Before we are able to fully understand the concept of Analog to Digital conversion, we first should know more about the different kinds of signals that we have today.
When we are transmitting information over a media or network, the very information that we are trying to send is converted into a form of signal. Signals can be distinguished into two main categories and they are analog and digital.
Analog signals are the signals that old phone lines use. The common information that is being transmitted using an analog signal is voices, TV signals, and radio signals. The concepts of analog signals can be considered as merely approximation or estimation of information since there is no definite level when it comes to analog signals. (more…)
