Howtosignalprocessing
Why quantization is needed in digital signal processing?
The conversion of a waveform into a set of digital signals starts with quantization of the wave to produce a set of numbers. The greater the number of quantization levels, the more precise the digital representation, but excessive quantization is wasteful in terms of the time required.
How do you quantize a digital signal?
The simplest way to quantize a signal is to choose the digital amplitude value closest to the original analog amplitude.
