Wewish to transmit a digital voice at 32 Kbps through a communication channel having bandwidth of 3000 Hz. The received signal to noise powerratio is 30 dB. State which of the following statementis true :

A

To transmit data error-free through this channel, channel equalizer circuit should be used at the receiver.

B

To transmit data error-free through this channel, the voice signal should be compressed by 2

C

Totransmit data error-free through this channel, a channel code with coding gain of 3 dB should be used.

D

It is not possible to transmit data error-free through this channel.