Chapter title |
Directional Hearing and Head-Related Transfer Function in Odontocete Cetaceans.
|
---|---|
Chapter number | 70 |
Book title |
The Effects of Noise on Aquatic Life II
|
Published in |
Advances in experimental medicine and biology, January 2016
|
DOI | 10.1007/978-1-4939-2981-8_70 |
Pubmed ID | |
Book ISBNs |
978-1-4939-2980-1, 978-1-4939-2981-8
|
Authors |
Petr Krysl, Ted W. Cranford, Krysl, Petr, Cranford, Ted W. |
Editors |
Arthur N. Popper, Anthony Hawkins |
Abstract |
The head-related transfer function (HRTF) is an important descriptor of spatial sound field reception by the listener. In this study, we computed the HRTF of the common dolphin Delphinus delphis. The received sound pressure level at various locations within the acoustic fats of the internal pinna near the surface of the tympanoperiotic complex (TPC) was calculated for planar incident waves directed toward the animal. The relative amplitude of the received pressure versus the incident pressure was the representation of the HRTF from the point of view of the animal. It is of interest that (1) different locations on the surface of the TPC resulted in different HRTFs, (2) the HRTFs for the left and right ears were slightly asymmetric, and (3) the locations of the peaks of the HRTF depended on the frequency of the incident wave. |
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