def __write_trs_track(track_filename, track_content, duration):
begin = TimePoint(0.)
end = TimePoint(duration)
ann = Annotation(TimeInterval(begin, end), Label(track_content))
trs = Transcription()
tier = trs.NewTier("Transcription")
tier.Append(ann)
sppas.src.annotationdata.aio.write(track_filename, trs)
def tracks2transcription(self, ipustrs, ipusaudio, add_ipu_idx=False):
""" Create a Transcription object from tracks.
:param ipustrs: (IPUsTrs)
:param ipusaudio: (IPUsAudio)
:param add_ipu_idx: (bool)
"""
if len(self.tracks) == 0:
raise IOError('No IPUs to write.\n')
# Extract the info we need from IPUsAudio
framerate = ipusaudio.get_channel().get_framerate()
end_time = ipusaudio.get_channel().get_duration()
# Extract the info we need from ipustrs
try:
medialist = ipustrs.trsinput.GetMedia()
if len(medialist) > 0:
media = medialist[0]
else:
media = None
except Exception:
media = None
units = ipustrs.get_units()
if len(units) != 0:
if len(self.tracks) != len(units):
raise Exception('Inconsistent number of tracks and units. '
'Got %d audio tracks, and %d units.\n' %
(len(self.tracks), len(units)))
# Create the transcription and tiers
trs = Transcription("IPU-Segmentation")
tieripu = trs.NewTier("IPUs")
tier = trs.NewTier("Transcription")
radius = ipusaudio.get_win_length() / 8.
# vagueness is win_length divided by 4 (see "refine" method of sppasChannelSilence class)
# radius is vagueness divided by 2
# Convert the tracks: from frames to times
tracks_times = frames2times(self.tracks, framerate)
i = 0
to_prec = 0.
for (from_time, to_time) in tracks_times:
# From the previous track to the current track: silence
if to_prec < from_time:
begin = to_prec
end = from_time
a = Annotation(
TimeInterval(TimePoint(begin, radius),
TimePoint(end, radius)), Label("#"))
tieripu.Append(a)
tier.Append(a.Copy())
# New track with speech
begin = from_time
end = to_time
# ... IPU tier
label = "ipu_%d" % (i + 1)
a = Annotation(
TimeInterval(TimePoint(begin, radius), TimePoint(end, radius)),
Label(label))
tieripu.Append(a)
# ... Transcription tier
if add_ipu_idx is False:
label = ""
if len(units) > 0:
label = label + " " + units[i]
a = Annotation(
TimeInterval(TimePoint(begin, radius), TimePoint(end, radius)),
Label(label))
tier.Append(a)
# Go to the next
i += 1
to_prec = to_time
# The end is a silence?
if to_prec < end_time:
begin = TimePoint(to_prec, radius)
end = TimePoint(end_time, radius)
if begin < end:
a = Annotation(TimeInterval(begin, end), Label("#"))
tieripu.Append(a)
tier.Append(a.Copy())
# Link both tiers: IPU and Transcription
try:
trs.GetHierarchy().add_link('TimeAssociation', tieripu, tier)
except Exception:
pass
# Set media
if media is not None:
trs.AddMedia(media)
for tier in trs:
tier.SetMedia(media)
return trs
