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Title: Cumulative effects of phonetic context on speech perception
Authors: Zhang, C 
Peng, G
Wang, X
Wang, WSY
Keywords: Context effect
Talker normalization
Speech perception
Lexical tone
Issue Date: Sep-2015
Publisher: University of Glasgow
Source: In The Scottish Consortium for ICPhS 2015 (Ed.), Proceedings of the 18th International Congress of Phonetic Sciences. Glasgow, UK: the University of Glasgow. ISBN 978-0-85261-941-4. Paper number 0085.1-5 retrieved from How to cite?
Abstract: Different speakers produce speech sounds differently. The phonetic context is known to facilitate the recovering of phonological categories from productions with talker variation. However, whether the context effect originates from central auditory processing or speech-related processing remains debated. It is worth noting that the context effect may be a combined effect, contributed by both auditory and speech-related processing. To investigate this question, we compared the effect of four types of contexts with incrementally more cues (nonspeech, reversed speech, meaningless speech and meaningful speech) on perception of Cantonese level tones. Results indicate that the context effect is a product of multiple levels of processing, with the primary contribution from phonological cues (meaningless speech context). The contribution of auditory cues is negligible, and that of phonetic cues and semantic+syntactic cues is both moderate. Phonological cues likely enable listeners to calibrate the acoustic-to-phonological mapping of speech sounds for each talker, facilitating the categorization.
Description: 18th International Congress of Phonetic Sciences, 10-14 Aug 2015, SECC, Glasgow, Scotland, UK
ISBN: 978-0-85261-941-4 (online)
978-0-85261-942-1 (USB)
Rights: According to a recent decision by the Permanent Council for the Organization of the International Congresses of Phonetic Sciences, the Proceedings of ICPhS 2015 will be posted on the IPA online public archive of ICPhS conference papers, under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License (CC BY-NC-ND 3.0). This means that the work must be attributed to the author (BY clause), no one can use the work commercially (NC clause), and the work cannot be modified by anyone who re-uses it (ND clause).
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