Lufsy

Loudness Broadcast Norm Analyser

Lufsy measures and verifies integrated program loudness so you can deliver compliant mixes for broadcast and streaming platforms.

Lufsy app screenshot showing loudness analysis
Download for Apple Silicon v0.0.0 - arm64 - dmg - 34.3 MB Download for Intel v0.0.0 - x86_64 - dmg - 37.8 MB

Fast, reliable loudness checks

Lufsy gives quick, reliable loudness reads for media workflows. It batch processes audio / video files and helps post-production, mastering, and broadcast teams identify non-compliant files before delivery.

Supported loudness norms

  • EBU R128
  • ATSC A/85
  • ARIB TR-B32
  • Common streaming targets and peak checks (YouTube, Spotify, Apple Podcasts, and more)
  • All ITU-R BS.1770 compliant