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2. Compact disk (CD) players use 16-bit PCM, including one parity bit with 8 times oversampling of the analog signal. The analog signal bandwidth

2. Compact disk (CD) players use 16-bit PCM, including one parity bit with 8 times oversampling of the analog signal. The analog signal bandwidth is 20 kHz. a) What is the null bandwidth of this PCM signal? S b) Using Eq. (N)B= 6.02n + a, find the peak (SNR) in decibels, with value for a=4.77 for peak SNR and a=0 for average SNR.

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