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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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199 Datasets

Institute of African Digital Humanities

Badjia-ALCAM-MultimodalDataset

Multimodal dataset for Badja (Badjia), an Ewondo/Beti dialect of Cameroon: lexical datasheet, native-speaker audio, and audio-sentence mapping files.

License: NOODL-1.0

Locale: ewo

Task: NLP

Format: WAV, TSV

Size: 42.77 MB

Mozilla Common Voice

Common Voice Spontaneous Speech 5.0 - Konzo

A collection of spontaneous responses to questions in Konzo.

License: CC0-1.0

Locale: koo

Task: ASR

Format: MP3

Size: 280.77 MB

Institute of African Digital Humanities

Babute-Njore_ALCAM-MultimodalDataset

Multimodal dataset for Babouté/Vute (vut), Njoré variety: lexical datasheet, native-speaker audio recordings, and audio-sentence mapping files.

License: NOODL-1.0

Locale: vut

Task: NLP

Format: MP3, TSV

Size: 7.56 MB

Mozilla Common Voice

Common Voice Scripted Speech 27.0 - Tshiluba

A collection of read speech recordings in Tshiluba.

License: CC0-1.0

Locale: lua

Task: ASR

Format: MP3

Size: 206.53 MB

Community

Bahasa Indonesia Audio Visual Speech Dataset

An audio-visual dataset of spoken Indonesian, capturing synchronized lip movement and voice recordings from volunteer contributors.

License: CC-BY-NC-SA-4.0

Locale: ind

Task: OTH

Format: WEBM, TSV

Size: 955.17 MB

Mozilla Common Voice

Common Voice Scripted Speech 27.0 - Tigre

A collection of read speech recordings in Tigre.

License: CC0-1.0

Locale: tig

Task: ASR

Format: MP3

Size: 220.05 MB

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Information and Language Processing Research Lab

Nwāchā Munā

A 5.39-hour manually transcribed Devanagari speech corpus for Nepal Bhasha, with an ASR benchmark for low-resource speech research.

License: CC-BY-NC-4.0

Locale: new

Task: ASR

Format: WAV, TSV

Size: 477.62 MB

Mozilla 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

Community

Sindhi Named Entity Recognition-SiNER Dataset

A Sindhi named entity recognition dataset for building NLP tools in an underrepresented South Asian language.

License: CC-BY-SA-4.0

Locale: snd

Task: NLP

Format: TXT

Size: 2.51 MB

Mozilla Common Voice

Common Voice Spontaneous Speech 5.0 - Bukusu

A collection of spontaneous responses to questions in Bukusu.

License: CC0-1.0

Locale: bxk

Task: ASR

Format: MP3

Size: 261.93 MB

MirasAI

Ormuri Bilingual Dictionary by Rozi Khan Burki

A Ormuri dictionary by Rozi Khan Burki documenting Ormuri vocabulary and meanings to support language preservation, linguistic research, and NLP development.

License: CC-BY-ND-4.0

Locale: oru

Task: TTS

Format: JPG, PDF, DOCX

Size: 15.68 MB

Mozilla Common Voice

Common Voice Scripted Speech 27.0 - Shina

A collection of read speech recordings in Shina.

License: CC0-1.0

Locale: scl

Task: ASR

Format: MP3

Size: 204.72 MB

MirasAI

Tamil Literature Corpus

A curated corpus of Tamil text designed to support natural language processing tasks such as language modeling, text classification, and linguistic analysis.

License: CC-BY-NC-SA-4.0

Locale: tam

Task: NLP

Format: TXT

Size: 41.85 MB

Mozilla Common Voice

Common Voice Spontaneous Speech 5.0 - Latvian

A collection of spontaneous responses to questions in Latvian.

License: CC0-1.0

Locale: lv

Task: ASR

Format: MP3

Size: 12.03 MB

Institute of African Digital Humanities

Baka-ALCAM-MultimodalDataset

Multimodal dataset for Baka (bkc): lexical datasheet, audio recordings, and audio-sentence mapping files for Baka lexicon and grammar.

License: NOODL-1.0

Locale: bkc

Task: NLP

Format: WAV, TSV

Size: 63.15 MB

Mozilla Common Voice

Common Voice Scripted Speech 27.0 - Nüpode Huitoto

A collection of read speech recordings in Nüpode Huitoto.

License: CC0-1.0

Locale: hux

Task: ASR

Format: MP3

Size: 230.34 MB

Pashto AI

Pashto Audio-Visual Speech Corpus

Pashto audio-visual corpus with 9,421 recordings (12.67 hours), pairing speech, mouth-region video and text for lip reading, ASR and multimodal AI.

License: CC0-1.0

Locale: ps

Task: ASR

Format: WEBM, TSV, JSON, JSONL, MD, TXT

Size: 1.33 GB

Mozilla Common Voice

Common Voice Scripted Speech 27.0 - Paiwan

A collection of read speech recordings in Paiwan.

License: CC0-1.0

Locale: pwn

Task: ASR

Format: MP3

Size: 281.77 MB

Institute of African Digital Humanities

Sample Ghomala-TTS-Dataset

Ghomala (bbj) scripted TTS/ASR dataset: 997 clips (≈59m 24s) across 10 sessions, transcribed in AGLC orthography. Bandjoun, West Region, Cameroon.

License: NOODL-1.0

Locale: bbj

Task: TTS

Format: MP3, TSV

Size: 80.67 MB

Mozilla Common Voice

Common Voice Spontaneous Speech 5.0 - Wixárika

A collection of spontaneous responses to questions in Wixárika.

License: CC0-1.0

Locale: hch

Task: ASR

Format: MP3

Size: 199.53 MB

Institute of African Digital Humanities

Ghomala-MultimodalDataset

Multimodal dataset for ɣɔmáláʔ (Ghomala, Bandjoun variety): IPA-annotated ritual corpus, 369 audio clips (≈17 min), and a Ghomala–French parallel corpus.

License: NOODL-1.0

Locale: bbj

Task: NLP

Format: TSV, MP3

Size: 18.67 MB

Mozilla Common Voice

Common Voice Scripted Speech 27.0 - Chinese (China)

A collection of read speech recordings in Chinese (China).

License: CC0-1.0

Locale: zh-CN

Task: ASR

Format: MP3

Size: 21.40 GB

Institute of African Digital Humanities

Sample-Ngomba-TTS-Dataset

Ngomba (jgo) scripted TTS dataset: 1033 clips (≈1h06m) from 11 sessions, transcribed in AGLC orthography. Bamboutos Division, West Region, Cameroon.

License: NOODL-1.0

Locale: jgo

Task: TTS

Format: MP3, TSV

Size: 47.47 MB

Mozilla Common Voice

Mozilla Common Voice Spontaneous Speech ASR Shared Task Train/Dev Data

This datasheet is for the bundle of Mozilla Common Voice spontaneous speech datasets to be used in the Shared Task on Spontaneous Speech.

License: CC0-1.0

Locale: mul

Task: ASR

Format: mp3

Size: 4.30 GB