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BibleTTS: a large, high-fidelity, multilingual, and uniquely African speech corpus

arXiv 2207.03546 ↗First posted 7 Jul 2022eess.AS cs.CL cs.SDcited by 31

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Abstract (arXiv)

BibleTTS is a large, high-quality, open speech dataset for ten languages spoken in Sub-Saharan Africa. The corpus contains up to 86 hours of aligned, studio quality 48kHz single speaker recordings per language, enabling the development of high-quality text-to-speech models. The ten languages represented are: Akuapem Twi, Asante Twi, Chichewa, Ewe, Hausa, Kikuyu, Lingala, Luganda, Luo, and Yoruba. This corpus is a derivative work of Bible recordings made and released by the Open.Bible project from Biblica. We have aligned, cleaned, and filtered the original recordings, and additionally hand-checked a subset of the alignments for each language. We present results for text-to-speech models with Coqui TTS. The data is released under a commercial-friendly CC-BY-SA license.

Key facts. Cited by 31 papers in the map (data through 7 Oct 2026). Builds on 8 of its 41 references that are in the map. First posted on arXiv 7 Jul 2022.

Builds on

8 of 41 references.

References · 8

  1. 2019PyTorch: An Imperative Style, High-Performance Deep Learning Librarycited by 20,160
  2. 2017Natural TTS Synthesis by Conditioning WaveNet on Mel Spectrogram Predictionscited by 800
  3. 2019LibriTTS: A Corpus Derived from LibriSpeech for Text-to-Speechcited by 639
  4. 2021Conditional Variational Autoencoder with Adversarial Learning for End-to-End Text-to-Speechcited by 555
  5. 2020Glow-TTS: A Generative Flow for Text-to-Speech via Monotonic Alignment Searchcited by 269
  6. 2021The Multilingual TEDx Corpus for Speech Recognition and Translationcited by 101
  7. 2020Flowtron: an Autoregressive Flow-based Generative Network for Text-to-Speech Synthesiscited by 54
  8. 2020TTS-Portuguese Corpus: a corpus for speech synthesis in Brazilian Portuguesecited by 9

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Cited by year (2026 to 7 Oct)

Citing papers per year: 2022: 1; 2023: 5; 2024: 8; 2025: 9; 2026: 8.

31 papers.

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  1. 2023Scaling Speech Technology to 1,000+ Languagescited by 401
  2. 2024mHuBERT-147: A Compact Multilingual HuBERT Modelcited by 64
  3. 2023MasakhaPOS: Part-of-Speech Tagging for Typologically Diverse African Languagescited by 23
  4. 2025AnyEnhance: A Unified Generative Model with Prompt-Guidance and Self-Critic for Voice Enhancementcited by 23
  5. 2024AfriHuBERT: A self-supervised speech representation model for African languagescited by 17
  6. 2025Charting the Landscape of African NLP: Mapping Progress and Shaping the Road Aheadcited by 15
  7. 2026WAXAL: A Large-Scale Multilingual African Language Speech Corpuscited by 10
  8. 2022YFACC: A Yor`ub'a speech-image dataset for cross-lingual keyword localisation through visual groundingcited by 8
  9. 20241000 African Voices: Advancing inclusive multi-speaker multi-accent speech synthesiscited by 8
  10. 2023`Ir`oy`inSpeech: A multi-purpose Yor`ub'a Speech Corpuscited by 7
  11. 2025The NaijaVoices Dataset: Cultivating Large-Scale, High-Quality, Culturally-Rich Speech Data for African Languagescited by 7
  12. 2024A Systematic Review of NLP for Ghanaian Languages: Datasets, Models, and a Research Roadmapcited by 5
19 more
  1. 2023AfroDigits: A Community-Driven Spoken Digit Dataset for African Languagescited by 4
  2. 2025The Esethu Framework: Reimagining Sustainable Dataset Governance and Curation for Low-Resource Languagescited by 4
  3. 2025Voice of a Continent: Mapping Africa's Speech Technology Frontiercited by 4
  4. 2025VoiceBridge: General Speech Restoration with One-step Latent Bridge Modelscited by 4
  5. 2024uDistil-Whisper: Label-Free Data Filtering for Knowledge Distillation in Low-Data Regimescited by 3
  6. 2024A multilingual training strategy for low resource Text to Speechcited by 3
  7. 2024Do Discrete Self-Supervised Representations of Speech Capture Tone Distinctions?cited by 3
  8. 2025Bridging Gaps in Natural Language Processing for Yor`ub'a: A Systematic Review of a Decade of Progress and Prospectscited by 2
  9. 2025Benchmarking Akan ASR Models Across Domain-Specific Datasets: A Comparative Evaluation of Performance, Scalability, and Adaptabilitycited by 2
  10. 2025Automatic Speech Recognition (ASR) for African Low-Resource Languages: A Systematic Literature Reviewcited by 2
  11. 2026OpenBibleTTS: Large-Scale Speech Resources and TTS Models for Low-Resource Languagescited by 1
  12. 2026Towards Digital Preservation of Efik: TTS for a Low-Resource African Languagecited by 1
  13. 2023Robust Open-Set Spoken Language Identification and the CU MultiLang Datasetcited by 0
  14. 2024Improved Visually Prompted Keyword Localisation in Real Low-Resource Settingscited by 0
  15. 2026WorldSpeech: A Multilingual Speech Corpus from Around the Worldcited by 0
  16. 2026Sometin Beta Pass Notin: Improving Multilingual ASR for Nigerian Languages via Knowledge Distillationcited by 0
  17. 2026A Survey of Text and Speech Resources for Hausa and Fongbe: Availability, Quality, and Gaps for NLP Developmentcited by 0
  18. 2026Tone on a Budget: A Reference-Free Metric for Lexical Tone in Massively Multilingual Text-to-Speechcited by 0
  19. 2026MGhana-ST: A Low-Resource Speech Translation Dataset for Ghanaian Languages and an Analysis of Multilingual Training Trade-offscited by 0