r128

ReplayGain 2.0 loudness normalizer based on the EBU R128/ITU BS.1770 standard (-18 LUFS, FLAC, Ogg, MP2, MP3, MP4, M4A, AAC, ALAC, Opus, ASF, WMA, WAV, AIFF, WavPack, APE)

A Rust library that implements ITU-R BS.1770-4 loudness measurement

TSG Suite | VERO BAAMBI | Broadcast Audio Alignment & Meter Bridge Interface

An EBU R128 loudness meter display for Behringer X32 audio mixing console (and similar USB audio devices)

Streaming, zero-allocation EBU R128 / BS.1770-4 loudness measurement in pure Rust. M, S, I, true peak, LRA — chunk-deterministic, no_std capable, EBU Tech 3341 14/14, no FFI.

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.

Python library for Audio Loudness measurements

A real-time R128-based loudness normalizer for foobar2000. Supports Japanese and English UI.

A complete C# port of libebur128, the EBU R128 loudness meter, for .NET 10. Zero managed allocation, Native AOT, unsafe internals. Verified against the original C built with MSVC: every stage bit-exact across eight configurations, throughput 0.92x to 1.03x. 139 tests.