FAQ

FAQ: I've noticed an issue with a data listing - what do I do?

Mozilla Data Collective

22 Oct 2025

If you discover a minor issue with the accuracy of a data listing on Mozilla Data Collective (a typo, missing attribute in datasheet, etc.) and want to bring it to the attention of the data provider, reach out to the point of contact as specified in the data listing.

If you believe that your work has been used in a way that constitutes copyright infringement related to a dataset hosted on Mozilla Data Collective, please review Section 11 of the Terms of Use to contact Mozilla's Designated DMCA Agent.

To report other issues with a data listing, or if you believe that a dataset violates our terms of use, please contact us.

Kick-off of the Shared Task: MCV Spontaneous Speech

Join us for the official kick‑off of the Shared Task: Mozilla Common Voice Spontaneous Speech! This live, online gathering will bring together researchers, engineers, and language‑technology enthusiasts from around the world to launch the challenge focused on building robust, multilingual ASR systems for under‑represented languages. In a

FAQ: Why can't I re-host or share Common Voice datasets that I download from MDC?

Mozilla Data Collective wants to provide effective, ethical stewardship support for datasets. This is challenging or impossible when datasets are mirrored or split across a range of forks. Our principles include trying to enable good governance, e.g. the right to be forgotten, as much as possible, which means we

Shared Task: Mozilla Common Voice Spontaneous Speech ASR

Quick links * Registration Form * Link to datasets * Codabench page (to submit results during the testing period) * Contact: sharedtask@mozillafoundation.org Overview Automatic speech recognition (ASR) has come a long way – but most systems are still trained on polished, read-aloud speech. So we set out to build a model that can

Common Voice 23.0 Live On Mozilla Data Collective

Common Voice 23.0 is now live – and available for download via Mozilla Data Collective. Mozilla Data Collective is a sister platform from the team behind Common Voice, designed to let dataset owners and creators offer their data on their own terms. Mozilla Data Collective was built in response to

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Kick-off of the Shared Task: MCV Spontaneous Speech

FAQ: Why can't I re-host or share Common Voice datasets that I download from MDC?

Shared Task: Mozilla Common Voice Spontaneous Speech ASR

Common Voice 23.0 Live On Mozilla Data Collective