gistfile1.pytb

# -*- coding: utf-8 -*-
# <nbformat>3.0</nbformat>

# <markdowncell>

# Robert Miller
# MAT240E - Homework 1

# <codecell>

from scipy.io import wavfile
import glob
from os import *

# <codecell>

myWavs = glob.glob('/Users/milrober/Desktop/MIR/240E/*.wav')

# <codecell>

sndlib =  []
smpRates = []
for i, title in enumerate(myWavs):
    sr, temp = wavfile.read(myWavs[i])
    sndlib.append(temp)
    smpRates.append(sr)

# <codecell>

def getDur(sndFile, sr):
    frameRate = sr / sndFile.shape[1] 
    totalFrames = sndFile.shape[0] / sndFile.shape[1]
    return float(totalFrames / frameRate) / 60

# <codecell>

durations = []
for i in range(len(sndlib)):
    durations.append(getDur(sndlib[i], smpRates[i]))

# <codecell>

hist(durations)