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Communication Dans Un Congrès Année : 2023

Acoustic and Aerodynamic Features of Hadza Clicks

Résumé

Hadza has 4 clicks in its sound inventory: bilabial, dental, alveolar and lateral [ʘ, |, !, ‖] that can be aspirated, glottal and nasal [ʘ̰ , |ʔ, |h, ɴ|, ɴ|ʔ, !ʔ, !h, ɴ!, ɴ!ʔ, ‖, ‖h, ɴ‖h, ɴ‖ʔ]. The bilabial click [ʘ] has a noisy release and is defined as [grave & noisy]. Acoustically the oral clicks [|, !, ‖] are described with 2 features [grave vs. acute] and [abrupt vs. noisy]. The [grave] feature defining the alveolar click [!] has a peak in the FFT spectrum around 2 kHz. The [acute] feature defining the dental and lateral clicks [|, ‖] has a peak around 6 kHz for the dental and an emphasis in frequencies between 4 & 5 kHz for the lateral click (all peaks in rounded values). The difference between the [abrupt] [!, ‖] also has a duration component, i.e. short burst vs short noise band.

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Dates et versions

hal-04248345 , version 1 (18-10-2023)

Identifiants

  • HAL Id : hal-04248345 , version 1

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Didier Demolin, Alain Ghio, Andrew Harvey. Acoustic and Aerodynamic Features of Hadza Clicks. 20th International Congress of Phonetic Sciences, 2023, Praha, Czech Republic. pp.3387-3391. ⟨hal-04248345⟩
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