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added creation of a slower mp3 file for better transcription

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This commit is contained in:
Jaikinator
2022-12-22 11:54:28 +01:00
parent e91fcccf17
commit 350f5b8a30
1 changed files with 31 additions and 3 deletions
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autotranscript/__main__.py
+31 -3
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@@ -52,6 +52,7 @@ class Transcribe:
audiopath = os.path.join(currentpath, 'audiofiles') # path to audio files
transcriptionpath = os.path.join(currentpath, 'transcription') # path to transcription files
audiofiles = os.listdir(audiopath) # list of audio files
return currentpath, audiopath, transcriptionpath, audiofiles
@@ -75,16 +76,37 @@ class Transcribe:
:param remove_orginal: remove original file
:return: mp3 file path
"""
print(f'Converting {file} to mp3')
AudioSegment.from_file(file, format=file.split('.')[-1]).export(file[:-4] + '.mp3', format='mp3')
print(f'Converted {file} to mp3')
if remove_orginal:
os.remove(file)
print(f'File {file} removed')
return os.path.join(file[:-4] + '.mp3')
def slower_mp3(self, file, speed=0.5):
"""
Slow down mp3 file
:param file: mp3 file
:param speed: speed
:return: None
"""
if not os.path.exists(os.path.join(self.transcriptionpath, 'slower_version')):
print('Creating slower_version folder')
os.makedirs(os.path.join(self.transcriptionpath, 'slower_version'))
def transcribe(self):
path = os.path.join(self.transcriptionpath, 'slower_version')
sound = AudioSegment.from_file(file, format="mp3")
slow_sound = sound._spawn(sound.raw_data, overrides={
"frame_rate": int(sound.frame_rate * speed)
})
speedstr = str(speed).replace('.', '')
file_out = file.split('/')[-1][:-4] + f'_{speedstr}.mp3'
save_path = os.path.join(path, file_out)
slow_sound.export(save_path, format="mp3")
def transcribe(self, speed = 0.75):
if self.audiofile is not None:
if self.audiofile in self.audiofiles:
@@ -97,6 +119,9 @@ class Transcribe:
if not audiofile.endswith('.mp3'):
print('Converting video to audio')
audiofile = self.to_mp3(audiofile)
if speed != 1:
print('Creating slower version of the audio file with speed {}'.format(speed))
self.slower_mp3(audiofile, speed=speed)
print(f'Start transcribing Audio file: {audiofile}')
_stime = time()
@@ -124,6 +149,9 @@ class Transcribe:
if not audiofile.endswith('.mp3'):
audiofile = self.to_mp3(audiofile)
if speed != 1:
print('Creating slower version of the audio file with speed {}'.format(speed))
self.slower_mp3(audiofile, speed=speed)
print(f'Start transcribing Audio file: {audiofile}')
_stime = time()