Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 327697
Title Quantitative modelling of the biomechanics of the avian syrinx
Author(s) Elemans, C.P.H.; Larsen, O.N.; Hoffmann, M.R.; Leeuwen, J.L. van
Source Animal Biology 53 (2003)2. - ISSN 1570-7555 - p. 183 - 193.
Department(s) Experimental Zoology
Hydrology and Quantitative Water Management
Publication type Refereed Article in a scientific journal
Publication year 2003
Keyword(s) sound generation - songbirds - vocalizations - oscillation - mechanisms - behavior - birds - song
Abstract We review current quantitative models of the biomechanics of bird sound production. A quantitative model of the vocal apparatus was proposed by Fletcher (1988). He represented the syrinx (i.e. the portions of the trachea and bronchi with labia and membranes) as a single membrane. This membrane acts as a valve that rapidly closes and opens during phonation. This model can be used as a basis to address comparative morphological and physiological questions. More recently, the syrinx was modelled as a simple modified oscillator. Many features of the sound were captured remarkably well. The parameter values, however, did not represent the distribution of the actual material properties of the syrinx. These models demonstrated the minimum number of parameters required to describe the essential dynamics of the sound signal. Furthermore, we address possible interesting future directions for modelling.
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