Speech and audio data for AI training

Datasets, transcription, and custom collection in 150+ languages. Documented consent, full chain of custody, ready for licensing.

Huggingface

300K+

Off the shelf hours

150+

Languages

2.5M

Contributors

Fortune 100 companies and frontier research labs train their voice AI on data sourced from Silencio. Speech recognition, translation, synthesis, conversational AI.

Why Silencios data is different

Real World Collection

Synthetic data cannot invent what it has never heard. Scraping is exhausted

Long Tail Languages

Voice AI reaches under 3% of the world's 7,000 languages. We capture the rest

Documented Consent

Per-contributor consent, immutable records, enterprise-ready provenance

Off the Shelf Catalogue

Single-speaker

TTS, ASR fine-tuning, voice cloning. Dialect + country-of-birth tagged.

Multi-speaker

Voice AI reaches under 3% of the world's 7,000 languages. We capture the rest

Transcriptions

Fast-turnaround voice annotation in scale and on demand for any language

Huggingface

Design a data set with us

Step 1

Request samples

Step 1

Request samples

Short call to scope the use case. We send relevant samples right after.

Step 2

License the data

Step 2

License the data

Step 2

License the data

Data license agreement covering the dataset, use cases, and term your team needs.

Step 3

Receive your data

Step 3

Receive your data

Step 3

Receive your data

Off-the-shelf datasets within one to two days. Custom collection on the timeline we agree.

We’ve got answers

What languages and dialects do you cover?

How fast can you deliver?

How is consent collected and verified?

What licensing models do you offer?

How are contributors compensated?

Ready to train voice AI that hears the whole world?

Access Data

Start Contributing