text: '''
  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
  