Four voice signals. each limited to 4 kHz and sampled at Nyquist rate are converted into binary PCM signal using 256 quantization levels. The bit transmission rate for the time-division multiplexed signal will be

Four voice signals. each limited to 4 kHz and sampled at Nyquist rate

1.	Four voice signals. each limited to 4 kHz and sampled at Nyquist rate are converted into binary PCM signal using 256 quantization levels. The bit transmission rate for the time-division multiplexed signal will be
A.	8 kbps
B.	64 kbps
C.	256 kbps
D.	512 kbps
Answer» D. 512 kbps

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