Psychometric properties associated with perceived vocal roughness using a matching task | Zendy

David A. Eddins | Zendy; Rahul Shrivastav | Zendy

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Psychometric properties associated with perceived vocal roughness using a matching task

Author(s) -

David A. Eddins,

Rahul Shrivastav

Publication year - 2013

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.4819183

Subject(s) - psychometric function , computer science , perception , matching (statistics) , stimulus (psychology) , speech recognition , surface finish , acoustics , noise (video) , power function , range (aeronautics) , psychophysics , mathematics , artificial intelligence , statistics , psychology , cognitive psychology , materials science , physics , mathematical analysis , image (mathematics) , neuroscience , composite material

A psychophysical matching paradigm has been used to better quantify voice quality under laboratory conditions. The goals of this study were to establish which of two candidate comparison stimuli would best ensure that the range of perceived vocal roughness could be adequately bracketed using a matching task and to provide a general solution to the problem of estimating vocal roughness. Psychometric functions for roughness matching indicated that a speech-like sawtooth-plus-noise complex (20 dB signal-to-noise ratio) amplitude modulated by a sinusoidal function raised to the 4th power yielded a comparison stimulus with a perceptual dynamic range well suited for roughness matching.

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