compandingn.
/kəmˈpandɪŋ/, U.S. /kəmˈpændɪŋ/ Telecommunications and Electronics.
The use or action of a compander; compression of the dynamic range of a signal followed by its expansion. Frequently attributive.
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society > communication > record > recording or reproducing sound or visual material > sound recording and reproduction > [noun] > subjecting signal to action of compander
companding1943
society > communication > telecommunication > [noun] > signal > noise or interference > signal-to-noise ratio > device for improving > subjecting signal to
companding1943
1943 U.S. Patent 2,328,951 2/2 Since the increase in echo loss is due to the insertion of loss in the compressor in the echo path, the reduction in echo due to the compandors cannot be greater than half the companding range.
1951 Bell Syst. Techn. Jrnl. 30 719 The general principles used in determining the noise advantage of instantaneous companding.
1989 Sound Choice Autumn 25/3 High frequencies are boosted within the tape recorder as part of the pre-emphasis/de-emphasis network designed to reduce noise without the use of companding techniques.
2012 Broadcast Engin. (Nexis) 14 Feb. Over the years, companding technology has advanced to the point where the top wireless systems are difficult to tell from a wired microphone.
This entry has been updated (OED Third Edition, September 2014; most recently modified version published online March 2022).
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n.1943