engineering recuitment GATE ECE 2023-24 Test Series Communication Systems Pulse Modulation Differential Pulse Code Modulation (DPCM)
Which of the following statement is/are correct ?
1
DPCM requires less Bandwidth than PCM for transmitting the same signal.
2
DPCM is used to decrease quantization noise.
3
The number of quantized levels is increased in DPCM.
4
In DPCM the difference between successive sample is quantized.