1992
DOI: 10.1121/1.404430
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Measurement of sound-pressure distribution in replicas of the oral cavity

Abstract: The spatial distributions of sound pressure in artificial oral cavities were measured to examine the characteristics of wave propagation in the vocal tract. The measurement was performed with plaster replicas of the oral cavity, and pure tones were used as the driving signals to obtain both amplitude and phase distributions at varied frequencies. Plane-wave propagation, which has been widely assumed for speech production models, was examined from the measured spatial distributions of sound pressure. Trajectori… Show more

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Cited by 16 publications
(15 citation statements)
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“…The measured sound-pressure distributions in the replicas of the oral cavities suggest the existence of resonances in the transverse direction in the vocal-tracts [4]. As shown in Fig.…”
Section: Measurement Of Sound-pressure Distributionmentioning
confidence: 66%
“…The measured sound-pressure distributions in the replicas of the oral cavities suggest the existence of resonances in the transverse direction in the vocal-tracts [4]. As shown in Fig.…”
Section: Measurement Of Sound-pressure Distributionmentioning
confidence: 66%
“…An experimental setup inspired from the work of Motoki et al (1992) has been developed to measure the acoustic pressure inside and outside of the vocal tract replicas. A scheme of this setup is presented in Fig.…”
Section: B Experimental Setupmentioning
confidence: 99%
“…From physiological considerations, Pelorson et al (1995) estimated the first cut-on frequency to lie within the range 5-10 kHz. This has been confirmed by experimental or numerical studies (Lu et al, 1993, Motoki et al, 1992. A n accurate description of higher modes propagation is found t o be particularly crucial when considering the radiation of speech at the lips (Pelorson et al, 1995).…”
Section: Theorysupporting
confidence: 52%