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Speech & audio

NVIDIA NeMo Speech

NVIDIA's toolkit and open models for speech recognition, text-to-speech and voice AI.

What it does

NeMo Speech is a framework from NVIDIA for building speech AI. It covers turning speech into text (speech recognition), turning text into natural speech (text-to-speech), translating speech and recognising who is speaking.

NVIDIA also publishes ready-to-use models built with it, such as Parakeet and Canary for speech recognition and MagpieTTS for speech in many languages. Several have online demos.

It is designed for researchers and developers who train, adapt or run these models.

Who it's for

Researchers and developers working on voice and speech AI.

Can I use it without coding?

Developers only. Installed as a Python package and used from code. A graphics card is usually needed. New to this? Start here.

Can I run it?

Cost
FreeNothing to pay or sign up for.
Computer
Works best on a powerful computer or one with a graphics card (GPU)
Privacy
Runs on your own device: your data stays with you
API key
Not needed

Try it

Using Claude Code, Cursor or another AI coding assistant? Paste the prompt and it will walk you through the setup.New to this?

Before you install

  • Only download from the official GitHub page. Copies with similar names exist for many popular projects.
  • License (Apache-2.0): Permissive: free to use, change and share, including for business.
  • More on staying safe

Where people are talking about it