Text-to-Speech (TTS) Engine in 119 Voices

Create a human voice for your brand

Nuance's Text-to-Speech (TTS) technology leverages neural network techniques to deliver a human‑like, engaging, and personalized user experience. Enhance any customer self‑service application with high‑quality audio tailored to your brand.

Try Nuance Text-to-Speech

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Nuance Vocalizer delivers life‑like voices that are trained on your use cases and dialogues, and speak your language as fluently as a live agent. Vocalizer uses advanced text-to-speech technology based on recurrent neural networks, delivering a far more human‑sounding voice with key benefits including:

  • A superior caller experience
  • Reduced costs by automating more calls
  • Flexibility and control to update your application
  • Differentiate your brand with a custom voice experience

It couldn’t be easier

Nuance TTS establishes a unique voice for your brand and maintains consistent caller experience across your IVR and mobile channels. Designed to empower high‑quality self‑service applications, Nuance TTS creates natural sounding speech in 53 languages and 119 voice options. With Vocalizer, your brand can say whatever you want it to and whenever you need it to—without having to hire, brief or record voice talent.

Nuance Text-to-Speech expertise has been perfected over 20 years. By pursuing more natural and expressive speech synthesis, we have developed technology that can pronounce challenging words better than most humans.

Benefit include:

  • A wide portfolio of human-sounding voices
  • Enhanced expressivity
  • Expanded multilingual support
  • AI-optimized text processing
  • The ability to create unique custom voice personas
  • Access to our voice, Zoe: a breakthrough in natural‑sounding automated voice

See how our technology stacks up


years of Nuance TTS expertise


languages available to support your global business efforts.


unique voices—17 of them multi‑lingual—to distinguish your brand

Nuance Text-to-Speech technology powers many of our solutions

We've got an API for that

Quickly and easily bring the power of our Text‑to‑Speech services to your solutions. Discover how Conversational AI Services from Nuance give you more speed, choice and flexibility in how you deploy text‑to‑speech capabilities.

Our expertise, your success

Nuance professional services leverage 25 years of experience and thousands of successful deployments to offer thought leadership and commitment to your results. We use the latest tools and techniques to design, develop, deploy, and optimize your speech-enabled IVR applications.

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