Abstract
Choruses of acoustically signaling frogs and toads are among the most impressive acoustic spectacles known from the natural world. They are loud, raucous social environments that form for one purpose and one purpose only: sex. The loud sexual advertisement signals that males produce are often necessary and sufficient to elicit responses from reproductive females, and they also function in communicating with other males during interactions over calling sites and territories. Frogs listening in a chorus must detect, recognize, localize, and discriminate among competing signals amid high levels of biotic, and often abiotic, background noise. In essence, frogs must solve a biological analog of the human cocktail party problem. In this chapter, we describe the frog’s cocktail party problem in functional terms relevant to frog reproduction and communication. We then describe results from experimental studies, mostly of behavior, that elucidate how the frog auditory system goes about solving problems related to auditory masking and auditory scene analysis.
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Acknowledgments
We are especially grateful to Peter Narins and Henrik Brumm for comments on the manuscript. Some of the material described in this review was based upon work supported by the National Science Foundation (under Grant No. 0842759), the National Institute on Deafness and Other Communication Disorders (under Grant Nos. R03DC009582 and R01DC009582), and a Grant-in-Aid from the University of Minnesota Graduate School to MAB. Work by JJS was supported by the National Science Foundation (under Grant Nos. 0342183 and 9727623), Pace University Scholarly Research Awards and Smithsonian Institution Short Term Visitor Awards.
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Vélez, A., Schwartz, J.J., Bee, M.A. (2013). Anuran Acoustic Signal Perception in Noisy Environments. In: Brumm, H. (eds) Animal Communication and Noise. Animal Signals and Communication, vol 2. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-41494-7_6
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