Human voice direction for AI systems

A consistent, consent-aware human voice, recorded before a single line goes into a model.

AI voice recordingAI voice specialistTTSvoice datasetvoice cloningconversational AI
VOICE LAB

Voice Lab research for production decisions

A practical research library on presence, intelligibility, AI voice identity and the way a recorded voice behaves in real production contexts.

Open Voice Lab

Voice Lab: AI Voice Identity & Conversational Presence

Research library on voice identity design for conversational AI, personality expression in text-to-speech systems and the way AI voice performs in user interaction contexts.

How it works

How an AI voice session is actually structured

Before recording, usage and consent are discussed directly — what the voice is for, how it will be used, and what rights apply.

Sessions are built for consistency across long blocks: the same tone, pace and mic distance from the first prompt to the last.

Files are delivered segmented and labeled for dataset processing or product integration, not as one continuous recording.

Where this fits

A consistent, consent-aware human voice, recorded before a single line goes into a model.

AI voice work usually starts with a question nobody has fully answered yet: what should this voice actually sound like, and who owns the recording once it exists. Both questions get addressed before the mic goes on.

Consent and usage are discussed as a normal part of the brief, not paperwork bolted on afterward. Recording sessions are built for consistency across long blocks, since a dataset or assistant voice has to sound identical whether it was captured in the first hour or the eighth.

Questions

Questions producers ask before booking

When is this the right service?

This service is useful for AI voice work that needs human performance discipline, dataset awareness and a clear acoustic identity before recording begins, with a professional Spanish voice recorded from Spain and prepared for international production standards.

What should be included in the brief?

Send the script, target market, usage, deadline, pronunciation notes, reference tone and whether the session needs live direction.

Can this support AI voice or dataset work?

Yes. AI voice projects can include consistent takes, consent-aware usage discussion, phonetic coverage and delivery prepared for technical review.

How does the process reduce revisions?

Tone, pace, rights, file format and audience are clarified before recording, so the first delivery is closer to the edit and campaign context.

Can JOIA record voice over projects from Spain for international clients?

Yes. Joel De Las Heras Bean records from a professional studio in Spain for agencies, brands, producers and technology teams working in Spain and internationally.

What languages are available?

Professional recordings are available in Spanish, English for premium and luxury brand contexts, and Catalan.

Why JOIA

What AI voice work actually requires from a performer

Fatigue control matters more here than in a single ad read — hours of prompts need to sound like the same voice at minute five and minute two hundred.

Joel treats consent and usage as a conversation to have before recording starts, not paperwork to sort out afterward.

The performance has to work for a machine to learn from and for a human to listen to without noticing the difference.

Studio

Recording for systems, not just for ears

A dataset session and a conversational-assistant session ask for different things, so the direction is set before recording, not adjusted after the fact.

Text-to-speech and voice cloning work needs a consistent voice identity across hundreds of takes — the studio setup stays fixed for exactly that reason.

Where the voice is going matters: a customer-service assistant needs different pacing than a narrated onboarding flow, even from the same voice.

Next step

Choose the right next step

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Contact

For projects, casting, usage rights or directed sessions, contact directly by email.

AvailabilityRemote sessions from Spain
LanguagesSpanish, English and Catalan
TurnaroundFast review after script and usage details