World-Class AI Speech


As speech-based applications are adopted globally, solutions need to interact with humans across many languages. Speech AI apps need to understand industry specific jargon and respond naturally in real-time. Riva includes world-class automatic speech recognition (ASR) and text-to-speech (TTS) that runs in real time.


Try Riva Voice Recognition

In this demo, you'll see Riva speech recognition deliver highly accurate transcription in real time. You can provide an input through your microphone or upload a .wav file from your device.

The duration of each sample is limited to 30 seconds.

Try saying something

Try NVIDIA Riva Text-to-Speech

If you're looking to add voice to your interactive virtual assistant, modern home device, or reading assistant for the visually impaired or for people with a reading disability, try Riva's out-of-the-box English female or male voice.

Hear the natural-sounding and expressive voices created using Riva's state-of-the-art neural speech synthesis models.

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Your use of Riva Voice Recognition and Riva Text-to-Speech is subject to our Terms of Use. Your data will be used to improve NVIDIA products and services.