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Klangfreund LUFS Meter

Loudness Metering & Matching Plug-in
Published June 2018
By Dennis J Wilkins

The Klangfreund LUFS Meter includes a time plot, bar graphs and numeric display of integrated loudness, loudness range, true peak, short-term and momentary loudness measures, as well as a gain fader and target setting window. The Klangfreund LUFS Meter includes a time plot, bar graphs and numeric display of integrated loudness, loudness range, true peak, short-term and momentary loudness measures, as well as a gain fader and target setting window.

Loudness meters are invaluable at the mastering stage — but this one can also generate automated rough mixes in seconds.

As you have hopefully read in Sound On Sound over the past few years, loudness normalisation is rapidly becoming the norm. If you are still compressing the life out of your mixes to push the average levels to within a couple dB of full scale, stop right now, or prepare to retire from the audio business! I won’t bore you with detailed descriptions of ITU-R BS.1770-4 or EBU R128 standards, since you can look these up on the Internet, but the quest to make music audio levels more ‘user friendly’ has created the need for new measurement tools.

Out Loud

With the new loudness standards, dBFS are out and Loudness Units are in. Of course an LU is a dB, but it’s not a simple peak measurement: loudness measurement requires weighting areas of the frequency spectrum differently, and integration over time, whether that be in the long term — the entire duration of the programme — or over just a few seconds. There are a number of plug-ins available to measure all these metrics, including...

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Published June 2018