Measuring vocal-tract impedance at the lips: model, hypotheses and limits

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Date

18 mars 2020

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HAL SHS (Sciences de l’Homme et de la Société)

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Archives ouvertes

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Centre pour la communication scientifique directe

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info:eu-repo/semantics/OpenAccess

Mots-clés En Und

acoustic resonator radiation vocal tract impedance -ph]

Sujets proches En

Instruction and study--Methods Acoustics Natural science Sciences Science of science Measuring Mensuration Physiological acoustics Audition (Physiology) Acoustics Pattern Model Instruction and study--Methods Estimates and cost

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Timothée Maison et al., « Measuring vocal-tract impedance at the lips: model, hypotheses and limits », HAL SHS (Sciences de l’Homme et de la Société), ID : 10670/1.fb0fe7...

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Résumé En

Non-invasive techniques (such as the so-called RAVE) were developed to characterize vocal-tract acoustics usinga broadband excitation and a microphone positioned closed to the lips. The measured pressure for an open-mouthcondition, calibrated by a mouth-closed reference condition, provides estimates of the radiating vocal-tractresonance frequencies. Recently, exponential-sweep-based methods were reported to measure vocal-tract impedance. We propose to explicit the underlying hypotheses of such approaches, and to test their validity domain.

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