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Companding

By Sweetwater on May 16, 1997

A type of noise reduction used in audio equipment, a compander circuit is a combination of a COMPressor and an exPANDer. The signal is compressed before recording it to tape (which maximizes the signal to noise ratio), then expanded as the tape is played back. As the signal is expanded, tape noise tends to be “pushed down,” resulting in a quieter signal.

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Companding

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Companding

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