Spectral regularity as a factor distinct from harmonic relations in auditory grouping.
- 1 January 1996
- journal article
- Published by American Psychological Association (APA) in Journal of Experimental Psychology: Human Perception and Performance
- Vol. 22 (3) , 604-614
- https://doi.org/10.1037//0096-1523.22.3.604
Abstract
When the regular spectral pattern formed by an odd-harmonic complex (the base) is disrupted by an added even harmonic, the added component is judged as more salient than its neighbors. This study considered whether the effects of spectral pattern on perceptual segregation are restricted to harmonic stimuli. Participants either rated the clarity or judged the relative pitch of a cued component in a series of complex tones. The difference in clarity between added and base components found for the harmonic complexes was not reduced when the complexes were made inharmonic either by a frequency shift or by spectral stretch or compression. However, the added-base difference could be abolished for an inharmonic complex when the distribution of components across frequency was made uniform. These findings suggest that spectral regularity is a factor distinct from harmonic relations in auditory grouping.Keywords
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