engineering recuitment NIELIT Scientific Assistant Mock Test 2025 Communication Systems Pulse Modulation Differential Pulse Code Modulation (DPCM)
DPCM is a technique
1
To convert an analog signal into a digital signal.
2
Where the difference between successive samples of the analog signals are encoded into n-bit data streams
3
Where digital codes are the quantized values of the predicted value
4
all of the above