pulsikoodmodulatsiooni
Pulsikoodmodulatsiooni, often abbreviated as PCM, is a method used to represent analog signals digitally. It is a fundamental technique in digital signal processing and is widely employed in telecommunications, audio recording, and various other digital systems. The process involves three main steps: sampling, quantization, and encoding.
Sampling is the first step, where the analog signal is measured at discrete, regular intervals. The rate
The second step is quantization. Each sample, which is a continuous value, is approximated to the nearest
Finally, encoding translates the quantized samples into a binary code. Each quantized level is assigned a unique