Segmental Gestures at the Laryngeal Level in Whispered Speech

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Abstract
Peak intraoral air pressure and flow were measured simultaneously for the syllables /pa/and/ba/in two speaking conditions (syllable repetitions, and in carrier phrases) and in two phonation modes (normal phonation and whisper). Results indicated that 1) the difference between the intraoral air pressure for/p/and/b/was statistically significant in normal phonation, but not in whisper, 2) the difference in peak flow for/p/and /b/was statistically significant in both normal phonation and whisper, and 3) the pressure and flow data were unaffected by speaking conditions. These data, plus a subsequent analysis of intraoral pressure slopes, are taken to indicate that the voiceless and voiced members of a stop-cognate pair are produced in whisper with unique laryngeal gestures.

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