Voice Onset Time en code-switching anglais-fran\ccais : une \'etude des occlusives sourdes en d\'ebut de mot (Voice Onset Time in English-French code-switching : a study of word-initial voiceless stop consonants)
Le {`}code-switching{''} ou l{'}alternance codique - l{'}alternance entre plusieurs langues dans une seule interaction - offre une occasion unique d{'}observer comment les locuteurs multilingues utilisent leurs langues. R{\'e}cemment, des {\'e}tudes phon{\'e}tiques sur les qualit{\'e}s acoustiques des {\'e}nonc{\'e}s codeswitch{\'e}s, telles que le VOT, ont examin{\'e} comment les locuteurs {\'e}quilibrent plusieurs syst{\e}mes phonologiques. La pr{\'e}sente {\'e}tude examine les effets du code-switching sur le VOT des occlusives sourdes /p t k/ produites par les locuteurs bilingues anglais-fran{\c{c}}ais (L1 anglais et L1 fran{\c{c}}ais), d{'}une acquisition tardive de leur L2. Les donn{\'e}es ont {\'e}t{\'e} recueillies {\`a} partir des enregistrements de discours conversationnels, entre des bin{\^o}mes de participants. Pour les participants francophones (L1 fran{\c{c}}ais), le VOT du /p/ des mots anglais {\'e}tait plus long lors d{'}un code-switch (du fran{\c{c}}ais, vers l{'}anglais) que dans un {\'e}nonc{\'e} tir{\'e} d{'}une conversation monolingue anglais, et le VOT du /t/ {\'e}tait plus court. Aucun effet de contexte (le fait qu{'}une occlusive mesur{\'e}e vienne d{'}un code-switch vers l{'}anglais ou lors d{'}une conversation monolingue anglais) n{'}a {\'e}t{\'e} observ{\'e} pour les anglophones (L1 anglais).
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