def get_audio(videofile, audiofile):
    os.system('ffmpeg -y  -threads 4 -i {} -f wav -ab 192000 -vn {}'.format(videofile, audiofile))
def get_audio(videofile, audiofile):
    os.system('ffmpeg -y  -threads 4 -i {} -f wav -ab 192000 -vn {}'.format(videofile, audiofile))