Power spectral entropy as an information-theoretic correlate of manner of articulation in American English | Zendy

Fernando Llanos | Zendy; Joshua M. Alexander | Zendy; Christian E. Stilp | Zendy; Keith R. Kluender | Zendy

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Power spectral entropy as an information-theoretic correlate of manner of articulation in American English

Author(s) -

Fernando Llanos,

Joshua M. Alexander,

Christian E. Stilp,

Keith R. Kluender

Publication year - 2017

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.4976109

Subject(s) - articulation (sociology) , american english , spectral density , acoustics , speech recognition , computer science , entropy (arrow of time) , place of articulation , manner of articulation , speech sound , power (physics) , linguistics , physics , telecommunications , philosophy , vowel , quantum mechanics , consonant , politics , political science , law

While all languages differentiate speech sounds by manner of articulation, none of the acoustic correlates proposed to date seem to account for how these contrasts are encoded in the speech signal. The present study describes power spectral entropy (PSE), which quantifies the amount of potential information conveyed in the power spectrum of a given sound. Results of acoustic analyses of speech samples extracted from the Texas Instruments-Massachusetts Institute of Technology database reveal a statistically significant correspondence between PSE and American English major classes of manner of articulation. Thus, PSE accurately captures an acoustic correlate of manner of articulation in American English.

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