In this paper, the authors introduce an algorithm for locating sound-producing fish in a small rectangular tank that can be used, e.g., in behavioral bioacoustical studies to determine which fish in a group is sound-producing. The technique consists of locating a single sound source in the tank using signals gathered by four hydrophones placed in the tank together with a group of fish under study. The localization algorithm used in this paper is based on a ratio of two spectra ratios: the spectra ratio between the sound pressure measured by hydrophones at two locations and the spectra ratio between the theoretical Green's functions at the same locations. The results are compared to a localization based on image processing technique and with video recordings acquired synchronously with the acoustic recordings.
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December 2019
December 31 2019
Localization of sound-producing fish in a water-filled tank
Special Collection:
Acoustic Localization
Antonin Novak;
Antonin Novak
a)
1
Laboratoire d'Acoustique de l'Université du Mans (LAUM, UMR CNRS 6613)
, 72000 Le Mans, France
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Petr Cisar;
Petr Cisar
2
Laboratory of Signal and Image Processing, Institute of Complex Systems, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in České Budĕjovice
, Zámek 136, Nové Hrady 37333, Czech Republic
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Michel Bruneau;
Michel Bruneau
1
Laboratoire d'Acoustique de l'Université du Mans (LAUM, UMR CNRS 6613)
, 72000 Le Mans, France
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Pierrick Lotton;
Pierrick Lotton
1
Laboratoire d'Acoustique de l'Université du Mans (LAUM, UMR CNRS 6613)
, 72000 Le Mans, France
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Laurent Simon
Laurent Simon
1
Laboratoire d'Acoustique de l'Université du Mans (LAUM, UMR CNRS 6613)
, 72000 Le Mans, France
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a)
Electronic mail: antonin.novak@univ-lemans.fr
J. Acoust. Soc. Am. 146, 4842–4850 (2019)
Article history
Received:
March 18 2019
Accepted:
July 04 2019
Citation
Antonin Novak, Petr Cisar, Michel Bruneau, Pierrick Lotton, Laurent Simon; Localization of sound-producing fish in a water-filled tank. J. Acoust. Soc. Am. 1 December 2019; 146 (6): 4842–4850. https://doi.org/10.1121/1.5138607
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