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EBU R 128 is a recommendation for loudness normalisation and maximum level of audio signals. It is primarily followed during audio mixing of television and radio programmes and adopted by broadcasters to measure and control programme loudness. [ 1 ]
R128 or R 128 may refer to: EBU R 128 recommendation for loudness management; House R 128, a modernist house in Germany by architect Werner Sobek; R128 road ...
The loudness war (or loudness race) is a trend of increasing audio levels in recorded music, which reduces audio fidelity and—according to many critics—listener enjoyment. Increasing loudness was first reported as early as the 1940s, with respect to mastering practices for 7-inch singles . [ 1 ]
In October 2015, the ITU released the fourth revision of this recommendation ITU-R BS.1770-4. [8] In November 2023, the ITU released the fifth revision of this recommendation ITU-R BS.1770-5. [9] Loudness units relative to full scale (LUFS) is a synonym for LKFS that was introduced in EBU R 128. [10]
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State Route 128 (SR-128) is a 44.564-mile-long (71.719 km) state highway in the U.S. state of Utah. The entire length of the highway has been designated the Upper Colorado River Scenic Byway, as part of the Utah Scenic Byways program. This road also forms part of the Dinosaur Diamond Prehistoric Highway, a National Scenic Byway.
Another type of normalization is based on a measure of loudness, wherein the gain is changed to bring the average loudness to a target level. This average may be approximate, such as a simple measurement of average power (e.g. RMS), or more accurate, such as a measure that addresses human perception e.g. that defined by EBU R128 and offered by ReplayGain, Sound Check and GoldWave.
In 2010, the EBU published EBU R 128 which introduces a new way of metering and normalizing audio. The Recommendation uses ITU-R BS.1770 loudness metering. As of 2016 [update] , several European TV stations have announced their support for the new norm [ 16 ] [ 17 ] and over 20 manufacturers have announced products supporting the new EBU Mode ...