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Verbal Reasoning
Computer Science
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A certain 8 bit uniform quantization PCM system can accommodate a signal ranging from - 1 V to + V. The rms value of the signal is V . The signal to quantization noise ratio is:
30 dB
46.91 dB
40 dB
49.92 dB
Show Answer
Correct Answer:
49.92 dB
Explanation:
(SNR)
dB
= 1.76 + 6.02
n
n
= 8
Thus (SNR)
dB
= 1.76 + 6.02 x 8 = 49.92 dB.
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