What does "microphonics" mean?

The phenomenon where certain components in electronic devices transform mechanical vibrations into an unwanted electrical signal.

Microphonics

noun

noun ·Rare ·Advanced level

Noun

1
The phenomenon where certain components in electronic devices transform mechanical vibrations into an unwanted electrical signal. uncountable
2
The science of amplifying sound, or of microphones generally. dated, uncountable

From microphone + -ics or micro- + phonics.