Effects of harmonic roving on pitch discrimination

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Performance in pitch discrimination tasks is limited by variability intrinsic to listeners which may arise from peripheral auditory coding limitations or more central noise sources. Perceptual limitations may be characterized by measuring an observer’s change in performance when introducting external noise in the physical stimulus (Lu and Dosher, 2008). The present study used this approach to attempt to quantify the “internal noise” involved in pitch coding of harmonic complex tones by estimating the amount of harmonic roving required to impair pitch discrimination performance. It remains a matter of debate whether pitch perception of natural complex sounds mostly relies on either spectral excitation-based information or temporal periodicity information. Comparing the way internal noise affects the internal representations of such information to how it affects pitch discrimination performance may help clarify pitch coding mechanisms. As training on frequency discrimination tasks has been found to result in a reduction of internal noise (Jones et al., 2013), it was also investigated whether the effect of harmonic roving varied with musical training
Original languageEnglish
Publication date2015
Number of pages1
Publication statusPublished - 2015
Event169th Meeting of the Acoustical Society of America - Wyndham Grand Pittsburgh Downtown Hotel, Pittsburgh, Pa, United States
Duration: 18 May 201522 May 2015

Conference

Conference169th Meeting of the Acoustical Society of America
LocationWyndham Grand Pittsburgh Downtown Hotel
CountryUnited States
CityPittsburgh, Pa
Period18/05/201522/05/2015

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