Datasets | Mozilla Data Collective

Common Voice

Common Voice Scripted Speech 26.0 - Bunun

A collection of read speech recordings in Bunun.

License: CC0-1.0

Locale: bnn

Task: ASR

Format: MP3

Size: 235.71 MB

Common Voice

Common Voice Spontaneous Speech 4.0 - Turkish

A collection of spontaneous responses to questions in Turkish.

License: CC0-1.0

Locale: tr

Task: ASR

Format: MP3

Size: 5.80 MB

MDC Community Concierge

VoxForge - Turkish

3 hours (1717 utterances) of read speech of Türkçe (Turkish).

License: GPL-3.0

Locale: tr

Task: ASR

Format: WAV, TSV

Size: 692.29 MB

Common Voice

Common Voice Scripted Speech 26.0 - Turkish

A collection of read speech recordings in Turkish.

License: CC0-1.0

Locale: tr

Task: ASR

Format: MP3

Size: 2.78 GB

MDC Curators

CoVoST 2 Turkish - English

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

License: CC-BY-NC-4.0

Locale: tr, en

Task: MT

Format: MP3, TSV

Size: 207.40 MB

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

Taruen

Uzbek Proverbs Text Corpus

A corpus of traditional Uzbek proverbs digitized from a 2005 volume, designed for NLP tasks and LLM cultural competence evaluations.

License: CC0-1.0

Locale: uz

Task: NLP

Format: TXT

Size: 142.68 KB

Taruen

Kazakh Proverbs Text Corpus

A corpus of traditional Kazakh proverbs from the Babalar sözi series (vols 65-69), designed for NLP and LLM cultural competence evaluations.

License: CC0-1.0

Locale: kk

Task: NLP

Format: TXT

Size: 592.14 KB

Common Voice

Common Voice Scripted Speech 26.0 - Turkmen

A collection of read speech recordings in Turkmen.

License: CC0-1.0

Locale: tk

Task: ASR

Format: MP3

Size: 149.75 MB

The University of Melbourne

Central Kurdish TTS dataset 1.0

This dataset contains high-quality single-speaker audio recordings in Central Kurdish (ckb), intended for building Text-to-Speech (TTS) and Automatic Speech recognition (ASR) systems. The dataset comprises 2 hours and 18 minutes of aligned audio and text data.

License: CC-BY-4.0

Locale: ckb

Task: TTS

Format: wav

Size: 293.45 MB

RFE/RL

RFE/RL Tatar-Bashkir News Text Corpus

This dataset is longitudinal news corpus for the Tatar and Bashkir languages, sourced from Azatliq Radiosi, from 2001 to 2025, it contains over 105,000 articles (30M tokens).

License: CC-BY-NC-SA-4.0

Locale: tt,ba,ru

Task: NLP

Format: TXT

Size: 102.44 MB

Common Voice

Common Voice Scripted Speech 26.0 - Uyghur

A collection of read speech recordings in Uyghur.

License: CC0-1.0

Locale: ug

Task: ASR

Format: MP3

Size: 9.69 GB

Institute of Finno-Ugric/Uralic Studies, University of Hamburg

INEL Dolgan Speech Corpus

A 13-hour supervised Speech-to-Text dataset for Dolgan, an endangered Turkic language. Features sentence-level audio aligned with text transcriptions.

License: CC-BY-NC-SA-4.0

Locale: dlg

Task: ASR

Format: TSV, MP3

Size: 583.34 MB

RFE/RL

RFE/RL Azerbaijani News Text Corpus

Longitudinal Azerbaijani & Russian news corpus from Radio Azadlıq (2005-2026) with over 239,000 articles and 37M tokens.

License: CC-BY-NC-SA-4.0

Locale: az,ru

Task: NLP

Format: TXT

Size: 211.65 MB

RFE/RL

RFE/RL Turkmen News Text Corpus

Longitudinal Turkmen & Russian news corpus from Azatlyk Radiosy (2009-2026) with nearly 65,000 articles and 16.5M tokens.

