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Wolof Speech Dataset

Everyday Wolof speech, including French code-switching, for CPaaS platforms serving Senegal.

Senegal · ISO 639: wo

What you get with the Wolof dataset

ModalityConversational & image-prompted speech
FormatWAV · 16 kHz + timestamped transcripts (JSON)
LicensingCommercial license + SLA
Quality>80% inter-annotator agreement
SourcingFair-Trade, native speakers
DeliveryAPI or S3

Part of our speaker-verified corpus across Luganda, Ewe, Fulfulde, Hausa, Wolof, Twi & Yoruba fully annotated and growing.

Built for teams shipping Wolof voice products

Wolof ASR training

Fine-tune Whisper, MMS or your own acoustic model on verified native Wolof speech instead of scraped audio.

Local-language IVR

Launch Wolof voice menus for customers in Senegal in weeks, not months.

Voice bots & assistants

Train conversational AI that understands natural Wolof, including the code-switching real users do.

How the data is made

  • Image-prompted elicitation

    Speakers describe images rather than read scripts, capturing natural speech and code-switching.

  • AI quality filtering at capture

    Noisy audio is discarded automatically before it reaches human reviewers.

  • >80% inter-annotator agreement

    Every annotation is cross-checked against our linguistic quality standard.

  • Fair-Trade sourcing

    Native speakers are paid fairly per completed mission, with a provenance trail your compliance team can audit.

On Wolof sentiment, data validated through our pipeline reaches 90.0% F1, twice the best frontier LLM we tested.

See the benchmark

Wolof dataset FAQ

Is the Wolof speech dataset licensed for commercial use?

Yes. Every Wolof dataset ships with a commercial license and an SLA: guaranteed delivery windows, defined annotation accuracy, free re-delivery on any QA failure, and a provenance trail for IP, data-protection and AI Act reviews.

What format is the audio delivered in?

16 kHz WAV audio with timestamped transcripts in JSON, delivered via API or S3 straight into your training pipeline. We can adapt to your schema.

How many hours of Wolof audio are available?

The Wolof corpus is growing continuously. Volume, speaker mix and domains are scoped to your use case on a short call, and we can run a collection mission to top up anything specific.

Can you fine-tune or benchmark a model on Wolof for us?

Yes. Beyond licensing data, we fine-tune Whisper or MMS on your target languages and benchmark the result against your current baselines.

Can I hear a sample before committing?

Yes. Request the dataset or book a call and we will share representative samples and a data card before any contract.

Other shipping datasets

Need another African language? We run on-demand collection missions with our native-speaker network.

Ready to put Wolof into production?

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