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Mashup Master

Mastering without the guesswork.

Version 1.0 AUVST3 Updated Aug 17, 2026
macOS 13+ · AU + VST3Available today for Apple Silicon and Intel Macs. Windows + AAX coming soon.
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Start using Mashup Master in minutes.

Build a clean master

  1. Insert Mashup Master last on the stereo master or export bus.
  2. Start playback at the loudest section and set Input without clipping the input meters.
  3. Choose the target that matches the destination.
  4. Leave Auto Release on for the first pass and compare Low Latency with Mastering quality.
  5. Watch gain reduction, loudness, and the stereo master-output meters while listening for movement and punch.
  6. Level-match Bypass before deciding whether the master is better.
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