| C. K. Catchpole and P. J. Slater. Bird Song - Biological themes and variations. Cambridge University Press, 1995. |
....tube[6] as the beak closes. In this paper, we will examine each one of these synthesis problems one by one and finally demonstrate how they can be interconnected to simulate the sounds of birds. 3. VOCAL SOURCE MODEL Bird song has been a topic of investigation for many years among ornithologists[10] and composers such as Messiaen (e.g. Catalogue d Oisseaux) But it was Greenewalt[2] who first proposed an acoustical model for sound production. His work forms the basis of subsequent work on the acoustics of the avian vocal tract. 3.1. System models The system model begins at the lungs and ....
C. K. Catchpole and P. J. Slater. Bird Song - Biological themes and variations. Cambridge University Press, 1995.
....over time. Humans of course have an unmatched capacity to generate novel signals (Pinker, 1994) Many songbirds have repertoires of dozens of distinct song types, a few species can sing hundreds of different songs, and the brown thrasher checks in with a remarkable repertoire size of over 2000 (Catchpole Slater, 1995). Moreover, any one male of a given songbird species will typically sing a different repertoire from other conspecific males. Moving from air to ocean, cephalopods (particularly cuttlefishes, octopuses, and squids) also use a surprising variety of signal types, with some species using as many as ....
.... cuttlefishes, octopuses, and squids) also use a surprising variety of signal types, with some species using as many as 35 different displays in a wide range of combinations and sequences (Hanlon Messenger, 1996) In all of these cases, the reason for extensive signal diversity remains a mystery: Catchpole and Slater (1995, p. 187) say that At first sight, the diversity of modes of singing amongst birds is so great that it defies explanation, while Hanlon and Messenger (1996, p. 131) feeling that birds are easier to understand than their favorite animals, wonder, does the great variety of signals [in ....
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Catchpole, C.K., and Slater, P.J.B. (1995). Bird song: Biological themes and variations. Cambridge, UK: Cambridge University Press.
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C. K. Catchpole and P. J. B. Slater. Bird Song: Biological Themes and Variations. Cambridge University Press, 1995.
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