Delta modulation (DM) is a modulation scheme used to convert analog signals into digital form. It is a simple form of differential pulse-code modulation (DPCM), where only the difference between the current sample and the previous sample is encoded, rather than transmitting the actual signal values. ### Key Features of Delta Modulation: 1. **Differential Encoding**: Delta modulation encodes the difference between successive samples rather than the absolute value of the samples themselves.
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