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Pre-processing spectrogram parameters improve the accuracy of bioacoustic classification using convolutional neural networks
Download2021-06-01
Knight, Elly C., Hernandez, Sergio Poo, Bayne, Erin, Bulitko, Vadim, Tucker, Benjamin V.
A variety of automated classification approaches have been developed to extract species detection information from large bioacoustic datasets. Convolutional neural networks (CNNs) are an image classification technique that can be operated on the spectrogram of an audio recording. Using CNNs for...
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2016-01-01
Ken A Otter, Christopher B Sturdy, Thibault Grava, Daniel J Mennill, Lauren M Guillette, Laurene M Ratcliffe, Neil McMillan, Kimberley A Campbell, John Hoang, Marisa Hoeschele, Allison H Hahn, Jenna V Congdon
The songs of many songbird species vary geographically, yet, the songs of black-capped chickadees (Poecile atricapillus) show remarkable consistency across most of the species’ North American range. Previous research has described subtle variations in the song of this species by comparing songs...
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The Neural Encoding of Heterospecific Vocalizations in the Avian Pallium: An Ethological Approach
DownloadFall 2011
Songbirds (order Passeriformes, suborder Oscines) have captured the attention of scientists and non-scientists alike with their vocal signals. The black-capped chickadee (genus Poecile) uses its namesake call, chick-a-dee, to convey a variety of information. In Chapter 2 and 3, I examine the...
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Fall 2018
For male breeding songbirds, song rate varies throughout the breeding season and tends to be correlated with breeding-cycle stages. Although these patterns have been well documented, to our knowledge, this relationship has not been used to predict a bird’s breeding status through acoustic...
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Bioacoustic analyses of the chick-a-dee call of the Mexican chickadee (Poecile sclateri) and the boreal chickadee (Poecile hudsonica)
DownloadFall 2009
To understand the communicative functions of any vocalization it is important to first classify, describe, and measure the elements of that vocalization. Mexican (Poecile sclateri) and boreal (P. hudsonica) chickadees both produce a name-sake chick-a-dee call. Here, the note types present in...