Four voice signals, each limited to 4 kHz and sampled by Nyquist rate are converted into binary PCM 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 by Nyquist rate

1.	Four voice signals, each limited to 4 kHz and sampled by Nyquist rate are converted into binary PCM using 256 quantization levels. The bit transmission rate for the time division multiplexed signal will be
A.	8 kbps
B.	6 kbps
C.	256 kbps
D.	512 kbps
Answer» D. 512 kbps