Abstract:
Birdsong is a complex phenomenon, generated by a nonlinear vocal device capable of displaying complex solutions even under simple physiological motor commands. The variety of morphologies among bird species makes it an ideal model to study phenomena associated to the production of complex vocalizations. In the way of understanding how these varied, complex sounds are produced in the vocal organ, little has been learned about the acoustic effects introduced by the interaction between a sound source and a vocal tract. Inspired in the sound production mechanisms of songbirds, we propose a mathematical model of a vocal organ, in which a simple sound source interacts with a tract, leading to a delay differential equation. We explore this system numerically, focusing on the regions in parameter space where the frequencies of the oscillatory solutions of the uncoupled source are close to the resonances of the tract. In this way, we search for effects introduced by the soure-tract coupling which are observable in the acoustic features of the vocalizations produced in the system. By studying the system analytically, we put these effects in the context of the nonlinear dynamics of the model.
Registro:
| Documento: |
Conferencia
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| Título: | Observable effects of sound source-tract coupling |
| Autor: | Arneodo, E.M.; Perl, Y.S.; Mindlin, G.B. |
| Ciudad: | Rio de Janeiro |
| Filiación: | Laboratorio de Sistemas Dinámicos, Departamento de Fśica, Universidad de Buenos Aires, Pabellón I, (C1428EGA), Buenos Aires, Argentina
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| Palabras clave: | Acoustic effects; Acoustic features; Bird species; Complex solution; Complex sounds; Delay differential equations; Ideal model; Motor commands; Oscillatory solutions; Parameter spaces; Sound production; Sound source; Vocal-tracts; Acoustics; Bioacoustics; Birds; Differential equations; Mathematical models; Acoustic generators |
| Año: | 2011
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| Volumen: | 1
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| Página de inicio: | 887
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| Página de fin: | 894
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| Título revista: | 18th International Congress on Sound and Vibration 2011, ICSV 2011
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| Título revista abreviado: | Int. Congr. Sound Vib., ICSV
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| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_97816183_v1_n_p887_Arneodo |
Referencias:
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- Goller, F., Cooper, B.G., Peripheral motor dynamics of song production in the zebra finch (2004) Annals of the New York Academy of Sciences, 1016, pp. 130-152. , Behavioral Neurobiology of Birdsong
- Mindlin, G., Laje, R., (2005) The Physics of Birdsong, , Springer
- Laje, R., Gardner, T.J., Mindlin, G.B., Neuromuscular control of vocalizations in birdsong: A model (2002) Phys. Rev. e, 65 (5), p. 051921. , May
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- Strogatz, S.H., (2000) Nonlinear Dynamics and Chaos, , Perseus Publishing, Cambridge, Massachusetts
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- Arneodo, E.M., Perl, Y.S., Mindlin, G.B., Acoustic signatures of sound source-tract coupling (2011) Phys. Rev. e, 83 (4), p. 041920. , Apr
Citas:
---------- APA ----------
Arneodo, E.M., Perl, Y.S. & Mindlin, G.B.
(2011)
. Observable effects of sound source-tract coupling. 18th International Congress on Sound and Vibration 2011, ICSV 2011, 1, 887-894.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_97816183_v1_n_p887_Arneodo [ ]
---------- CHICAGO ----------
Arneodo, E.M., Perl, Y.S., Mindlin, G.B.
"Observable effects of sound source-tract coupling"
. 18th International Congress on Sound and Vibration 2011, ICSV 2011 1
(2011) : 887-894.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_97816183_v1_n_p887_Arneodo [ ]
---------- MLA ----------
Arneodo, E.M., Perl, Y.S., Mindlin, G.B.
"Observable effects of sound source-tract coupling"
. 18th International Congress on Sound and Vibration 2011, ICSV 2011, vol. 1, 2011, pp. 887-894.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_97816183_v1_n_p887_Arneodo [ ]
---------- VANCOUVER ----------
Arneodo, E.M., Perl, Y.S., Mindlin, G.B. Observable effects of sound source-tract coupling. Int. Congr. Sound Vib., ICSV. 2011;1:887-894.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_97816183_v1_n_p887_Arneodo [ ]
