If the number bits per sample in a PCM system is increased from; and n – McqOptions

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1.	If the number bits per sample in a PCM system is increased from; and n to (n + 1), the improvement is signal to quantization noise ratio will be
A.	3 dB
B.	6 dB
C.	2n dB
D.	n dB
Answer» C. 2n dB

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