loudness CORRECT · Normalizer

EBU R128 LUFS True Peak Pro

$17.99 · Designed for iPad. Not verified for macOS.

iPad

Offline loudness correction for EBU R128, ATSC, Netflix, Spotify and 12 more specs. Two-pass pipeline with auto-verify under 0.1 LU. loudness CORRECT is an offline loudness corrector for professional audio workflows, conforming to EBU R128 and ITU-R BS.1770-4. Drop a file, pick a preset, correct. The two-pass pipeline measures the source, plans the correction, writes a new file and re-verifies the output. Features: • 16 delivery presets (EBU R128, EBU R128 S1, ATSC A/85, ARIB TR-B32, AGCOM 219/09, FreeTV OP-59, DPP UK, Portaria 354, Netflix, Apple Podcasts, Spotify, Amazon Music, YouTube, Leq(m) Cinema, Leq(a) Cinema, Custom) • K-weighted ITU-R BS.1770-4 loudness measurement • 4× oversampled true-peak limiter (ISP, 5 ms look-ahead) • 3-band LRA reshape (Linkwitz-Riley bands, continuous gain function toward programme level — compresses loud and expands quiet passages, no threshold and no pumping) • Auto verify + refine (residual error under 0.1 LU) • Multi-channel from mono and stereo through 5.1 and 7.1 up to 9.1.6 Atmos bed layouts (BS.1770-correct per layout with LFE-exclude and surround weighting) • Input: WAV / AIFF / FLAC / OGG / MP3 / M4A • Output: WAV / AIFF / FLAC • Dark UI, German and English localisation For mastering engineers, broadcast editors, podcast producers, sound designers and everyone who has to hit delivery loudness specs quickly and cleanly.

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Refreshed App Store presentation.

Version 1.0.1

The developer, Sascha Hoemske, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

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    Information

    Seller
    • Sascha Hoemske
    Size
    • 5.9 MB
    Category
    • Utilities
    Compatibility
    Requires iPadOS 16.0 or later.
    • iPad
      Requires iPadOS 16.0 or later.
    • Mac
      Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
    Age Rating
    4+
    Copyright
    • © 2026 SATK – Sascha Hömske
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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