FOR EXPERTS AND AUTHORS

Turn knowledge into a site, books, audio and video in your voice, in several languages.

You are a doctor, author, consultant or teacher. You already have the knowledge. We turn it into a website, a newsletter, a book translation, an audiobook and videos in your own voice. You do not have to assemble any of it yourself.

Describe your taskfrom 140 €

Who it is for

  • You have books, lectures, articles or recordings and no time to turn them into content.
  • You want to reach your audience in several languages without voice actors or translation agencies.
  • You need a clear site and a newsletter that keep working while you do your actual job.

What you can order

Your voice — a first test

from 290 €

We clone your voice only with your written consent. Then you get a test audio chapter or video to hear before deciding.

Learn more →

Your book in another language

from 40 € per 1,000 words

We translate and edit your book in three steps. The result is not raw machine output.

Learn more →

Audiobook

from 250 € per finished hour

In your own voice — from 350 €. We check every chapter by ear.

Learn more →

Videos and podcast

from 140 € per episode

Each episode uses your voice, themed footage and subtitles. A YouTube video starts from 190 €.

Learn more →

Expert website

from 490 €

A clear two-language site with an enquiry form and newsletter sign-up.

Learn more →

New monthly content

from 490 € per month

You get two videos or podcast episodes and one letter to subscribers each month. We handle the whole production.

We clone a voice only with the written consent of the person it belongs to.

Contact

One person reads this inbox — the same person who builds what you order.

Describe your task

Tell us what you have and what result you need — even a single small task. No brief required: within 48 hours you get a plan and a price in writing, a question, or an honest “not a fit”.

Include the situation, files or links, deadline, language, privacy limits and budget boundary if you have one.

File (optional)
No file chosen

A brief, a photo, a spreadsheet — whatever explains the task faster than words. Up to 8 MB, stored with our hosting provider. Please don't send sensitive personal or medical documents through the site.

Sending creates no order and no payment. We reply within 48 hours. Prefer email? contact@castel.studio

Talk to us

Prefer a call or a messenger? Write or call — the studio's founder answers.

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A one-person AI studio in Nice. Whoever answers your message is the one who does the work — no account managers in between. Files are processed on our own machine, not in someone else's cloud.

Nice 06100, France · Open in maps →

SIREN 103 115 705