Reduced contribution of non-simultaneous mistuned harmonics to residue pitch.

Gockel, Hedwig and Plack, Christopher J. and Carlyon, Robert P. (2005) Reduced contribution of non-simultaneous mistuned harmonics to residue pitch. Journal of the Acoustical Society of America, 118 (6). pp. 3783-3793. ISSN 0001-4966

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Ciocca and Darwin [V. Ciocca and C. J. Darwin, J. Acoust. Soc. Am. 105, 2421–2430 (1999)] reported that the shift in residue pitch caused by mistuning a single harmonic (the fourth out of the first 12) was the same when the mistuned harmonic was presented after the remainder of the complex as when it was simultaneous, even though subjects were asked to ignore the pure-tone percept. The present study tried to replicate this result, and investigated the role of the presence of the nominally mistuned harmonic in the matching sound. Subjects adjusted a "matching" sound so that its pitch equaled that of a subsequent 90-ms complex tone (12 harmonics of a 155-Hz F0), whose mistuned (±3%) third harmonic was presented either simultaneously with or after the remaining harmonics. In experiment 1, the matching sound was a harmonic complex whose third harmonic was either present or absent. In experiments 2A and 2B, the target and matching sound had nonoverlapping spectra. Pitch shifts were reduced both when the mistuned component was nonsimultaneous, and when the third harmonic was absent in the matching sound. The results indicate a shorter than originally estimated time window for obligatory integration of nonsimultaneous components into a virtual pitch.

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Journal Article
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Journal of the Acoustical Society of America
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31 Oct 2008 16:25
Last Modified:
14 Sep 2023 23:40