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

Abstract : Non-invasive techniques (such as the so-called RAVE) were developed to characterize vocal-tract acoustics using a broadband excitation and a microphone positioned closed to the lips. The measured pressure for an open-mouth condition, calibrated by a mouth-closed reference condition, provides estimates of the radiating vocal-tract resonance 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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https://hal.archives-ouvertes.fr/hal-02550620
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Submitted on : Wednesday, April 22, 2020 - 12:45:32 PM
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  • HAL Id : hal-02550620, version 1

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Timothée Maison, Fabrice Silva, Christophe Vergez, Nathalie Henrich Bernardoni. Measuring vocal-tract impedance at the lips: model, hypotheses and limits. International Conference on Voice Physiology and Biomechanics ICVPB2020 March Edition, Mar 2020, Grenoble, France. ⟨hal-02550620⟩

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