(filename, channels=1, rate=16000)
return temp.name, rate
Extract audio from an input file to a temporary WAV file.
Extract audio from an input file to a temporary WAV file.
Extract audio from an input file to a temporary WAV file .
def extract_audio(filename, channels=1, rate=16000):
    """
    Extract audio from an input file to a temporary WAV file.
    """
    temp = tempfile.NamedTemporaryFile(suffix='.wav', delete=False)
    if not os.path.isfile(filename):
        print("The given file does not exist: {}".format(filename))
        raise Exception("Invalid filepath: {}".format(filename))
    if not which("ffmpeg"):
        print("ffmpeg: Executable not found on machine.")
        raise Exception("Dependency not found: ffmpeg")
    command = ["ffmpeg", "-y", "-i", filename,
               "-ac", str(channels), "-ar", str(rate),
               "-loglevel", "error", temp.name]
    use_shell = True if os.name == "nt" else False
    subprocess.check_output(command, stdin=open(os.devnull), shell=use_shell)
    return temp.name, rate
def extract_audio ( filename , channels = 1 , rate = 16000 ) : temp = tempfile . NamedTemporaryFile ( suffix = '.wav' , delete = False ) if not os . path . isfile ( filename ) : print ( "The given file does not exist: {}" . format ( filename ) ) raise Exception ( "Invalid filepath: {}" . format ( filename ) ) if not which ( "ffmpeg" ) : print ( "ffmpeg: Executable not found on machine." ) raise Exception ( "Dependency not found: ffmpeg" ) command = [ "ffmpeg" , "-y" , "-i" , filename , "-ac" , str ( channels ) , "-ar" , str ( rate ) , "-loglevel" , "error" , temp . name ] use_shell = True if os . name == "nt" else False subprocess . check_output ( command , stdin = open ( os . devnull ) , shell = use_shell ) return temp . name , rate