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Arneodo, E.M.; Mindlin, G.B. "Source-tract coupling in birdsong production" (2009) Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 79(6)
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Abstract:

Birdsong is a complex phenomenon, generated by a nonlinear vocal device capable of displaying complex solutions even under simple physiological motor commands. Among the peripheral physical mechanisms responsible for the generation of complex sounds in songbirds, the understanding of the dynamics emerging from the interaction between the sound source and the upper vocal tract remains most elusive. In this work we study a highly dissipative limit of a simple sound source model interacting with a tract, mathematically described in terms of a delay differential equation. We explore the system numerically and, by means of reducing the problem to a phase equation, we are capable of studying its periodic solutions. Close in parameter space to the point where the resonances of the tract match the frequencies of the uncoupled source solutions, we find coexistence of periodic limit cycles. This hysteresis phenomenon allows us to interpret recently reported features found in the vocalization of some songbirds, in particular, "frequency jumps." © 2009 The American Physical Society.

Registro:

Documento: Artículo
Título:Source-tract coupling in birdsong production
Autor:Arneodo, E.M.; Mindlin, G.B.
Filiación:Department of Physics, FCEyN, Ciudad Universitaria, Pab I, Buenos Aires, CP 1428, Argentina
Palabras clave:Close-in; Complex solution; Complex sounds; Delay differential equations; Hysteresis phenomenon; Limit cycle; Motor commands; Parameter spaces; Periodic solution; Phase equation; Physical mechanism; Sound source; Vocal-tract; Differential equations; Acoustic generators
Año:2009
Volumen:79
Número:6
DOI: http://dx.doi.org/10.1103/PhysRevE.79.061921
Título revista:Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
Título revista abreviado:Phys. Rev. E Stat. Nonlinear Soft Matter Phys.
ISSN:15393755
CODEN:PLEEE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15393755_v79_n6_p_Arneodo

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Citas:

---------- APA ----------
Arneodo, E.M. & Mindlin, G.B. (2009) . Source-tract coupling in birdsong production. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 79(6).
http://dx.doi.org/10.1103/PhysRevE.79.061921
---------- CHICAGO ----------
Arneodo, E.M., Mindlin, G.B. "Source-tract coupling in birdsong production" . Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 79, no. 6 (2009).
http://dx.doi.org/10.1103/PhysRevE.79.061921
---------- MLA ----------
Arneodo, E.M., Mindlin, G.B. "Source-tract coupling in birdsong production" . Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, vol. 79, no. 6, 2009.
http://dx.doi.org/10.1103/PhysRevE.79.061921
---------- VANCOUVER ----------
Arneodo, E.M., Mindlin, G.B. Source-tract coupling in birdsong production. Phys. Rev. E Stat. Nonlinear Soft Matter Phys. 2009;79(6).
http://dx.doi.org/10.1103/PhysRevE.79.061921