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[dohl-bee, dawl-] /ˈdoʊl bi, ˈdɔl-/
a brand of system for reducing high-frequency noise in audiotape using various electronic devices during recording and playback. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for Dolby


trademark any of various specialized electronic circuits, esp those used for noise reduction in tape recorders by functioning as companders on high-frequency signals
Word Origin
named after R. Dolby (born 1933), its US inventor
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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Word Origin and History for Dolby

sound reproduction system, 1966, named for its inventor, U.S. engineer Ray M. Dolby (b.1933).

Online Etymology Dictionary, © 2010 Douglas Harper
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