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    Characteristics of air puffs produced in English 'pa': Experiments and simulations (2009)

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    Type of Content
    Journal Article
    UC Permalink
    https://hdl.handle.net/10092/18045
    
    Publisher's DOI/URI
    https://doi.org/10.1121/1.3081496
    
    Publisher
    Acoustical Society of America (ASA)
    ISSN
    0001-4966
    1520-8524
    Language
    English
    Collections
    • NZILBB: Journal Articles [18]
    Authors
    Derrick, Donald cc
    Anderson P
    Gick B
    Green S
    show all
    Abstract

    Three dimensional large eddy simulations, microphone "pop" measurements, and high-speed videos of the airflow and lip opening associated with the syllable "pa" are presented. In the simulations, the mouth is represented by a narrow static ellipse with a back pressure dropping to 110th of its initial value within 60 ms of the release. The simulations show a jet penetration rate that falls within range of the pressure front of microphone pop. The simulations and high-speed video experiments were within 20% agreement after 40 ms, with the video experiments showing a slower penetration rate than the simulations during the first 40 ms. Kinematic measurements indicate that rapid changes in lip geometry during the first 40 ms underlie this discrepancy. These findings will be useful for microphone manufacturers, sound engineers, and researchers in speech aerodynamics modeling and articulatory speech synthesis.

    Citation
    Derrick D, Anderson P, Gick B, Green S (2009). Characteristics of air puffs produced in English 'pa': Experiments and simulations. Journal of the Acoustical Society of America. 125(4). 2272-2281.
    This citation is automatically generated and may be unreliable. Use as a guide only.
    Keywords
    Lip; Humans; Sound Spectrography; Speech; Pressure; Time Factors; Phonetics; Computer Simulation; Video Recording; Male; Biomechanical Phenomena
    ANZSRC Fields of Research
    47 - Language, communication and culture::4704 - Linguistics

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    • Three speech sounds, one motor action: Evidence for speech-motor disparity from English flap production 

      Derrick, Donald; Stavness, I.; Gick, B. (University of Canterbury. New Zealand Institute of Language, Brain & Behaviour, 2015)
      The assumption that units of speech production bear a one-to-one relationship to speech motor actions pervades otherwise widely varying theories of speech motor behavior. This speech produc- tion and simulation study ...
    • Visual-tactile integration in speech perception : evidence for modality neutral speech primitives. 

      Bicevskis K; Derrick, Donald; Gick B (Acoustical Society of America (ASA), 2016)
      © 2016 Acoustical Society of America. Audio-visual [McGurk and MacDonald (1976). Nature 264, 746-748] and audio-tactile [Gick and Derrick (2009). Nature 462(7272), 502-504] speech stimuli enhance speech perception over ...
    • Mask-less oral and nasal audio recording and air flow estimation for speech analysis 

      Derrick, Donald; Duerr J; Kerr RG (Institution of Engineering and Technology (IET), 2019)
      Here is demonstrated Rivener, a mask-less oral and nasal audio recorder and air flow estimation system. This system records audio and low-frequency pseudo-sound from the nares and mouth. The system does not interfere with ...
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