Companding is used in PCM transmitters to allow amplitude limiting in the receivers.

Name: Companding is used in PCM transmitters to allow amplitude limiting in the receivers.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Companding is used in PCM (Pulse Code Modulation) systems to compress the dynamic range of the signal before transmission and expand it back at the receiver, improving the signal-to-noise ratio for signals with a wide dynamic range, rather than for amplitude limiting in the receivers.

Companding Is Used in PCM Transmitters to Allow Amplitude Limiting