Companding is formed from the words compressing and expanding. It is a PCM compression technique where analog signal values are rounded on a non-linear scale. The data is compressed before sent and then expanded at the receiving end using the same non-linear scale. Companding reduces the noise and crosstalk levels at the receiver.
Companding
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Vangie Beal
Vangie Beal is a freelance business and technology writer covering Internet technologies and online business since the late '90s.
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