microphonyn.
/mʌɪˈkrɒfəni/, U.S. /ˌmaɪˈkrɑfəni/ Electronics.
The production of microphonics in electrical equipment.
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the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > signal > [noun] > unwanted part of signal > types of > generation of microphonics
microphony1934
microphonism1947
1934 F. J. Camm Everyman's Wireless Bk. v. 91 (table) Microphony: This may result in ringing, booming, or other sounds.
1946 Electronic Engin. 18 336/2 The ruggedness which is required to give long service will normally ensure freedom from microphony.
1951 Electronic Engin. 23 431/2 The design of a valve with low microphony is a long and tedious process.
1963 Mullard Technical Communic. 7 227/1 Microphony is occasionally experienced in a tape recorder when high gain a.f. valves are used in the first stages.
1975 G. J. King Audio Handbk. ix. 206 A long cable at high impedance can give rise to hum and microphony problems.
1992 RS Components: Electronic & Electr. Products July 81/2 Trimmer construction is such that good stability is ensured and no microphony can occur.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
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n.1934