PCM
PCM (Pulse-Code Modulation) is a digital representation of analog signals, widely used in audio and telecommunications. It involves sampling an analog signal at regular intervals and quantizing each sample to a digital value, enabling storage, transmission, and processing in digital systems. This method forms the basis for formats like CD audio, WAV files, and digital telephony.
Developers should learn PCM when working with audio processing, digital signal processing (DSP), or telecommunications, as it is fundamental to converting analog signals to digital data. It is essential for applications such as audio recording, VoIP systems, and multimedia software, where precise digital representation of sound is required for quality and compatibility.