Many transmission link like telecommunication nowadays using
digital transmission because of its accuracy. For this project we're going to
using PCM modulation technique to do the transmission. PCM modulation is mostly
used in telecommunication to transmit voice signal. So PCM modulation will
include sampling and quantization as shown in the Figure. PCM is a technique of converting analog signal to digital which can be
transmitted over a medium like fiber or Ethernet. Then this signal will be
converted back to analog signal. There are three steps involves in pulse code
modulation such as sampling, quantization and coding. Sampling process is where
the signal is sampled regularly at uniform intervals and the result of the
values is called samples. Quantization is the process of converting the samples
into discrete digital values.
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