SonichecksQC
LUFS Measurement

Deterministic LUFS Loudness Checker (ITU-R BS.1770-4)

Know your exact Integrated LUFS, Short-term max, and Loudness Range (LRA) across single tracks and album batches.

Integrated Loudness

Gated program loudness calculated across the entire duration using K-weighting filtering.

Loudness Range (LRA)

Statistical distribution of dynamics between quiet verses and loud climaxes in LU units.

Target Normalization

Never worry about your music getting squashed or turned down by streaming algorithms.

Platform Quality Specifications Reference

Platform / StandardTarget LoudnessTrue Peak CeilingTechnical Notes
Tidal-14 LUFS-1.0 dBTPApplies volume normalization based on BS.1770-4 standard.
Amazon Music-14 LUFS-1.0 dBTPNormalizes both albums and single tracks.
Podcasts (PRX / Spotify)-16 to -19 LUFS-1.0 dBTPIndustry dialogue standard for podcasts and broadcast journalism.

Ready to inspect your masters?

Drop your WAV, AIFF, FLAC, or MP3 files into the Sonichecks workspace and get an instant PASS/FAIL report.

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