Testing. Made famous by the phrase "Testing, testing 1, 2, 3.", testing is the process of generating sound in front of a microphone or audio capture device before a performance to ensure proper volume levels.

Testing. Made famous by the phrase "Testing, testing 1, 2, 3.", testing is the process of generating sound in front of a microphone or audio capture device before a performance to ensure proper volume levels. pic.twitter.com/7IErSz1tJH

— The Best Music Coach Music Word of the Week (@BestMusicWord) February 15, 2021

source https://twitter.com/BestMusicWord/status/1361184726061625344