nltk_data/corpora/cmudict/README - master

The Carnegie Mellon Pronouncing Dictionary [cmudict.0.7a]

ftp://ftp.cs.cmu.edu/project/speech/dict/ https://cmusphinx.svn.sourceforge.net/svnroot/cmusphinx/trunk/cmudict/cmudict.0.7a

File Format: Each line consists of an uppercased word, a counter (for alternative pronunciations), and a transcription. Vowels are marked for stress (1=primary, 2=secondary, 0=no stress). E.g.: NATURAL 1 N AE1 CH ER0 AH0 L

The dictionary contains 127069 entries. Of these, 119400 words are assigned a unique pronunciation, 6830 words have two pronunciations, and 839 words have three or more pronunciations. Many of these are fast-speech variants.

Phonemes: There are 39 phonemes, as shown below:

Phoneme Example Translation    Phoneme Example Translation
------- ------- -----------    ------- ------- -----------
AA      odd     AA D           AE      at      AE T
AH      hut     HH AH T        AO      ought   AO T
AW      cow     K AW           AY      hide    HH AY D
B       be      B IY           CH      cheese  CH IY Z
D       dee     D IY           DH      thee    DH IY
EH      Ed      EH D           ER      hurt    HH ER T
EY      ate     EY T           F       fee     F IY
G       green   G R IY N       HH      he      HH IY
IH      it      IH T           IY      eat     IY T
JH      gee     JH IY          K       key     K IY
L       lee     L IY           M       me      M IY
N       knee    N IY           NG      ping    P IH NG
OW      oat     OW T           OY      toy     T OY
P       pee     P IY           R       read    R IY D
S       sea     S IY           SH      she     SH IY
T       tea     T IY           TH      theta   TH EY T AH
UH      hood    HH UH D        UW      two     T UW
V       vee     V IY           W       we      W IY
Y       yield   Y IY L D       Z       zee     Z IY
ZH      seizure S IY ZH ER

(For NLTK, entries have been sorted so that, e.g. FIRE 1 and FIRE 2 are contiguous, and not separated by FIRE'S 1.)

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. The contents of this file are deemed to be source code.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

This work was supported in part by funding from the Defense Advanced Research Projects Agency, the Office of Naval Research and the National Science Foundation of the United States of America, and by member companies of the Carnegie Mellon Sphinx Speech Consortium. We acknowledge the contributions of many volunteers to the expansion and improvement of this dictionary.

THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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