Universal Speech Interface logo

Welcome to Carnegie Mellon University's

Universal Speech Interface

(a.k.a. "Speech Graffiti")

Project Homepage!

Funded by The Pittsburgh Digital Greenhouse and DARPA/ITO.


The USI project (a.k.a. "speech graffiti") is an attempt to design a universal speech interface allowing humans to communicate effectively, efficiently and effortlessly with simple machines and information services.

For a better understanding of the project and its goals, read the USI Manifesto.

Our current application testbeds include:

Learn how to use the USI

Watch the USI video (57 MB)

USI publications

The USI team:

We gratefully acknowledge contributions from other people in our research group:  Arthur Toth, Jerry Zhu, Alan Black, Ricky Houghton, Kevin Lenzo, Rita Singh.

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