Loudness analyzer

Integrated, momentary, and short-term LUFS plus sample peak — a BS.1770-style read of your audio.

Approximate BS.1770-style measurement in this browser — not a certified meter. Nothing is uploaded.

How to use

  1. Choose an audio file.
  2. Wait for the K-weighted scan.
  3. Read LUFS, LRA, and peak values.

What it supports

Approximate BS.1770-style measurement: K-weighted, 400 ms blocks, −70 LUFS absolute and −10 LU relative gates; 1–8 channels, audio up to 200 MB. Within ~0.3 LU of a reference meter on typical material — not a certified measurement.

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