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  Acoustic structure of the five perceptual dimensions of timbre in orchestral instrument tones

Elliott, T. M., Hamilton, L. S., & Theunissen, F. E. (2013). Acoustic structure of the five perceptual dimensions of timbre in orchestral instrument tones. Journal of the Acoustical Society of America, 133(1), 389-404. doi:10.1121/1.4770244.

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 Creators:
Elliott, T. M., Author
Hamilton, L. S., Author
Theunissen, Frederic E.1, Author           
Affiliations:
1University Berkeley, USA, ou_persistent22              

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Free keywords: Acoustic Stimulation *Acoustics Adult Algorithms Audiometry Discriminant Analysis Discrimination (Psychology) Female Fourier Analysis Humans Judgment Male Models, Psychological *Music Pitch Discrimination *Pitch Perception Psychoacoustics Reproducibility of Results Sound Spectrography Time Factors Young Adult
 Abstract: Attempts to relate the perceptual dimensions of timbre to quantitative acoustical dimensions have been tenuous, leading to claims that timbre is an emergent property, if measurable at all. Here, a three-pronged analysis shows that the timbre space of sustained instrument tones occupies 5 dimensions and that a specific combination of acoustic properties uniquely determines gestalt perception of timbre. Firstly, multidimensional scaling (MDS) of dissimilarity judgments generated a perceptual timbre space in which 5 dimensions were cross-validated and selected by traditional model comparisons. Secondly, subjects rated tones on semantic scales. A discriminant function analysis (DFA) accounting for variance of these semantic ratings across instruments and between subjects also yielded 5 significant dimensions with similar stimulus ordination. The dimensions of timbre space were then interpreted semantically by rotational and reflectional projection of the MDS solution into two DFA dimensions. Thirdly, to relate this final space to acoustical structure, the perceptual MDS coordinates of each sound were regressed with its joint spectrotemporal modulation power spectrum. Sound structures correlated significantly with distances in perceptual timbre space. Contrary to previous studies, most perceptual timbre dimensions are not the result of purely temporal or spectral features but instead depend on signature spectrotemporal patterns.

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Language(s): eng - English
 Dates: 2013
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: Other: 23297911
DOI: 10.1121/1.4770244
 Degree: -

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Title: Journal of the Acoustical Society of America
Source Genre: Journal
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Publ. Info: New York, etc. : American Institute of Physics for the Acoustical Society of America.
Pages: - Volume / Issue: 133 (1) Sequence Number: - Start / End Page: 389 - 404 Identifier: ISSN: 0001-4966
CoNE: https://pure.mpg.de/cone/journals/resource/110975506069643