Loudness metering — umbrella for @audio/loudness-* atoms (BS.1770-4 LUFS, true peak, LRA, ReplayGain, DR, speech contrast, sound labeling)

Integrated loudness (LUFS) — ITU-R BS.1770-4 K-weighted gated measurement, EBU Tech 3341-verified

Frequency weighting filters — umbrella for @audio/weighting-* atoms (A, B, C, D, K/BS.1770, ITU-R 468, RIAA)

A lightweight and efficient AudioWorklet for real-time loudness measurement in the browser, compliant with the ITU-R BS.1770-5 standard.

BS.1770-4 loudness metering and audio analysis: LUFS, LRA, true peak, spectral balance, stereo width. Zero runtime dependencies.

ITU-R BS.1770-4 / EBU R128 loudness meter in pure TypeScript. Integrated LUFS, loudness range, momentary & short-term, true peak. Zero dependencies, streaming or one-shot, browser + Node + CLI.

Bit-exact BS.1770-4 Integrated LUFS, LRA, and True Peak measurement for the browser, Web Workers, and Node. Zero dependencies. Pure ES module. Pulled from luvlang.studio's production mastering chain.