Intra-Group Orca Call Rate Modulation Estimation Using Compact Four Hydrophones Array
International audience Acoustic emissions are vital for orca (Orcinus orca) socializing, hunting, and maintaing spatial awareness. Studying the acoustic emissions of orcas on an individual basis often results in interference with their natural behaviors through mounting tags or following by boat. In...
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ftccsdartic:oai:HAL:hal-03555012v1 2023-05-15T17:53:21+02:00 Intra-Group Orca Call Rate Modulation Estimation Using Compact Four Hydrophones Array Poupard, Marion Symonds, Helena Spong, Paul Glotin, Hervé DYNamiques de l’Information (DYNI) Laboratoire d'Informatique et Systèmes (LIS) Aix Marseille Université (AMU)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS)-Aix Marseille Université (AMU)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS) ANR-18-CE40-0014,SMILES,Modélisation et Inférence Statistique pour l'Apprentissage non-supervisé à partir de Données Massives(2018) ANR-20-CHIA-0014,ADSIL,Écoute intelligente sous-marine avancée(2020) 2021-10-12 https://hal.science/hal-03555012 en eng HAL CCSD Frontiers Media hal-03555012 https://hal.science/hal-03555012 ISSN: 2296-7745 Frontiers in Marine Science https://hal.science/hal-03555012 Frontiers in Marine Science, 2021 https://www.frontiersin.org/articles/10.3389/fmars.2021.681036/full#h12 [SDV.EE]Life Sciences [q-bio]/Ecology environment [SDV.BIBS]Life Sciences [q-bio]/Quantitative Methods [q-bio.QM] info:eu-repo/semantics/article Journal articles 2021 ftccsdartic https://doi.org/10.3389/fmars.2021.681036/full#h12 2023-02-12T15:31:40Z International audience Acoustic emissions are vital for orca (Orcinus orca) socializing, hunting, and maintaing spatial awareness. Studying the acoustic emissions of orcas on an individual basis often results in interference with their natural behaviors through mounting tags or following by boat. In order to analyze their inter- and intra-group communication, we propose a study allowing us to associate vocalizations with their emitter (matriline and when possible individual). Such a non-interfering device for allocating calls to individual orcas could substantially boost our understanding of their complex acoustic world. Our experimental protocol was based on a compact array of four hydrophones fixed near the shore, operable up to 1 km away from the path of orcas. It was used during summer 2019 at the research station OrcaLab, northern Vancouver Island, Canada. A total of 722 calls were extracted, jointly with visual identification and azimuth of surfacing orcas, allowing validation of the acoustic diarization and azimuth estimations of the orca calls. We then calculated the Call Rate (CR) for each matriline or when possible individual in order to describe their acoustic activity. Preliminary results show that CR could be modulated according to the distance of the signaler from a group, the presence of another group, or anthropic pressure. Article in Journal/Newspaper Orca Orcinus orca Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Canada |
institution |
Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
op_collection_id |
ftccsdartic |
language |
English |
topic |
[SDV.EE]Life Sciences [q-bio]/Ecology environment [SDV.BIBS]Life Sciences [q-bio]/Quantitative Methods [q-bio.QM] |
spellingShingle |
[SDV.EE]Life Sciences [q-bio]/Ecology environment [SDV.BIBS]Life Sciences [q-bio]/Quantitative Methods [q-bio.QM] Poupard, Marion Symonds, Helena Spong, Paul Glotin, Hervé Intra-Group Orca Call Rate Modulation Estimation Using Compact Four Hydrophones Array |
topic_facet |
[SDV.EE]Life Sciences [q-bio]/Ecology environment [SDV.BIBS]Life Sciences [q-bio]/Quantitative Methods [q-bio.QM] |
description |
International audience Acoustic emissions are vital for orca (Orcinus orca) socializing, hunting, and maintaing spatial awareness. Studying the acoustic emissions of orcas on an individual basis often results in interference with their natural behaviors through mounting tags or following by boat. In order to analyze their inter- and intra-group communication, we propose a study allowing us to associate vocalizations with their emitter (matriline and when possible individual). Such a non-interfering device for allocating calls to individual orcas could substantially boost our understanding of their complex acoustic world. Our experimental protocol was based on a compact array of four hydrophones fixed near the shore, operable up to 1 km away from the path of orcas. It was used during summer 2019 at the research station OrcaLab, northern Vancouver Island, Canada. A total of 722 calls were extracted, jointly with visual identification and azimuth of surfacing orcas, allowing validation of the acoustic diarization and azimuth estimations of the orca calls. We then calculated the Call Rate (CR) for each matriline or when possible individual in order to describe their acoustic activity. Preliminary results show that CR could be modulated according to the distance of the signaler from a group, the presence of another group, or anthropic pressure. |
author2 |
DYNamiques de l’Information (DYNI) Laboratoire d'Informatique et Systèmes (LIS) Aix Marseille Université (AMU)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS)-Aix Marseille Université (AMU)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS) ANR-18-CE40-0014,SMILES,Modélisation et Inférence Statistique pour l'Apprentissage non-supervisé à partir de Données Massives(2018) ANR-20-CHIA-0014,ADSIL,Écoute intelligente sous-marine avancée(2020) |
format |
Article in Journal/Newspaper |
author |
Poupard, Marion Symonds, Helena Spong, Paul Glotin, Hervé |
author_facet |
Poupard, Marion Symonds, Helena Spong, Paul Glotin, Hervé |
author_sort |
Poupard, Marion |
title |
Intra-Group Orca Call Rate Modulation Estimation Using Compact Four Hydrophones Array |
title_short |
Intra-Group Orca Call Rate Modulation Estimation Using Compact Four Hydrophones Array |
title_full |
Intra-Group Orca Call Rate Modulation Estimation Using Compact Four Hydrophones Array |
title_fullStr |
Intra-Group Orca Call Rate Modulation Estimation Using Compact Four Hydrophones Array |
title_full_unstemmed |
Intra-Group Orca Call Rate Modulation Estimation Using Compact Four Hydrophones Array |
title_sort |
intra-group orca call rate modulation estimation using compact four hydrophones array |
publisher |
HAL CCSD |
publishDate |
2021 |
url |
https://hal.science/hal-03555012 |
geographic |
Canada |
geographic_facet |
Canada |
genre |
Orca Orcinus orca |
genre_facet |
Orca Orcinus orca |
op_source |
ISSN: 2296-7745 Frontiers in Marine Science https://hal.science/hal-03555012 Frontiers in Marine Science, 2021 https://www.frontiersin.org/articles/10.3389/fmars.2021.681036/full#h12 |
op_relation |
hal-03555012 https://hal.science/hal-03555012 |
op_doi |
https://doi.org/10.3389/fmars.2021.681036/full#h12 |
_version_ |
1766161043330957312 |