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The CMU Audio Databases

Speech at CMU


CMU Robust Speech Recognition Group: Census Database
This database, also known as AN4 and as the Alphanumeric database, was recorded internally at CMU circa 1991. It has been used in several theses over the years.

This database is made available subject to the license terms.

CMU Census Database

This page is maintained by Evandro Gouvêa ()
The Robust Speech Recognition Group is part of the Sphinx Speech Group at Carnegie Mellon University