Abstract
Acoustics of creaky voice
The Journal of the Acoustical Society of America, Vol.86(S1), pp.S26-S26
11/01/1989
DOI: 10.1121/1.2027433
Abstract
Creaky voice seems to be perceived as some combination of low pitch and roughness. Preliminary perceptual experiments suggest that whenever the fundamental frequency drops below about 70 Hz, pulses are perceived in phonation. The combination of several closely spaced harmonics of different (and varying) amplitudes may then add roughness if the harmonies fall within the same critical band. In addition to relaxing the laryngeal muscles to produce low F0, the larynx can create asymmetric vibrations and mode changes that produce subharmonic components. These contribute to the perception of low F0. Subharmonics are a result of bifurcation of a single stable vibratory state into multiple quasistable states and can lead to chaotic vibratory behavior if asymmetries or nonlinearities in the system are increased.
Details
- Title: Subtitle
- Acoustics of creaky voice
- Creators
- Ingo R. Titze - University of Iowa
- Resource Type
- Abstract
- Publication Details
- The Journal of the Acoustical Society of America, Vol.86(S1), pp.S26-S26
- DOI
- 10.1121/1.2027433
- ISSN
- 0001-4966
- eISSN
- 1520-8524
- Language
- English
- Date published
- 11/01/1989
- Academic Unit
- School of Music; Communication Sciences and Disorders
- Record Identifier
- 9984719736802771
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