MeterPlugs Loudness Penalty
Universal version latest seen at v1.10 · Reported by 1 Mac in the community.
Sighting data is community-sourced — version availability and pricing should be verified with the developer.
MeterPlugs Loudness Penalty is an AAX audio analysis plugin for Pro Tools that measures perceived loudness using the ITU-R BS.1770 standard and related loudness metrics (LUFS, LKFS, LU). It is designed for mastering engineers, broadcast professionals, streaming service compliance checking, and music producers who need to verify that mixes meet industry loudness targets (e.g., Spotify's -14 LUFS, Netflix's -27 LKFS, broadcast limits). The plugin displays loudness curves, short-term and momentary peaks, and loudness range in real time during playback or bouncing. A native Apple Silicon build has been confirmed running on Macs in the Rosetta Check community.
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1 suggestionMeterPlugs Loudness Penalty has a native Apple Silicon build available. To update from the Intel AAX version, visit the Meterplugs website to download and run the latest installer, which will replace or update your existing plugin installation. After installing, Pro Tools will automatically recognize and load the native AAX version on the next launch — no manual plugin rescanning is usually required, although you can force a rescan in Pro Tools under Setup → Plug-in Manager if needed. If Pro Tools itself is still running an older Intel build, ensure it is updated to version 2023.6 or later (the first version with native Apple Silicon support); Pro Tools natively updated will then load native AAX plugins correctly. The native build will deliver better CPU efficiency and responsiveness in your mixing sessions.
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