Levels, dynamics & loudness · Working
LKFS
ELI5
A unit used to measure programme loudness under certain delivery standards.
Used in conversation
“The broadcaster wants the mix delivered at its stated LKFS target.”
Definition
Loudness, K-weighted, relative to Full Scale, a closely related loudness unit used in some standards.
Here “LKFS” means: Loudness, K-weighted, relative to Full Scale, a closely related loudness unit used in some standards.
Pitch context
You may encounter “LKFS” in sound, music & voice conversations or materials.
Why it matters: Explains dialogue, effects, atmosphere, music, voice and the technical work of making them intelligible.
Connected terms
- LUFSBoth measure loudness relative to full scale and are effectively equivalent under current standards; the labels come from different standards traditions.
Sources & evidence · 4
Supporting source families. This entry is an editorial synthesis rather than a quotation from one canonical glossary.
- European Broadcasting Union — EBU R 128 Loudness Normalisation and Permitted Maximum Level of Audio SignalsSupporting source family · primary · checked 2026-08-14
- Dolby — Dolby Atmos Content CreationSupporting source family · primary · checked 2026-08-14
- World Wide Web Consortium — Making Audio and Video Media AccessibleSupporting source family · primary · checked 2026-08-14
- Netflix — Partner Help Center Delivery SpecificationsSupporting source family · primary · checked 2026-08-14