What is "microphonics"

microphonics \mi`cro*phon"ics\ (m[imac]`kr[-o]*f[o^]n"[i^]ks), n. [See Microphone.] The science which treats of the means of increasing the intensity of low or weak sounds, or of the microphone.

n. 1 (context electronics English) The phenomenon where certain components in electronic devices transform mechanical vibrations into an unwanted electrical signal. 2 (context dated English) The science of increasing the intensity of low or weak sounds, or of microphones generally.

Microphonics or microphony describes the phenomenon wherein certain components in electronic devices transform mechanical vibrations into an undesired electrical signal ( noise). The term comes from analogy with a microphone, which is intentionally designed to convert vibrations to electrical signals.