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Communication dans un congrès Année : 2017

Some acoustic characteristics of the geminates in the Ikema dialect of Miyako Ryukyuan

Résumé

Ikema is an endangered Miyako Ryukyuan dialect spoken in the Okinawa islands of Japan, having a set of voiced/voiceless geminates in word-initial and medial positions. Among its obstruents, the geminates /tt ff ss vv zz tts/ appear in initial and medial positions (/tta/ ‘tongue’, /ffa/ ‘child’, /ssa/ ‘grass’, /vva/ ‘you’, /zzu/ ‘fish’, /avva/ ‘oil’) and the geminate /dd/ occurs only in medial position (/badda/ ‘side’). This paper is an acoustic description of some aspects of these geminates, as a followup to the rt-MRI study by Fujimoto and Shinohara (2015), which showed articulatory differences between voiceless and voiced, as well as singleton and geminate consonants. In this study, we analyzed sets of real words uttered several times in isolation by five native speakers by using oscillograms and spectrograms. First, we confirmed longer closure duration for plosives and affricates and longer frication noise for fricatives in geminates as compared to singletons. Second, our acoustic analyses found full voicing of voiced geminates in Ikema. This result seems to be a consequence of pharyngeal expansion identified in the MRI study during voiced geminate constriction. Third, VOT was systematically shorter for the geminate voiceless plosive (/tt/) compared to its singleton counterpart. This corresponds to the faster transition from the geminate consonants to the following vowel found in the MRI study.
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Dates et versions

hal-01667926, version 1 (19-12-2017)

Identifiants

  • HAL Id : hal-01667926 , version 1

Citer

Masako Fujimoto, Shigeko Shinohara. Some acoustic characteristics of the geminates in the Ikema dialect of Miyako Ryukyuan. the International Symposium on Monolingual and Bilingual Speech 2017, Sep 2017, Chania, Greece. pp.127-133. ⟨hal-01667926⟩
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Dernière date de mise à jour le 07/04/2024
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