Audio Glossary
Loudness · aka volume normalization, loudness matching
WHAT IS
LOUDNESS NORMALIZATION?
Loudness normalization is how streaming platforms play every track at a consistent perceived volume: they measure a track's loudness in LUFS and turn louder masters down (and sometimes quieter ones up) toward a target, about -14 LUFS on Spotify and YouTube. It ended the loudness war by making raw loudness pointless.
How it actually works
Every platform measures your track's integrated LUFS and applies clean gain to move playback toward its target: Spotify, YouTube, TIDAL, and Amazon sit near -14 LUFS, Apple Music near -16 LUFS. Turning down is transparent, exactly like lowering a fader. Nothing about your master's sound changes except its playback level.
The strategic consequence: a track crushed to -6 LUFS gets turned down ~8 dB and keeps all the damage that crushing did, while a well-built -9 LUFS master plays at the same perceived level with its transients intact. After normalization, dynamics win, not raw level.
Why you should NOT master to -14 LUFS
The most common misreading of normalization is "Spotify targets -14, so master to -14." But normalization is off in DJ software, in clubs, on downloads, and for every listener who disabled it; there your -14 master stands next to commercial records mastered at -8 and sounds polite. Master to your genre's competitive range and let the platforms turn it down: that is what they are built to do.
On my own releases I master club records around -8 to -7 LUFS integrated with a -1.0 dBTP ceiling. Normalized playback matches everyone else; un-normalized playback competes. That is the whole strategy.
Quick answers
LOUDNESS NORMALIZATION FAQ.
Does loudness normalization change my master's sound?
No. It applies clean playback gain, like a volume knob. The only sound damage in the loudness game is what you do to the master yourself while chasing level.
Do all platforms normalize?
Most streaming platforms do by default, but downloads, DJ playback, clubs, and some contexts do not, and listeners can turn it off. That is exactly why you master to genre-competitive loudness instead of to the normalization target.
Is normalization per track or per album?
Both modes exist: track mode normalizes each song independently, album mode preserves the level relationships across a record. Another reason to master an EP or album as one body of work, not six separate files.
Related terms
Get it done for you
Stereo Mastering
Pro masters from your final mixdown. 4–5 day turnaround. Unlimited revisions.
See the service →