Devices and smart home
LUFS
Abbreviation for Loudness Units relative to Full Scale
In short and in plain language
LUFS is a unit for how loud a sound seems to people.
Broadcasters go by such values.
That way, programmes and adverts sound about as loud as each other.
Definition
LUFS is a unit for the perceived loudness of sound. Broadcasters use such values so that programmes and adverts sound similarly loud.