wavsample.py

from scipy.io.wavfile import read #import wav audio related functions 
import matplotlib.pyplot as plt  #for plotting 

fs , x = read('/home/karthic/Downloads/kalimba.wav') #x is an array of integers containing all the samples of the wav file 
print "sample rate = " ,fs #sample rate of the wav file 
print "Total samples in the wav audio: ",x.size #total number of samples in the wav audio 

print "Length of wav file in seconds: ",x.size/float(fs) 
 #number of samples / sampling rate gives the length of the wav file in seconds 
plt.plot(x) #plot the wav sampling 
plt.show()