Count audio track duration

count.py

import soundfile as sf
import argparse
import numpy as np


if __name__ == '__main__':
    parser = argparse.ArgumentParser(description='Count duration of input files')
    parser.add_argument('inputs', nargs='+', help='input file names')

    args = parser.parse_args()

    track_duration = []
    for f in args.inputs:
        audio, rate = sf.read(f)
        track_duration.append(audio.shape[0] / rate)

    print("Nb Tracks:\t %d" % len(track_duration))
    print("Total Duration:\t %f seconds" % np.sum(track_duration))
    print("Mean Duration:\t %f seconds" % np.mean(track_duration))
    print("Std Duration:\t %f seconds" % np.std(track_duration))
    print("Min Duration:\t %f seconds" % np.min(track_duration))
    print("Max Duration:\t %f seconds" % np.max(track_duration))