Common Voice 13.0: Multi-Language Audio and Text Transcriptions

Common Voice 13.0 provides crowdsourced audio recordings and text transcriptions maintained by the Mozilla Foundation as of October 2025. It functions as a multi-language resource for training speech technology through volunteer-contributed voice data.

Use Cases

• Training automatic speech recognition (ASR) models using audio clips and transcription strings
• Developing accent detection algorithms using regional metadata tags
• Fine-tuning text-to-speech (TTS) systems using paired text and vocal samples

Strengths

• Mozilla-foundation managed
• Updated October 2025
• Crowdsourced from global contributors

Limitations

• Access restricted to Mozilla Data Collective platform
• Unknown record count in provided metadata
• Potential for background noise in crowdsourced audio

Provenance

Source

Mozilla Foundation

Collection Method

Crowdsourced

Freshness

Updated October 2025

Geography

Global (tagged as Regionus)