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All Journal International Journal of Forensic Linguistic
Sara Carralero-Fernandez
Universidad Complutense de Madrid
Languange, Linguistic, Communication & Media

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Speaker-specific information in the acoustic characteristics of English fricatives Sara Carralero-Fernandez
IJFL (International Journal of Forensic Linguistic) Vol. 3 No. 1 (2022)
Publisher : Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/ijfl.3.1.4449.105-115

Abstract

There is still much to learn about speakers’ similarities and differences in the field of Forensic Phonetics with respect to consonant acoustics. This article analyses of acoustic features of three sibilants /s, z, ʃ/ in British English. The analyses have been carried out on twenty male speakers from the DyViS corpus focusing on static features (intensity, centre of gravity, standard deviation, skewness and kurtosis) and dynamic features (centre of gravity depending on F2 vowel onset and offset) to see if they cue speaker-specific information. The results obtained demonstrate the high speaker-specificity of centre of gravity, standard deviation and intensity. However, we must be careful with intensity because it depends on the recording circumstances. As for skewness and kurtosis, they show speaker-specificity for /z/, but results are weaker the other two. This article has shown that spectral and acoustic properties of these three sibilants in English present promising results.
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