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A Lightweight, Headphones-based System for Manipulating Auditory Feedback in Songbirds
Published on: November 26, 2012
[Principles of the acoustic communication between humans and birds]
1Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Leninskii pr. 33, Moscow, 119071 Russia. sevin@orc.ru
Abstract:
We analyzed the mechanism of alarm call generation in various bird species, species-specific calls in closely related species, and intraspecific differences in calls. Production of these signals proved to rely on common mechanism: variation of temporal indices within the frequency range limited by morphological structures of the vocal apparatus. These mechanisms underlie development of acoustic synthesizers mediating communication with birds and control of their behavior. The obtained data are discussed in terms of these signals processing by the auditory system of birds.
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