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Measurement and control of vocal interactions in songbirds


Hahnloser, Richard (2015). Measurement and control of vocal interactions in songbirds. Journal of the Acoustical Society of America, 137(4):2250.

Abstract

One obstacle for investigating vocal interactions in vertebrate animals is difficulty of discriminating individual vocalizations of rapidly moving, sometimes simultaneously vocalizing individuals. To overcome this obstacle, we have developed an ultra-miniature back-attached sound/acceleration recording system that allows perfect separation of birdsong vocalizations irrespective of background noise and the number of vocalizing animals nearby. With this system, we have been able to identify hierarchies in the vocal interactions among adult male and female zebra finches. Furthermore, to causally interfere with vocal interactions in groups of up to four birds, we have developed an echo cancelation system that allows us to have full digital control of vocal interactions between any bird pair. With these tools, we hope to be able to further advance the dissection of vocal communication in songbirds.

Abstract

One obstacle for investigating vocal interactions in vertebrate animals is difficulty of discriminating individual vocalizations of rapidly moving, sometimes simultaneously vocalizing individuals. To overcome this obstacle, we have developed an ultra-miniature back-attached sound/acceleration recording system that allows perfect separation of birdsong vocalizations irrespective of background noise and the number of vocalizing animals nearby. With this system, we have been able to identify hierarchies in the vocal interactions among adult male and female zebra finches. Furthermore, to causally interfere with vocal interactions in groups of up to four birds, we have developed an echo cancelation system that allows us to have full digital control of vocal interactions between any bird pair. With these tools, we hope to be able to further advance the dissection of vocal communication in songbirds.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Neuroinformatics
Dewey Decimal Classification:570 Life sciences; biology
Language:English
Date:2015
Deposited On:22 Feb 2016 09:46
Last Modified:01 Jun 2016 13:24
Publisher:American Institute of Physics
Series Name:Journal of the Acoustical Society of America
ISSN:0001-4966
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1121/1.4920206
Official URL:http://scitation.aip.org/content/asa/journal/jasa/137/4/10.1121/1.4920206

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