Zambezi Voice: A Multilingual Speech Corpus for Zambian Languages

• URL: http://arxiv.org/abs/2306.04428v2
• Date: Tue, 13 Jun 2023 20:48:02 GMT
• Title: Zambezi Voice: A Multilingual Speech Corpus for Zambian Languages
• Authors: Claytone Sikasote, Kalinda Siaminwe, Stanly Mwape, Bangiwe Zulu, Mofya Phiri, Martin Phiri, David Zulu, Mayumbo Nyirenda, Antonios Anastasopoulos
• Abstract summary: Zambezi Voice is an open-source multilingual speech resource for Zambian languages. To our knowledge, this is the first multilingual speech dataset created for Zambian languages.
• Score: 20.25236081418051
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: This work introduces Zambezi Voice, an open-source multilingual speech resource for Zambian languages. It contains two collections of datasets: unlabelled audio recordings of radio news and talk shows programs (160 hours) and labelled data (over 80 hours) consisting of read speech recorded from text sourced from publicly available literature books. The dataset is created for speech recognition but can be extended to multilingual speech processing research for both supervised and unsupervised learning approaches. To our knowledge, this is the first multilingual speech dataset created for Zambian languages. We exploit pretraining and cross-lingual transfer learning by finetuning the Wav2Vec2.0 large-scale multilingual pre-trained model to build end-to-end (E2E) speech recognition models for our baseline models. The dataset is released publicly under a Creative Commons BY-NC-ND 4.0 license and can be accessed via https://github.com/unza-speech-lab/zambezi-voice .

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