Establishing degrees of closeness between audio recordings along different dimensions using large-scale cross-lingual models
Résumé
In the highly constrained context of low-resource language studies, we explore vector representations of speech from a pretrained model to determine their level of abstraction with regard to the audio signal. We propose a new unsupervised method using ABX tests on audio recordings with carefully curated metadata to shed light on the type of information present in the representations. ABX tests determine whether the representations computed by a multilingual speech model encode a given characteristic. Three experiments are devised: one on room acoustics aspects, one on linguistic genre, and one on phonetic aspects. The results confirm that the representations extracted from recordings with different linguistic/extra-linguistic characteristics differ along the same lines. Embedding more audio signal in one vector better discriminates extra-linguistic characteristics, whereas shorter snippets are better to distinguish segmental information. The method is fully unsupervised, potentially opening new research avenues for comparative work on under-documented languages.
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Cite 10.24397/pangloss-0004341 Son Michaud, A. (2012). Sister: The sister’s wedding (version 1) [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0004341
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Cite 10.24397/pangloss-0004343 Son Michaud, A. (2012). Sister: The sister’s wedding (version 2) [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0004343
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Cite 10.24397/pangloss-0004344 Son Michaud, A. (2012). Sister: The sister’s wedding (version 3) [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0004344
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Cite 10.24397/pangloss-0004938 Son Michaud, A. (2018). Sister: The sister’s wedding (version 4) [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0004938
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Cite 10.24397/pangloss-0004940 Son Michaud, A. (2018). Sister: The sister’s wedding (version 5) [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0004940
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Cite 10.24397/pangloss-0007695 Article Michaud, A. (2022). Sister: The sister’s wedding, version 6. Pangloss. https://doi.org/10.24397/PANGLOSS-0007695
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Cite 10.24397/pangloss-0007698 Article Michaud, A. (2022). Sister: The sister’s wedding, version 7. (With video.). Pangloss. https://doi.org/10.24397/PANGLOSS-0007698
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Cite 10.24397/pangloss-0004694 Son Michaud, A. & 米可. (2013). Ballad about hunting (Romanized Naxi: Kee Keel; IPA: /kʰɯ˧kʰɯ˥/) [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0004694
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Cite 10.24397/pangloss-0004697 Son Michaud, A. & 米可. (2013). The Great Prayer to the Wind, sung in the ‘GuQi’ style. [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0004697
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Cite 10.24397/pangloss-0004695 Son Michaud, A. & 米可. (2013). Life Story: Naxi singer Li Xiuxiang’s account of her life course [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0004695
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Cite 10.24397/pangloss-0004698 Son Michaud, A. & 米可. (2013). Xuq Jjil (ɕy˩ ndʑi˥): Blessings (popular Naxi songs). Singing style: wɤ˧-mə˧-ndɑ˩. [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0004698
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Cite 10.24397/pangloss-0004699 Son Michaud, A. & 米可. (2013). A Li Li: A Naxi singing style of Post-1949 Lijiang [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0004699
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Cite 10.24397/pangloss-0008663 Son Fily, M. (2023). A Phonetic corpus on nasal vowels : AS on nov. 30 [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0008663
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Cite 10.24397/pangloss-0008667 Son Fily, M. (2023). A Phonetic corpus on nasal vowels : RS on nov. 29 [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0008667
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Cite 10.24397/pangloss-0008662 Son Fily, M. (2023). A Phonetic corpus on nasal vowels : AS on nov. 29 [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0008662
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Cite 10.24397/pangloss-0008664 Son Fily, M. (2023). A Phonetic corpus on nasal vowels : RS on nov. 28 (part 1) [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0008664
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Cite 10.24397/pangloss-0008665 Son Fily, M. (2023). A Phonetic corpus on nasal vowels : RS on nov. 28 (part 2) [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0008665
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Cite 10.24397/pangloss-0008666 Son Fily, M. (2023). A Phonetic corpus on nasal vowels : RS on nov. 28 (part 3) [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0008666
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Cite 10.24397/pangloss-0008668 Son Fily, M. (2023). A Phonetic corpus on nasal vowels : TLT on nov. 29 [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0008668
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Cite 10.24397/pangloss-0008669 Son Fily, M. (2023). Verbs in carrier sentences (part 1) [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0008669
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Cite 10.24397/pangloss-0008670 Son Fily, M. (2023). Verbs in carrier sentences (part 2) [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0008670
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Cite 10.24397/pangloss-0008671 Son Fily, M. (2023). Words in carrier sentences (until Yak) [Audio recording]. Pangloss. https://doi.org/10.24397/PANGLOSS-0008671