NGN - PULSE CODE MODULATION http://www.tutorialspoint.com/ngn/ngn_pulse_code_modulation.htm Copyright © tutorialspoint.com The advent of high-speed voice and data communications has brought about the need for a fast medium for transporting this information. Digital circuits or links have evolved...
Of them all, the digital modulation technique used is Pulse Code Modulation (PCM).A signal is pulse code modulated to convert its analog information into a binary sequence, i.e., 1s and 0s. The output of a PCM will resemble a binary sequence. The following figure shows an example of ...