ISSN 0869-6632 (Print)
ISSN 2542-1905 (Online)

For citation:

Andreyev Y. V., Koroteyev M. V. On chaotic nature of speech signals. Izvestiya VUZ. Applied Nonlinear Dynamics, 2004, vol. 12, iss. 6, pp. 44-59. DOI: 10.18500/0869-6632-2004-12-6-44-59

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Language: 
Russian
Heading: 
Deterministic Chaos
Article type: 
Article
UDC: 
621.391
DOI: 
10.18500/0869-6632-2004-12-6-44-59

On chaotic nature of speech signals

Autors: 
Andreyev Yury Vladimirovich, Moscow Institute of Physics and Technology
Koroteyev Maksim Valerevich, Moscow Institute of Physics and Technology
Abstract: 

Phonetic signals are considered from the viewpoint of nonlinear dynamics. Phase portraits of the signals are analyzed in embedding space, dimension and the largest Lyapunov exponent are estimated. It is shown that dimension of speech signals is low and the largest Lyapunov exponent is positive.

Key words: 
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Received: 
20.12.2004
Accepted: 
19.05.2005
Published: 
15.06.2005
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