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| Research article summary (published 29 Nov 2002): |
Virtual pitch integration for asynchronous harmonics.
Full Abstract
This experiment examined the generation of virtual pitch for harmonically related tones that do not overlap in time. The interval between successive tones was systematically varied in order to gauge the integration period for virtual pitch. A pitch discrimination task was employed, and both harmonic and nonharmonic tone series were tested. The results confirmed that a virtual pitch can be generated by a series of brief, harmonically related tones that are separated in time. Robust virtual pitch information can be derived for intervals between successive 40-ms tones of up to about 45 ms, consistent with a minimum estimate of integration period of about 210 ms. Beyond intertone intervals of 45 ms, performance becomes more variable and approaches an upper limit where discrimination of tone sequences can be undertaken on the basis of the individual frequency components. The individual differences observed in this experiment suggest that the ability to derive a salient virtual pitch varies across listeners.
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Author information
Author/s: Grose, John H (JH); Hall, Joseph W (JW); Buss, Emily (E);
Affiliation: Department of Otolaryngology/Head & Neck Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7070, USA. jhg(-atsign-)med.unc.edu
Grants: 5 R01 DC00418-13 (Agency:United States NIDCD)
Journal and publication information
Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S.
Journal: The Journal of the Acoustical Society of America (J Acoust Soc Am), published in United States. (Language: eng)
Reference: 2002-Dec; vol 112 (issue 6) : pp 2956-61
Dates: Created 2003/01/01; Completed 2003/03/04; Revised 2007/11/14;
PMID: 12509016, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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