def run_alignment(self, inputwav, outputalign, N=3):
"""
Execute the external program `julius` to align.
The data related to the unit to time-align need to be previously
fixed with:
- set_phones(str)
- set_tokens(str)
@param inputwav (str - IN) the audio input file name, of type PCM-WAV 16000 Hz, 16 bits
@param outputalign (str - OUT) the output file name
@param N (int) N value of N-grams, used only if SLM (i.e. outext=walign)
@return (str) A message of `julius`.
"""
outputalign = outputalign + "." + self._outext
basename = os.path.splitext(inputwav)[0]
if self._outext == "palign":
self.gen_grammar_dependencies(basename)
else:
self.gen_slm_dependencies(basename)
self.run_julius(inputwav, basename, outputalign)
with codecs.open(outputalign, 'r', encoding) as f:
lines = f.readlines()
errorlines = ""
message = ""
entries = []
for line in lines:
if line.find("Error: voca_load_htkdict")>-1 and line.find("not found")>-1:
line = ToStrip( line )
line = line[line.find('"')+1:]
line = line[:line.find('"')]
if len(line)>0:
entries = line.split()
if len(entries) > 0:
added = self.add_tiedlist(entries)
if len(added) > 0:
message = "The acoustic model was modified. The following entries were successfully added into the tiedlist: "
message = message + " ".join(added) + "\n"
self.run_julius(inputwav, basename, outputalign)
with codecs.open(outputalign, 'r', encoding) as f:
lines = f.readlines()
for line in lines:
if (line.startswith("Error:") or line.startswith("ERROR:")) and not " line " in line:
errorlines = errorlines + line
if "search failed" in line:
message = "Julius search has failed to find the transcription in the audio file of this unit."
errorlines = "Search error. "+ errorlines
if len(errorlines) > 0:
raise Exception(message + errorlines)
return message
def get_phon_entry(self, entry):
"""
Return the phonetization of an entry.
Unknown entries are not automatically phonetized.
This is a pure dictionary-based method.
@param `entry` (str) The token to phonetize.
@return A string with the phonetization of `entry` or
the unknown symbol.
"""
entry = ToStrip(entry)
# Specific strings... for the italian transcription...
# For the participation at the CLIPS-Evalita 2011 campaign.
if entry.startswith(u"<") is True and entry.endswith(u">") is True:
entry = entry[1:-1]
# No entry! Nothing to do.
if len(entry) == 0:
return ""
# Specific strings used in the CID transcription...
# CID is Corpus of Interactional Data, http://sldr.org/sldr000720
if entry.startswith(u"gpd_") is True or entry.startswith(u"gpf_") is True:
return ""
# Specific strings used in SPPAS IPU segmentation...
if entry.find(u"ipu_")>-1:
return ""
# Find entry in the dict as it is given
_strphon = self._pdict.get_pron( entry )
# OK, the entry is properly phonetized.
if _strphon != self._pdict.unkstamp:
return self._map_phonentry( _strphon )
return self._pdict.unkstamp
