lufs

Free, open-source metering plugin for mixing and mastering: LUFS loudness (EBU R 128), true peak, spectrum, spectrogram and goniometer in one window. VST3 / AU / CLAP.

The world's fastest Python package for calculating integrated loudness (LUFS) from audio data as NumPy arrays

Audio Wizard (foo_audio_wizard) is a fiery chapter of The Wizardium, granting foobar2000 audiophiles and engineers tools for full-track analysis and real-time monitoring. Harness Pure Dynamics for psychoacoustic clarity.

BS.1770-4 / EBU R128 loudness with real gating, inter-sample true peak, AES17 RMS, crest factor and correlation. Header-only C++17, optional JUCE module. MIT.

Free VST2 loudness plugin for OBS. Holds each audio source on a LUFS target in real time, without compressing. A working reference integration of the LevelAPI2 library.

VST3 plugin calculating various statistics on processed sound, including LUFS!

A minimal VST3 plugin that measures integrated loudness according to ITU-R BS.1770-4 / EBU R 128.