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• W4383759369 startingPage "e0283396" @default.
• W4383759369 abstract "The study of non-human animals' communication systems generally relies on the transcription of vocal sequences using a finite set of discrete units. This set is referred to as a vocal repertoire, which is specific to a species or a sub-group of a species. When conducted by human experts, the formal description of vocal repertoires can be laborious and/or biased. This motivates computerised assistance for this procedure, for which machine learning algorithms represent a good opportunity. Unsupervised clustering algorithms are suited for grouping close points together, provided a relevant representation. This paper therefore studies a new method for encoding vocalisations, allowing for automatic clustering to alleviate vocal repertoire characterisation. Borrowing from deep representation learning, we use a convolutional auto-encoder network to learn an abstract representation of vocalisations. We report on the quality of the learnt representation, as well as of state of the art methods, by quantifying their agreement with expert labelled vocalisation types from 8 datasets of other studies across 6 species (birds and marine mammals). With this benchmark, we demonstrate that using auto-encoders improves the relevance of vocalisation representation which serves repertoire characterisation using a very limited number of settings. We also publish a Python package for the bioacoustic community to train their own vocalisation auto-encoders or use a pretrained encoder to browse vocal repertoires and ease unit wise annotation." @default.
• W4383759369 created "2023-07-11" @default.
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• W4383759369 date "2023-07-10" @default.
• W4383759369 modified "2023-10-12" @default.
• W4383759369 title "Deep audio embeddings for vocalisation clustering" @default.
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• W4383759369 doi "https://doi.org/10.1371/journal.pone.0283396" @default.
• W4383759369 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37428759" @default.
• W4383759369 hasPublicationYear "2023" @default.
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