split audio file into multiple pieces

cut_audio.py

import sys
import subprocess

input_file = sys.argv[1]
seconds = sys.argv[2]
num_pieces = sys.argv[3]

for i in range(num_pieces):
    num = i * seconds
    output = "output/{0}.wav".format(i)
    s = ["ffmpeg", "-i", str(input_file), "-ss", str(num), "-t", str(seconds), "-acodec", "copy", output]
    subprocess.call(s)