Collecting Mandible Movement in Brazilian Portuguese - Laboratoire Interdisciplinaire des Sciences du Numérique
Communication Dans Un Congrès Année : 2024

Collecting Mandible Movement in Brazilian Portuguese

Résumé

This paper reports on a corpus of Brazilian Portuguese (BP) mandible movements. The data was collected using a recently available technique, the MARRYS helmet, which allows for quick and reliable collection of mandible data of a large number of speakers. Audio and mandible were recorded from more than 90 L1 and L2 BP speakers. The recording process and signal synchronization are presented. A partial set of the corpus, based on 37 L1 speakers producing three sentences mostly composed of /a/ vowels, was segmented at the phone level. The jaw movements are compared to the sentence's prosodic structure. Results indicate that, similar to other languages, Brazilian Portuguese speakers show increased mandible lowering for stressed syllables but also quick mandible closing. Some interesting mandible opening and closing patterns are also reported on the prestress or post-stress positions in relation to the prosodic structure of Brazilian Portuguese.

Domaines

Linguistique
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Dates et versions

hal-04694958 , version 1 (11-09-2024)

Identifiants

Citer

Donna Erickson, Albert Rilliard, Malin Svensson Lundmark, Adelaide Silva, Leticia Rebollo Couto, et al.. Collecting Mandible Movement in Brazilian Portuguese. Interspeech 2024, Itshak Lapidot; Sharon Gannot, Sep 2024, Kos, Greece. pp.3145-3149, ⟨10.21437/interspeech.2024-1216⟩. ⟨hal-04694958⟩
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