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difference tone[′dif·rəns ‚tōn]
A combination tone whose frequency equals the difference of the frequencies of the pure tones producing it.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
a combination tone of frequency ω1 - ω2 that arises in a nonlinear acoustic system when two sound waves of frequencies ω1 and ω2, respectively, act on the system.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.