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1. In PCM, if the number of quantization levels is increased from 4 to 64, then the bandwidth requirement will approximately be increased __________ times.





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  • By: guest on 01 Jun 2017 11.48 pm
    Bandwidth for PCM system = 2nN fm Hz for N >> 1, n >> 1 where n is no. of channel, N is no. of bit. B1 = 2n N1 fm B2 = 2n N2 fm 2N1 = 4 N1 = log24 N1 = 2 2N2 = 64 N2 = log264 6 .
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