Numerical-modeling-based investigation of sound transmission and reception in the short-finned pilot whale (Globicephala macrorhynchus)

dc.contributor.author Song, Zhongchang
dc.contributor.author Zhang, Jinhu
dc.contributor.author Ou, Wenzhan
dc.contributor.author Zhang, Chuang
dc.contributor.author Dong, Lijun
dc.contributor.author Dong, Jianchen
dc.contributor.author Li, Songhai
dc.contributor.author Zhang, Yu
dc.date.accessioned 2021-12-17T14:47:41Z
dc.date.available 2022-01-12T07:20:23Z
dc.date.issued 2021-07-12
dc.description Author Posting. © Acoustical Society of America, 2021. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution. The definitive version was published in Journal of the Acoustical Society of America 150(1), (2021): 225–232, https://doi.org/10.1121/10.0005518. en_US
dc.description.abstract The sound-transmission, beam-formation, and sound-reception processes of a short-finned pilot whale (Globicephala macrorhynchus) were investigated using computed tomography (CT) scanning and numerical simulation. The results showed that sound propagations in the forehead were modulated by the upper jaw, air components, and soft tissues, which attributed to the beam formation in the external acoustic field. These structures owned different acoustic impedance and formed a multiphasic sound transmission system that can modulate sounds into a beam. The reception pathways composed of the solid mandible and acoustic fats in the lower head conducted sounds into the tympano-periotic complex. In the simulations, sounds were emitted in the forehead transmission system and propagated into water to interrogate a steel cylinder. The resulting echoes can be interpreted from multiple perspectives, including amplitude, waveform, and spectrum, to obtain the acoustic cues of the steel cylinder. By taking the short-finned pilot whale as an example, this study provides meaningful information to further deepen our understanding of biosonar system operations, and may expand sound-reception theory in odontocetes. en_US
dc.description.embargo 2022-01-12 en_US
dc.description.sponsorship This work was financially supported by the project supported by the National Key Research and Development Program of China (Grant Nos. 2018YFC1407505, 2018YFC1407504, 2016YFC0300802, and 2018YFC0308602), the National Natural Science Foundation of China (Grant Nos. 12074323 and 41422604), the Special Fund for Marine and Fishery Development of Xiamen (Grant No. 20CZB015HJ01), Water Conservancy Science and Technology Innovation Project of Guangdong (Grant No. 2020-16), the China Postdoctoral Science Foundation (Grant No. 2020M682086), and the China National Postdoctoral Program for Innovative Talents (Grant No. BX2021168). en_US
dc.identifier.citation Song, Z., Zhang, J., Ou, W., Zhang, C., Dong, L., Dong, J., Li, S., & Zhang, Y. (2021). Numerical-modeling-based investigation of sound transmission and reception in the short-finned pilot whale (Globicephala macrorhynchus). Journal of the Acoustical Society of America, 150(1), 225–232. en_US
dc.identifier.doi 10.1121/10.0005518
dc.identifier.uri https://hdl.handle.net/1912/27824
dc.publisher Acoustical Society of America en_US
dc.relation.uri https://doi.org/10.1121/10.0005518
dc.title Numerical-modeling-based investigation of sound transmission and reception in the short-finned pilot whale (Globicephala macrorhynchus) en_US
dc.type Article en_US
dspace.entity.type Publication
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