Companding is used to
A. Increase the information transmission rate
B. Use only one carrier frequency to handle different signals
C. To use different frequency bands for different signals
D. To protect all small signals in PCM from quantizing noise
Answer:A
Companding is used to
A. Increase the information transmission rate B. Use only one carrier frequency to handle different signals C. To use different frequency bands for different signals D. To protect all small signals in PCM from quantizing noise
Explanation: Companding is used to protect all small signals in PCM from quantizing noise.