NIELIT 2017 OCT Scientific Assistant A (CS) - Section D: 7

Question

If the number of bits per sample in a PCM system is increased from a $n$ to $n+1,$ the improvement in signal to quantization nose ratio will be

• A. $3\;dB$
• B. $6\;dB$
• C. $2n\;dB$
• D. $n\;dB$