![]() First, a decibel simply quantifies the amount of air pressure displaced by a sound. Loudness Units differ from decibels in a number of ways. Amplifying audio by 2dB is the same as raising its volume by 2 Loudness Units. In practical applications, LUs are equal to decibels. LUFS is a newer standard for measuring loudness and is considered as the most accurate. Despite the difference in names, these two are exactly alike as they describe the same phenomenon of measuring loudness. This standard is also referred to some as LUFS (Loudness K-weighted Full Scale). The LUFS meter ( Loudness Unit Full Scale) measures the perceived loudness of audio material. What does LUFS even stand for and what does it measure? ![]() The decibel scale quantifies the different levels of sound in a more meaningful, manageable, and measurable way. As it grows in volume, sound displaces more and more air pressure and that is what people characterize as loudness. However, a decibel is not an absolute level or unit of sound it represents the amount of air pressure that the sound creates. At a frequency of 1 KHz, the smallest sound that human ears can detect has an objective volume of 0 dB. What exactly is a decibel?Ī decibel (abbreviated dB) is the unit of measurement for the intensity of sound. The TL DR for those looking to know if they should use LUFS or decibels to measure loudness is… Use LUFS over decibels when adjusting audio loudness and for podcasts set your loudness to -16 LUFS. Find out if LUFs or decibels be used for sound measurement of loudness in your podcast and learn the difference between the two forms of measurement Short version for podcast producers, editors, and/or mixers
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