NDLI: Auditory Sensitivity to Formant Ratios:Toward an Account of Vowel Normalization.

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Auditory Sensitivity to Formant Ratios:Toward an Account of Vowel Normalization.

Content Provider	Semantic Scholar
Author	Monahan, Philip J. Idsardi, William J.
Copyright Year	2010
Abstract	A long-standing question in speech perception research is how do listeners extract linguistic content from a highly variable acoustic input. In the domain of vowel perception, formant ratios, or the calculation of relative bark differences between vowel formants, have been a sporadically proposed solution. We propose a novel formant ratio algorithm in which the first (F1) and second (F2) formants are compared against the third formant (F3). Results from two magnetoencephelographic (MEG) experiments are presented that suggest auditory cortex is sensitive to formant ratios. Our findings also demonstrate that the perceptual system shows heightened sensitivity to formant ratios for tokens located in more crowded regions of the vowel space. Additionally, we present statistical evidence that this algorithm eliminates speaker-dependent variation based on age and gender from vowel productions. We conclude that these results present an impetus to reconsider formant ratios as a legitimate mechanistic component in the solution to the problem of speaker normalization.
Starting Page	808
Ending Page	839
Page Count	32
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://ling.umd.edu/~ellenlau/courses/ling646/Monahan_2010.pdf
Alternate Webpage(s)	http://www.socsci.uci.edu/~jsprouse/courses/s12/155/readings/Monahan.2010.pdf
PubMed reference number	20606713v1
Volume Number	25
Issue Number	6
Journal	Language and cognitive processes
Language	English
Access Restriction	Open
Subject Keyword	Auditory area CNS disorder Categories Degenerative polyarthritis Linguistics Manuscripts Sample Variance Speech Disorders algorithm
Content Type	Text
Resource Type	Article

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