This article describes one of the most fundamental changes in the history of audio in broadcasting: the change of the levelling paradigm from peak normalisation to loudness normalisation. This change is vital to address a major source of irritation for television and radio audiences
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Loudness normalisation and permitted maximum level of audio signals 27 Aug 2010
ECA-PLOUD Group The EBU is of the opinion that an audio-levelling paradigm is needed based on loudness measurement. This publication recommends the use of an average programme loudness of -23 LUFS and the 'Loudness Range' and 'Maximum True Peak Level' descriptors.