Question: A speech signal has a total duration of 20 sec. It is sampled at the rate of 8 kHz and then PCM encoded. The signal-to-quantization noise ratio is required to be 40 dB. The minimum storage capacity needed to accommodate this signal is
Options
A : 1.12 KBytes
B : 140 KBytes
C : 168 KBytes
D : None of the mentioned
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