Digital to Digital Encoding / Conversion
When the binary 0's and 1's generated by the computer are translated into a sequence of voltage pulses that can be propagated over a wire, then this process is known as digital-to-digital encoding.
Categories of Digital-to-digital Encoding
- Unipolar
- Polar
- Bipolar
Analog to Digital Encoding / Conversion
When an analog signal is digitalized, this is called an analog-to-digital conversion. In analog-to-digital conversion, the information contained in a continuous wave form is converted in digital pulses.
Techniques for analog to digital conversion
- PAM (Pulse Amplitude Modulation)
- PCM (Pulse Code Modulation)
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