Whistling in alveolar fricatives: Evidence from two speech modes

Jesus, L. (2024)

Journal of the Acoustical Society of America 156(4, Pt. 2), A109.

The tongue constriction observed in alveolar fricatives, forming an unstable jet and boundary layer at the teeth, can be accompanied by a front cavity feedback mechanism that reinforces this instability, generating a narrow- bandwidth peak as observed in whistling. This study presents new evidence of a generalised use of this mechanism in speech, based on acoustic recordings of eight female speakers from the same dialectal region in Portugal...

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