Technical loudness specifications

EBU and ATSC standards

LevelNorm-EBU uses the official EBU R128 settings:

LevelNorm-ATSC uses the 2009 version of the ATSC A/85 recommendation:

Surround channel order

The LUFS measurement has a different weighting for the surround speakers. Therefore LevelNorm must know the channel order of multichannel files in your facility. There are three options: