CMU Pronouncing Dictionary

The CMU Pronouncing Dictionary (also known as cmudict) is a public domain pronouncing dictionary created by Carnegie Mellon University. It is used as the American lexicon for the Festival Speech Synthesis System. The latest release is 0.6, which contains 127,069 entries.

Database Format

The database is distributed as a text file of the format word pronunciation. If there are multiple pronunciations available for a word, all subsequent entries are followed by an index in parentheses. The pronunciation is encoded using the Arpabet system. For example, the following pronunciations are available for encyclopedia:

 ENCYCLOPEDIA  AH0 N S AY2 K L AH0 P IY1 D IY0 AH0

 ENCYCLOPEDIA(2)  AH0 N S AY2 K L OW0 P IY1 D IY0 AH0

History

Version	Release date
0.1	16 September 1993
0.2	10 March 1994
0.3	28 September 1994
0.4	8 November 1995
0.5	No public release
0.6	11 August 1998

License

The dictionary is released under the following license:

 The Carnegie Mellon Pronouncing Dictionary [cmudict.0.6] is Copyright 1998

 by Carnegie Mellon University. Use of this dictionary, for any research or

 commercial purpose, is completely unrestricted.  If you make use of or

 redistribute this material, we would appreciate acknowledgement of its

 origin.

Applications

The [Unifon] converter is based on the CMU Pronouncing Dictionary.

References

External links

• Homepage - includes database search
• RDF converted to Resource Description Framework by the open source Texai project.