EBU Tech 3342

Loudness range: A measure to supplement EBU R 128 loudness normalisation

The ‘Loudness Range’ (LRA) measure and the algorithm for its computation is introduced and explained in detail. Loudness Range is supplementary to the main audio Programme Loudness described in EBU R 128. This is version 3.0.

Open file (pdf, 0.5 MB)

A change log and the previous version of this specification are available here.

More on loudness.

Translations

The following translations of this document are available. Please note the translations may not be based on the latest version; see the year mentioned in brackets. These translations are courtesy of the translaters and hosted by the EBU 'as is'. The official and definitive version is the EBU English version.

Polish version of EBU Tech 3342 [2010] - Kindly offered by Polish Radio.

Russian version of EBU Tech 3342 [2016] - Special thanks to EBU Member RTR.

Russian version of EBU Tech 3342 [2011] - Special thanks to EBU Member RTR.

Spanish version of EBU Tech 3342 [2011] - Thanks to Mr Nacho Legorburo (SETSI).