Meters have been introduced that aim to measure the human perceived loudness by taking account of the equal-loudness contours and other factors, such as audio spectrum, duration, compression and intensity. One such device was developed by CBS Laboratories in the 1980s.
Meters designed to assess perceived loudness by considering factors such as equal-loudness contours, audio spectrum, duration, compression, and intensity have been introduced. One such device was created by CBS Laboratories in the 1980s.