compander

or com·pan·dor

[kuh m-pan-der]

noun Electronics.

(in a communications path) a combination of a compressor at one point and an expander at another, the compressor reducing the volume of a signal and the expander restoring it.

Origin of compander

First recorded in 1965–70; com(press) + (ex)pand + -er¹

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British Dictionary definitions for compander

compander

noun

a system for improving the signal-to-noise ratio of a signal at a transmitter or recorder by first compressing the volume range of the signal and then restoring it to its original amplitude level at the receiving or reproducing apparatus

Word Origin for compander

C20: from com (pressor) + (ex) pander

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012