def _adjust_boundaries(self, text_map, real_wave_full_mfcc,
real_wave_length):
"""
Adjust the boundaries between consecutive fragments.
Return a pair:
1. a success bool flag
2. the computed interval map, that is,
a list of triples ``[start_time, end_time, fragment_id]``
"""
self._log("Adjusting boundaries")
algo = self.task.configuration.adjust_boundary_algorithm
value = None
if algo is None:
self._log("No adjust boundary algorithm specified: returning")
return (True, text_map)
elif algo == AdjustBoundaryAlgorithm.AUTO:
self._log("Requested adjust boundary algorithm AUTO: returning")
return (True, text_map)
elif algo == AdjustBoundaryAlgorithm.AFTERCURRENT:
value = self.task.configuration.adjust_boundary_aftercurrent_value
elif algo == AdjustBoundaryAlgorithm.BEFORENEXT:
value = self.task.configuration.adjust_boundary_beforenext_value
elif algo == AdjustBoundaryAlgorithm.OFFSET:
value = self.task.configuration.adjust_boundary_offset_value
elif algo == AdjustBoundaryAlgorithm.PERCENT:
value = self.task.configuration.adjust_boundary_percent_value
elif algo == AdjustBoundaryAlgorithm.RATE:
value = self.task.configuration.adjust_boundary_rate_value
elif algo == AdjustBoundaryAlgorithm.RATEAGGRESSIVE:
value = self.task.configuration.adjust_boundary_rate_value
self._log(["Requested algo %s and value %s", algo, value])
try:
self._log("Running VAD...")
vad = VAD(logger=self.logger)
vad.wave_mfcc = real_wave_full_mfcc
vad.wave_len = real_wave_length
vad.compute_vad()
self._log("Running VAD... done")
except Exception as e:
self._log("Adjusting boundaries: failed")
self._log(["Message: %s", str(e)])
return (False, None)
self._log("Creating AdjustBoundaryAlgorithm object")
adjust_boundary = AdjustBoundaryAlgorithm(algorithm=algo,
text_map=text_map,
speech=vad.speech,
nonspeech=vad.nonspeech,
value=value,
logger=self.logger)
self._log("Adjusting boundaries...")
adjusted_map = adjust_boundary.adjust()
self._log("Adjusting boundaries... done")
self._log("Adjusting boundaries: succeeded")
return (True, adjusted_map)
def _extract_speech(self):
""" Extract speech intervals """
self._log("Running VAD...")
vad = VAD(frame_rate=self.frame_rate, logger=self.logger)
vad.wave_len = self.audio_file.audio_length
vad.wave_mfcc = self.audio_file.audio_mfcc
vad.compute_vad()
self.audio_speech = vad.speech
self._log("Running VAD... done")
def _extract_speech(self):
""" Extract speech intervals """
self._log("Running VAD...")
vad = VAD(frame_rate=self.frame_rate, logger=self.logger)
vad.wave_len = self.audio_file.audio_length
vad.wave_mfcc = self.audio_file.audio_mfcc
vad.compute_vad()
self.audio_speech = vad.speech
self._log("Running VAD... done")
def _adjust_boundaries(
self,
text_map,
real_wave_full_mfcc,
real_wave_length
):
"""
Adjust the boundaries between consecutive fragments.
Return a pair:
1. a success bool flag
2. the computed interval map, that is,
a list of triples ``[start_time, end_time, fragment_id]``
"""
self._log("Adjusting boundaries")
algo = self.task.configuration.adjust_boundary_algorithm
value = None
if algo is None:
self._log("No adjust boundary algorithm specified: returning")
return (True, text_map)
elif algo == AdjustBoundaryAlgorithm.AUTO:
self._log("Requested adjust boundary algorithm AUTO: returning")
return (True, text_map)
elif algo == AdjustBoundaryAlgorithm.AFTERCURRENT:
value = self.task.configuration.adjust_boundary_aftercurrent_value
elif algo == AdjustBoundaryAlgorithm.BEFORENEXT:
value = self.task.configuration.adjust_boundary_beforenext_value
elif algo == AdjustBoundaryAlgorithm.OFFSET:
value = self.task.configuration.adjust_boundary_offset_value
elif algo == AdjustBoundaryAlgorithm.PERCENT:
value = self.task.configuration.adjust_boundary_percent_value
elif algo == AdjustBoundaryAlgorithm.RATE:
value = self.task.configuration.adjust_boundary_rate_value
elif algo == AdjustBoundaryAlgorithm.RATEAGGRESSIVE:
value = self.task.configuration.adjust_boundary_rate_value
self._log(["Requested algo %s and value %s", algo, value])
try:
self._log("Running VAD...")
vad = VAD(logger=self.logger)
vad.wave_mfcc = real_wave_full_mfcc
vad.wave_len = real_wave_length
vad.compute_vad()
self._log("Running VAD... done")
except Exception as e:
self._log("Adjusting boundaries: failed")
self._log(["Message: %s", str(e)])
return (False, None)
self._log("Creating AdjustBoundaryAlgorithm object")
adjust_boundary = AdjustBoundaryAlgorithm(
algorithm=algo,
text_map=text_map,
speech=vad.speech,
nonspeech=vad.nonspeech,
value=value,
logger=self.logger
)
self._log("Adjusting boundaries...")
adjusted_map = adjust_boundary.adjust()
self._log("Adjusting boundaries... done")
self._log("Adjusting boundaries: succeeded")
return (True, adjusted_map)
