Custom voice datasets
Speech recorded for your model, across languages, accents and styles.
- Voices forAssistants, agents and narration
- Speech forRecognition and evaluation
- RangeNeutral reads to expressive performance
The craft of professional voice‑over, with the accountability AI teams need.
Onda casts, records and licenses voice‑over for AI products.
Others source voices. We hear them.
Everything from the first audition to the final file, handled by Onda.
Speech recorded for your model, across languages, accents and styles.
The right licence for your product, whether you’re training a model, giving it a voice, or both.
Auditions and casting from a global roster of professional voice actors, across every locale we record.
Studio or remote sessions, with direction when the performance calls for it.
Editing and quality review, for clean, consistent audio.
Clean audio, clean records. Nothing for your legal team to untangle later.
Recorded natively, by region. Consult us for more on‑demand locales.
EN‑USEnglish (United States)PT‑BRPortuguese (Brazil)ES‑MXSpanish (Mexico)ES‑COSpanish (Colombia)ES‑ARSpanish (Argentina)ES‑USSpanish (United States)Other regional locales and English accents available on demand.
RURussianTRTurkishDE‑DEGerman (Germany)FR‑FRFrench (France)ITItalianEN‑GBEnglish (United Kingdom)ES‑ESSpanish (Spain)PLPolishUKUkrainianNL‑NLDutch (Netherlands)ELGreekSVSwedishHUHungarianCSCzechPT‑PTPortuguese (Portugal)BGBulgarianDADanishFIFinnishGAIrishZHChineseHI‑INHindi (India)ARArabicIDIndonesianJAJapaneseKOKoreanEN‑AUEnglish (Australia)Five steps, a dedicated team, and consent before anyone records a word.
Tell us what you’re building and the voices you need.
We run auditions and find the voices that fit.
Every performer agrees before recording.
Professional sessions, in vetted studios and home studios.
Clean, consented audio, ready to train on.
We bridge the voice‑over industry and the technology built on it.
Our team has worked with leading AI companies, S&P 500 enterprises and YC startups.
Sessions are planned for model training from the start, not repurposed from other work.
Rights are cleared upstream, before anyone records, so there’s nothing to fix downstream.
We don’t run a competing voice product.
A dedicated team of specialists, tailored to the needs of every project.
Tell us about your product and the voices you need. We’ll take it from there.
You decide which projects your voice is part of, and how it’s used.
Send a short introduction with your languages, accents and a link to your reel. Your demos are used only for casting. How we keep them