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+//Caption:Program to calculate the minimum bit rate for a PCM encoder must provide for high fidelity
+ 
+//Example 3.2
+ 
+//Page 105
+ 
+dr=40//dynamic range=400dB
+ 
+SNR=50//signal to noise ratio =5 0dB
+ 
+SQR=dr+SNR 
+ 
+n=[(SQR-1.76)/6.02] 
+ 
+disp('This can be approximated to 15 bits per sample')
+ 
+disp('Assuming excess sampling factor using D-type channel, we choose sampling rate as 48KHz')  
+ 
+disp('Therefore required bit rate is')
+ 
+15*48000 
+ 
+//Result
+
+//720kbps
+ 
+\ No newline at end of file