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# Natural Language Toolkit: Genesis Corpus Reader # # Copyright (C) 2001-2012 NLTK Project # Author: Steven Bird <sb@ldc.upenn.edu> # URL: <http://www.nltk.org/> # For license information, see LICENSE.TXT
The Carnegie Mellon Pronouncing Dictionary [cmudict.0.6] ftp://ftp.cs.cmu.edu/project/speech/dict/ Copyright 1998 Carnegie Mellon University
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 """
""" :return: the cmudict lexicon as a list of entries containing (word, transcriptions) tuples. """ return concat([StreamBackedCorpusView(fileid, read_cmudict_block, encoding=enc) for fileid, enc in self.abspaths(None, True)])
""" :return: the cmudict lexicon as a raw string. """ if fileids is None: fileids = self._fileids elif isinstance(fileids, compat.string_types): fileids = [fileids] return concat([self.open(f).read() for f in fileids])
""" :return: a list of all words defined in the cmudict lexicon. """ return [word.lower() for (word, _) in self.entries()]
""" :return: the cmudict lexicon as a dictionary, whose keys are lowercase words and whose values are lists of pronunciations. """ return dict(Index(self.entries()))
entries = [] while len(entries) < 100: # Read 100 at a time. line = stream.readline() if line == '': return entries # end of file. pieces = line.split() entries.append( (pieces[0].lower(), pieces[2:]) ) return entries |