, separated by a 500-Hz gap centered on 2250 Hz. Performance improved reliably with increasing numbers of envelope modulation periods, although there were substantial individual differences.

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