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Terms

FAQs

Participation Guidelines

Responsible Disclosure

News and Documentation

Data and Model Competitions

[email protected]

Mozilla Data Collective is a mission-locked British company, incubated by Mozilla Foundation, and backed by the not-for-profit Mozilla.org

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100 Datasets

MDC Curators

CoVoST 2 Latvian - English

The dataset includes audio files in Latvian and their translations in English.

License: CC-BY-NC-4.0

Locale: lv, en

Task: MT

Format: MP3, TSV

Size: 127.28 MB

Common Voice

Common Voice Spontaneous Speech 5.0 - Esperanto

A collection of spontaneous responses to questions in Esperanto.

License: CC0-1.0

Locale: eo

Task: ASR

Format: MP3

Size: 25.13 MB

Community

Thorsten-Voice Dataset 2023.09 Hessisch

German regional dialect speech dataset (Hessisch, 2,108 phrases), CC0 licensed, 22,050 Hz mono WAV, for TTS and speech research.

License: CC0-1.0

Locale: de-DE

Task: TTS

Format: WAV,CSV

Size: 255.96 MB

MDC Curators

CoVoST 2 Estonian - English

The dataset includes audio files in Estonian and their translations in English.

License: CC-BY-NC-4.0

Locale: et, en

Task: MT

Format: MP3, TSV

Size: 239.07 MB

Common Voice

Common Voice Scripted Speech 27.0 - Esperanto

A collection of read speech recordings in Esperanto.

License: CC0-1.0

Locale: eo

Task: ASR

Format: MP3

Size: 39.30 GB

MDC Curators

CoVoST 2 Chinese (China) - English

The dataset includes audio files in Chinese (China) and their translations in English.

License: CC-BY-NC-4.0

Locale: zh-CN, en

Task: MT

Format: MP3, TSV

Size: 713.86 MB

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Community

Thorsten-Voice-44kHz-Full

German speech dataset (44.1 kHz, 38k+ files, ~40 hours), CC0 licensed, multi-style (neutral, emotional, dialect), for TTS research.

License: CC0-1.0

Locale: de-DE

Task: TTS

Format: WAV,PARQUET

Size: 7.99 GB

MDC Curators

CoVoST 2 English - Arabic

The dataset includes audio files in English and their translations in Arabic.

License: CC-BY-NC-4.0

Locale: en, ar

Task: MT

Format: MP3, TSV

Size: 12.56 GB

Open Home Foundation

Mihai 1.0

Text to speech dataset for Romanian, male speaker, approximately 2 hours of read speech.

License: CC0-1.0

Locale: ro-RO

Task: TTS

Format: WEBM

Size: 66.31 MB

Digital Divide Data

ddd-kenya-somali-68hrs-asr-part3

A collection of high-quality, crowdsourced audio recordings and verified transcriptions for the Somali language, produced by Digital Divide Data.

License: CC-BY-4.0

Locale: som

Task: ASR

Format: WAV, TSV

Size: 1.33 GB

MDC Curators

CoVoST 2 English - Mongolian

The dataset includes audio files in English and their translations in Mongolian.

License: CC-BY-NC-4.0

Locale: en, mn

Task: MT

Format: MP3, TSV

Size: 12.56 GB

MDC Curators

CoVoST 2 English - Catalan

The dataset includes audio files in English and their translations in Catalan.

License: CC-BY-NC-4.0

Locale: en, ca

Task: MT

Format: MP3, TSV

Size: 12.56 GB

Digital Divide Data

ddd-kenya-somali-68hrs-asr-part1

A collection of high-quality, crowdsourced audio recordings and verified transcriptions for Somali language, produced by Digital Divide Data

License: CC-BY-4.0

Locale: som

Task: ASR

Format: WAV, TSV

Size: 7.68 GB

MDC Curators

CoVoST 2 Catalan - English

The dataset includes audio files in Catalan and their translations in English.

License: CC-BY-NC-4.0

Locale: ca, en

Task: MT

Format: MP3, TSV

Size: 4.50 GB

Open Home Foundation

Lili 1.0

Text to speech dataset for Slovak, female speaker, approximately 2 hours of read speech.

License: CC0-1.0

Locale: sk-SK

Task: TTS

Format: WEBM

Size: 72.38 MB

Digital Divide Data

ddd-kenya-somali-68hrs-asr-part2

A collection of high-quality, crowdsourced audio recordings and verified transcriptions for the Somali language, produced by Digital Divide Data.

License: CC-BY-4.0

Locale: som

Task: ASR

Format: WAV, TSV

Size: 8.07 GB

MDC Community Concierge

VoxForge - Portuguese

4.5 hours (4571 utterances) of read speech of Português (Portuguese).

License: GPL-3.0

Locale: pt

Task: ASR

Format: WAV, TSV

Size: 1.06 GB

Common Voice

Common Voice Scripted Speech 27.0 - Bateri

A collection of read speech recordings in Bateri.

License: CC0-1.0

Locale: btv

Task: ASR

Format: MP3

Size: 205.82 MB

MDC Curators

CoVoST 2 Russian - English

The dataset includes audio files in Russian and their translations in English.

License: CC-BY-NC-4.0

Locale: ru, en

Task: MT

Format: MP3, TSV

Size: 1.01 GB

MDC Curators

CoVoST 2 English - Turkish

The dataset includes audio files in English and their translations in Turkish.

License: CC-BY-NC-4.0

Locale: en, tr

Task: MT

Format: MP3, TSV

Size: 12.56 GB

Institute of African Digital Humanities

Duala-TTS-Dataset

1,521 read-speech recordings from a single Duala speaker, with MP3 audio and TSV sentence mappings. Suitable for TTS and ASR.

License: NOODL-1.0

Locale: dua

Task: TTS

Format: MP3, TSV

Size: 141.26 MB

Open Home Foundation

Anna 1.0

Text to speech dataset for Hungarian, female speaker, approximately 1.5 hours of read speech.

License: CC0-1.0

Locale: hu-HU

Task: TTS

Format: WEBM

Size: 95.27 MB

Common Voice

Common Voice Spontaneous Speech 5.0 - Arvanitika

A collection of spontaneous responses to questions in Arvanitika.

License: CC0-1.0

Locale: aat

Task: ASR

Format: MP3

Size: 46.85 MB

MDC Community Concierge

VoxForge - Albanian

30 minutes (330 utterances) of read speech of Shqip (Albanian).

License: GPL-3.0

Locale: sq

Task: ASR

Format: WAV, TSV

Size: 113.74 MB