License: CC-BY-NC-SA-4.0

Locale: tk,ru

Task: NLP

Format: TXT

Size: 48.28 MB

Common Voice

Common Voice Scripted Speech 26.0 - Uzbek

A collection of read speech recordings in Uzbek.

License: CC0-1.0

Locale: uz

Task: ASR

Format: MP3

Size: 5.02 GB

RFE/RL

RFE/RL Crimean Tatar News Text Corpus

Longitudinal Crimean Tatar news corpus from Qırım.Aqiqat (2014-2026) with over 32,000 articles and 7.5M tokens.

License: CC-BY-NC-SA-4.0

Locale: crh

Task: NLP

Format: TXT

Size: 18.35 MB

Institute of Finno-Ugric/Uralic Studies, University of Hamburg

INEL Nenets Speech Corpus

A supervised Speech-to-Text dataset for Nenets, a Samoyedic language. Features sentence-level audio aligned with Cyrillic text transcriptions.

License: CC-BY-NC-SA-4.0

Locale: yrk

Task: ASR

Format: TSV, MP3

Size: 8.35 MB

Taruen

Chuvash TTS

A ~5-hour speech dataset for Chuvash Text-to-Speech (TTS) research, featuring a single female speaker reading news and digits at a rapid tempo.

License: CC-BY-SA-4.0

Locale: cv

Task: TTS

Format: PARQUET

Size: 854.02 MB

Common Voice

Common Voice Scripted Speech 26.0 - Kurmanji Kurdish

A collection of read speech recordings in Kurmanji Kurdish.

License: CC0-1.0

Locale: kmr

Task: ASR

Format: MP3

Size: 1.92 GB

Common Voice

Common Voice Scripted Speech 26.0 - Azerbaijani

A collection of read speech recordings in Azerbaijani.

License: CC0-1.0

Locale: az

Task: ASR

Format: MP3

Size: 37.48 MB

Common Voice

Common Voice Spontaneous Speech 4.0 - Bashkir

A collection of spontaneous responses to questions in Bashkir.

License: CC0-1.0

Locale: ba

Task: ASR

Format: MP3

Size: 5.10 MB

Common Voice

Common Voice Spontaneous Speech 4.0 - Tatar

A collection of spontaneous responses to questions in Tatar.

License: CC0-1.0

Locale: tt

Task: ASR

Format: MP3

Size: 4.58 MB

Community

TTS Bugis - Barru Dialect: Language and Identity

This dataset focuses on the Bugis language, specifically the Barru dialect, and encompasses both formal and informal linguistic registers of Bugis.

License: CC-BY-NC-4.0

Locale: bug

Task: TTS

Format: WEBM, TSV

Size: 287.70 MB

All Datasets

Not sure where to start?

Common Voice Scripted Speech 26.0 - Bunun

Common Voice Spontaneous Speech 4.0 - Turkish

VoxForge - Turkish

Common Voice Scripted Speech 26.0 - Turkish

CoVoST 2 Turkish - English

CoVoST 2 English - Turkish

Uzbek Proverbs Text Corpus

Kazakh Proverbs Text Corpus

Common Voice Scripted Speech 26.0 - Turkmen

Central Kurdish TTS dataset 1.0

RFE/RL Tatar-Bashkir News Text Corpus

Common Voice Scripted Speech 26.0 - Uyghur

INEL Dolgan Speech Corpus

RFE/RL Azerbaijani News Text Corpus

RFE/RL Turkmen News Text Corpus

Common Voice Scripted Speech 26.0 - Uzbek

RFE/RL Crimean Tatar News Text Corpus

INEL Nenets Speech Corpus

Chuvash TTS

Common Voice Scripted Speech 26.0 - Kurmanji Kurdish

Common Voice Scripted Speech 26.0 - Azerbaijani

Common Voice Spontaneous Speech 4.0 - Bashkir

Common Voice Spontaneous Speech 4.0 - Tatar

TTS Bugis - Barru Dialect: Language and Identity