Nonlinearities for one-dimensional propagation in the vocal tract  

Oleh:

McGowan, S.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Journal of Phonetics vol. 19 no. 3/4 (Jul. 1991), page 425-432.

Ketersediaan

Perpustakaan PKBB Nomor Panggil: 405/JOP/19 Non-tandon: tidak ada Tandon: 3

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Isi artikel

The possibility that nonlinearities can have a significant effect during sound propagation in the vocal tract is discussed. One-dimensional propagation is considered here, with only a mention of nonlinear instability of the glottal jet. A review of previous work suggests that a significant amount of energy exchange can take place between the harmonics of the voice due to nonlinear interaction. Acknowledging the existence of mechanisms for the nonlinear exchange of energy in the vocal tract in one-dimensional propagation does not alter the source-filter picture radically: the shape of the vocal tract still determines the resonance frequencies. The practical effect of these nonlinearities is to raise the question of what aspects of the speech spectrum should be attributed to the source and what to the filter.

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