Beispiel #1
0
    def gen_dependencies(self, grammarname, dictname):
        """
        Generate the dependencies (grammar, dictionary) for HVite.

        @param grammarname is the file name of the tokens
        @param dictname is the dictionary file name

        """
        dictpron = DictPron()

        with codecs.open(grammarname, 'w', encoding) as flab:

            for token,pron in zip(self._tokens.split(),self._phones.split()):

                # dictionary:
                for variant in pron.split("|"):
                    dictpron.add_pron( token, variant.replace("-"," ") )
                    if self._infersp is True:
                        variant = variant + '-sil'
                        dictpron.add_pron( token, variant.replace("-"," ") )

                # lab file (one token per line)
                flab.write( token+"\n")

        dictpron.save_as_ascii( dictname )
Beispiel #2
0
    def gen_slm_dependencies(self, basename, N=3):
        """
        Generate the dependencies (slm, dictionary) for julius.

        @param basename (str - IN) the base name of the slm file and of the dictionary file
        @param N (int) Language model N-gram length.

        """
        dictname = basename + ".dict"
        slmname  = basename + ".arpa"

        phoneslist = self._phones.split()
        tokenslist = self._tokens.split()

        dictpron = DictPron()

        for token,pron in zip(tokenslist,phoneslist):
            for variant in pron.split("|"):
                dictpron.add_pron( token, variant.replace("-"," ") )

        if dictpron.is_unk(START_SENT_SYMBOL) is True:
            dictpron.add_pron( START_SENT_SYMBOL, "sil" )
        if dictpron.is_unk(END_SENT_SYMBOL) is True:
            dictpron.add_pron(  END_SENT_SYMBOL, "sil" )

        dictpron.save_as_ascii( dictname, False )

        # Write the SLM
        model = NgramsModel(N)
        model.append_sentences( [self._tokens] )
        probas = model.probabilities( method="logml" )
        arpaio = ArpaIO()
        arpaio.set( probas )
        arpaio.save( slmname )