Humans can hear sounds with frequencies in the range of 20 Hz- 20 kHz. You need to perform the sampling twice as fast as the frequency of the signal you want to reproduce. ![]() In order to obtain PCM signal from an analogue signal, the signal needs to be sampled at uniform intervals. ![]() All types of analog data can be digitized be it music, video, voice, etc. In technical terms, Pulse Code Modulation (PCM) is a transmission technique that converts the analog signal into digital form and vice-versa. Introduction to Pulse Code Modulation (PCM) Definitive Technology ProCinema 6D Home Theater System:
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