A pulsed-air model of blue whale B call vocalizations

Abstract Blue whale sound production has been thought to occur by Helmholtz resonance via air flowing from the lungs into the upper respiratory spaces. This implies that the frequency of blue whale vocalizations might be directly proportional to the size of their sound-producing organs. Here we pres...

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Autores principales:	R. P. Dziak, J. H. Haxel, T.-K. Lau, S. Heimlich, J. Caplan-Auerbach, D. K. Mellinger, H. Matsumoto, B. Mate
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e380bd61b22a4defb3d3504ebae774de
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id	oai:doaj.org-article:e380bd61b22a4defb3d3504ebae774de
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spelling	oai:doaj.org-article:e380bd61b22a4defb3d3504ebae774de2021-12-02T16:06:48ZA pulsed-air model of blue whale B call vocalizations10.1038/s41598-017-09423-72045-2322https://doaj.org/article/e380bd61b22a4defb3d3504ebae774de2017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-09423-7https://doaj.org/toc/2045-2322Abstract Blue whale sound production has been thought to occur by Helmholtz resonance via air flowing from the lungs into the upper respiratory spaces. This implies that the frequency of blue whale vocalizations might be directly proportional to the size of their sound-producing organs. Here we present a sound production mechanism where the fundamental and overtone frequencies of blue whale B calls can be well modeled using a series of short-duration (<1 s) wavelets. We propose that the likely source of these wavelets are pneumatic pulses caused by opening and closing of respiratory valves during air recirculation between the lungs and laryngeal sac. This vocal production model is similar to those proposed for humpback whales, where valve open/closure and vocal fold oscillation is passively driven by airflow between the lungs and upper respiratory spaces, and implies call frequencies could be actively changed by the animal to center fundamental tones at different frequency bands during the call series.R. P. DziakJ. H. HaxelT.-K. LauS. HeimlichJ. Caplan-AuerbachD. K. MellingerH. MatsumotoB. MateNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-12 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q R. P. Dziak J. H. Haxel T.-K. Lau S. Heimlich J. Caplan-Auerbach D. K. Mellinger H. Matsumoto B. Mate A pulsed-air model of blue whale B call vocalizations
description	Abstract Blue whale sound production has been thought to occur by Helmholtz resonance via air flowing from the lungs into the upper respiratory spaces. This implies that the frequency of blue whale vocalizations might be directly proportional to the size of their sound-producing organs. Here we present a sound production mechanism where the fundamental and overtone frequencies of blue whale B calls can be well modeled using a series of short-duration (<1 s) wavelets. We propose that the likely source of these wavelets are pneumatic pulses caused by opening and closing of respiratory valves during air recirculation between the lungs and laryngeal sac. This vocal production model is similar to those proposed for humpback whales, where valve open/closure and vocal fold oscillation is passively driven by airflow between the lungs and upper respiratory spaces, and implies call frequencies could be actively changed by the animal to center fundamental tones at different frequency bands during the call series.
format	article
author	R. P. Dziak J. H. Haxel T.-K. Lau S. Heimlich J. Caplan-Auerbach D. K. Mellinger H. Matsumoto B. Mate
author_facet	R. P. Dziak J. H. Haxel T.-K. Lau S. Heimlich J. Caplan-Auerbach D. K. Mellinger H. Matsumoto B. Mate
author_sort	R. P. Dziak
title	A pulsed-air model of blue whale B call vocalizations
title_short	A pulsed-air model of blue whale B call vocalizations
title_full	A pulsed-air model of blue whale B call vocalizations
title_fullStr	A pulsed-air model of blue whale B call vocalizations
title_full_unstemmed	A pulsed-air model of blue whale B call vocalizations
title_sort	pulsed-air model of blue whale b call vocalizations
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/e380bd61b22a4defb3d3504ebae774de
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_version_	1718384874846420992

A pulsed-air model of blue whale B call vocalizations

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