'''
Created on Aug 23, 2014
@author: tmahrt
'''
import wave
def getSoundFileDuration(fn):
'''
Returns the duration of a wav file (in seconds)
'''
audiofile = wave.open(fn, "r")
params = audiofile.getparams()
framerate = params[2]
nframes = params[3]
duration = float(nframes) / framerate
return duration