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compander

or compandor

[kuh m-pan-der] /kəmˈpæn dər/
noun, Electronics.
1.
(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
1965-1970
First recorded in 1965-70; com(press) + (ex)pand + -er1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for compander

compander

/kəmˈpændə/
noun
1.
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
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
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