BULBasaa: A Bilingual Bàsàá-French Speech Corpus for the Evaluation of Language Documentation Tools - Laboratoire Interdisciplinaire des Sciences du Numérique Access content directly
Conference Papers Year : 2018

BULBasaa: A Bilingual Bàsàá-French Speech Corpus for the Evaluation of Language Documentation Tools

Fatima Hamlaoui
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Markus Müller
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Jonas Engelmann
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Alexander Waibel
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Abstract

Bàsàá is one of the three Bantu languages of BULB (Breaking the Unwritten Language Barrier), a project whose aim is to provide NLP-based tools to support linguists in documenting under-resourced and unwritten languages. To develop technologies such as automatic phone transcription or machine translation, a massive amount of speech data is needed. Approximately 50 hours of Bàsàá speech were thus collected and then carefully re-spoken and orally translated into French in a controlled environment by a few bilingual speakers. For a subset of ≈10 hours of the corpus, each utterance was additionally phonetically transcribed to establish a golden standard for the output of our NLP tools. The experiments described in this paper are meant to provide an automatic phonetic transcription using a set of derived phone-like units. As every language features a specific set of idiosyncrasies, automating the process of phonetic unit discovery in its entirety is a challenging task. Within BULB, we envision a workflow where linguists are able to refine the set of automatically discovered units and the system is then able to reiterate on the data, providing a better approximation of the actual phone set.
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Dates and versions

hal-04466108 , version 1 (19-02-2024)

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  • HAL Id : hal-04466108 , version 1

Cite

Fatima Hamlaoui, Emmanuel-Moselly Makasso, Markus Müller, Jonas Engelmann, Gilles Adda, et al.. BULBasaa: A Bilingual Bàsàá-French Speech Corpus for the Evaluation of Language Documentation Tools. LREC 2018, European Language Resources Association (ELRA), May 2018, Miyazaki, Japan. ⟨hal-04466108⟩
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