The document describes how to change audio levelling from peak normalisation to loudness normalisation in accordance with EBU R 128. Version 4.0 is an extensive update.
The latest version (21 November 2023) has been tidied up editorially, here and there, from that published in early November 2023. Other than this, the content is identical. The version 4 major re-write has occurred in §9, concerning genre and platform specific issues. The figures have been changed to vector format for better clarity.
Keywords: Audio, Loudness, normalisation, production, implementation.
The previous version and change log 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 3343 [2010] - Kindly offered by Polish Radio.
Russian version of EBU Tech 3343 [2016] - Special thanks to EBU Member RTR.
Russian version of EBU Tech 3343 [2011] - Special thanks to EBU Member RTR.
Spanish version of EBU Tech 3343 [2011] - Thanks to Mr Nacho Legorburo (SETSI).
