code: def convert_to_wav(files):
      '''Converts files to a format that pocketsphinx can deal wtih (16khz mono 16bit wav)'''
      converted = []
      for f in files:
          new_name = f + '.temp.wav'
          print(new_name)
          if (os.path.exists(f + '.transcription.txt') is False) and (os.path.exists(new_name) is False):
              subprocess.call(['ffmpeg', '-y', '-i', f, '-acodec', 'pcm_s16le', '-ac', '1', '-ar', '16000', new_name])
          converted.append(new_name)
      return convertef convert_to_wav(files):
      '''Converts files to a format that pocketsphinx can deal wtih (16khz mono 16bit wav)'''
      converted = []
      for f in files:
          new_name = f + '.temp.wav'
          print(new_name)
          if (os.path.exists(f + '.transcription.txt') is False) and (os.path.exists(new_name) is False):
              subprocess.call(['ffmpeg', '-y', '-i', f, '-acodec', 'pcm_s16le', '-ac', '1', '-ar', '16000', new_name])
          converted.append(new_name)
      return converted
docs: Converts files to a format that pocketsphinx can deal wtih (16khz mono 16bit wav)