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Title: Classification of a large collection of whistles from Indo-Pacific humpback dolphins (Sousa chinensis)
Authors: Seekings, J. 
Yeo, K.P. 
Chen, Z.P.
Nanayakkara, S.C. 
Tan, J. 
Tay, P. 
Taylor, E.
Issue Date: 2010
Citation: Seekings, J.,Yeo, K.P.,Chen, Z.P.,Nanayakkara, S.C.,Tan, J.,Tay, P.,Taylor, E. (2010). Classification of a large collection of whistles from Indo-Pacific humpback dolphins (Sousa chinensis). OCEANS'10 IEEE Sydney, OCEANSSYD 2010 : -. ScholarBank@NUS Repository.
Abstract: The whistle repertoires of some dolphin species have been characterised and classified both qualitatively and quantitatively [1, 2, 3, 4, 5]; however, given the extensive range of the species relatively little is known about the acoustic repertoire of the Indo-Pacific humpback dolphin, Sousa chinensis [6, 7], particularly those in South-east Asia. Quantitative classification methods have been developed using sub-sets of S. Chinensis whistles [8, 9, 10] but research aimed at classifying a more complete whistle repertoire of S. Chinensis through quantitative classification methods has not been reported. To address this, whistles produced underwater by six Indo-Pacific humpback dolphins kept by Underwater World Singapore Pte. Ltd. at Dolphin Lagoon, Sentosa, Singapore were recorded. The acoustic recordings were de-noised and the whistles 'traced' from the spectrogram time/frequency representation. They were then classified using PCA and k-means clustering. © 2010 IEEE.
Source Title: OCEANS'10 IEEE Sydney, OCEANSSYD 2010
ISBN: 9781424452217
DOI: 10.1109/OCEANSSYD.2010.5603596
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