Companding, means compression and expansion of a signal or sample. It forms part of the PCM (Pulse Code Modulation) process, whereby analogue signal values are logically rounded on a nonlinear scale. The decimal step number is then coded to its binary equivalent prior to transmission. The process is reversed at the receiving terminal using the same nonlinear scale.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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