WHITE PAPER: What Is Loudness?

Loudness is a perceptual quantity that can be understood as the degree of the physiological effect produced when a sound stimulates the ear, and it is dependent on factors including bandwidth, frequency, and duration. Today, advertisers have taken advantage of digital audio’s extended dynamic range to push commercials into the headroom portion of the audio, thereby increasing the perceived loudness of those commercials in order to grab viewers’ attention. Government and regulatory bodies across the world have taken up the issue of loudness and legislation has been passed requiring broadcasters to monitor loudness and maintain a log for public inspection.

Download Whitepaper