A study of vocal nonlinearities in humpback whale songs: from production mechanisms to acoustic analysis
International audience Abstract Although mammalian vocalizations are predominantly harmonically structured, they can exhibit an acoustic complexity with nonlinear vocal sounds, including deterministic chaos and frequency jumps. Such sounds are normative events in mammalian vocalizations, and can be...
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ftsorbonneuniv:oai:HAL:hal-03957060v1 2024-09-15T18:11:12+00:00 A study of vocal nonlinearities in humpback whale songs: from production mechanisms to acoustic analysis Cazau, Dorian Adam, Olivier Aubin, Thierry Laitman, Jeffrey Reidenberg, Joy Lutheries - Acoustique - Musique (IJLRDA-LAM) Institut Jean Le Rond d'Alembert (DALEMBERT) Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) 2016-10-31 https://hal.science/hal-03957060 https://doi.org/10.1038/srep31660 en eng HAL CCSD Nature Publishing Group info:eu-repo/semantics/altIdentifier/doi/10.1038/srep31660 hal-03957060 https://hal.science/hal-03957060 doi:10.1038/srep31660 ISSN: 2045-2322 EISSN: 2045-2322 Scientific Reports https://hal.science/hal-03957060 Scientific Reports, 2016, 6 (1), pp.31660. ⟨10.1038/srep31660⟩ [SDV]Life Sciences [q-bio] info:eu-repo/semantics/article Journal articles 2016 ftsorbonneuniv https://doi.org/10.1038/srep31660 2024-07-25T23:47:45Z International audience Abstract Although mammalian vocalizations are predominantly harmonically structured, they can exhibit an acoustic complexity with nonlinear vocal sounds, including deterministic chaos and frequency jumps. Such sounds are normative events in mammalian vocalizations, and can be directly traceable to the nonlinear nature of vocal-fold dynamics underlying typical mammalian sound production. In this study, we give qualitative descriptions and quantitative analyses of nonlinearities in the song repertoire of humpback whales from the Ste Marie channel (Madagascar) to provide more insight into the potential communication functions and underlying production mechanisms of these features. A low-dimensional biomechanical modeling of the whale’s U-fold (vocal folds homolog) is used to relate specific vocal mechanisms to nonlinear vocal features. Recordings of living humpback whales were searched for occurrences of vocal nonlinearities (instabilities). Temporal distributions of nonlinearities were assessed within sound units, and between different songs. The anatomical production sources of vocal nonlinearities and the communication context of their occurrences in recordings are discussed. Our results show that vocal nonlinearities may be a communication strategy that conveys information about the whale’s body size and physical fitness, and thus may be an important component of humpback whale songs. Article in Journal/Newspaper Humpback Whale HAL Sorbonne Université Scientific Reports 6 1 |
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HAL Sorbonne Université |
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ftsorbonneuniv |
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English |
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[SDV]Life Sciences [q-bio] |
spellingShingle |
[SDV]Life Sciences [q-bio] Cazau, Dorian Adam, Olivier Aubin, Thierry Laitman, Jeffrey Reidenberg, Joy A study of vocal nonlinearities in humpback whale songs: from production mechanisms to acoustic analysis |
topic_facet |
[SDV]Life Sciences [q-bio] |
description |
International audience Abstract Although mammalian vocalizations are predominantly harmonically structured, they can exhibit an acoustic complexity with nonlinear vocal sounds, including deterministic chaos and frequency jumps. Such sounds are normative events in mammalian vocalizations, and can be directly traceable to the nonlinear nature of vocal-fold dynamics underlying typical mammalian sound production. In this study, we give qualitative descriptions and quantitative analyses of nonlinearities in the song repertoire of humpback whales from the Ste Marie channel (Madagascar) to provide more insight into the potential communication functions and underlying production mechanisms of these features. A low-dimensional biomechanical modeling of the whale’s U-fold (vocal folds homolog) is used to relate specific vocal mechanisms to nonlinear vocal features. Recordings of living humpback whales were searched for occurrences of vocal nonlinearities (instabilities). Temporal distributions of nonlinearities were assessed within sound units, and between different songs. The anatomical production sources of vocal nonlinearities and the communication context of their occurrences in recordings are discussed. Our results show that vocal nonlinearities may be a communication strategy that conveys information about the whale’s body size and physical fitness, and thus may be an important component of humpback whale songs. |
author2 |
Lutheries - Acoustique - Musique (IJLRDA-LAM) Institut Jean Le Rond d'Alembert (DALEMBERT) Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Cazau, Dorian Adam, Olivier Aubin, Thierry Laitman, Jeffrey Reidenberg, Joy |
author_facet |
Cazau, Dorian Adam, Olivier Aubin, Thierry Laitman, Jeffrey Reidenberg, Joy |
author_sort |
Cazau, Dorian |
title |
A study of vocal nonlinearities in humpback whale songs: from production mechanisms to acoustic analysis |
title_short |
A study of vocal nonlinearities in humpback whale songs: from production mechanisms to acoustic analysis |
title_full |
A study of vocal nonlinearities in humpback whale songs: from production mechanisms to acoustic analysis |
title_fullStr |
A study of vocal nonlinearities in humpback whale songs: from production mechanisms to acoustic analysis |
title_full_unstemmed |
A study of vocal nonlinearities in humpback whale songs: from production mechanisms to acoustic analysis |
title_sort |
study of vocal nonlinearities in humpback whale songs: from production mechanisms to acoustic analysis |
publisher |
HAL CCSD |
publishDate |
2016 |
url |
https://hal.science/hal-03957060 https://doi.org/10.1038/srep31660 |
genre |
Humpback Whale |
genre_facet |
Humpback Whale |
op_source |
ISSN: 2045-2322 EISSN: 2045-2322 Scientific Reports https://hal.science/hal-03957060 Scientific Reports, 2016, 6 (1), pp.31660. ⟨10.1038/srep31660⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1038/srep31660 hal-03957060 https://hal.science/hal-03957060 doi:10.1038/srep31660 |
op_doi |
https://doi.org/10.1038/srep31660 |
container_title |
Scientific Reports |
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6 |
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1 |
_version_ |
1810448785028939776 |