Inside the engine
Mastering advice, tested against real audio.
I built PolishMyTrack around a simple rule: a processing move needs a measurable reason, and a strange measurement is not automatically a defect. These notes show the files, numbers and failed assumptions behind the product—not generic studio folklore.
Workflow · Nic · verified Aug 2026
How to master a Suno song—or an existing Udio export—before release
What to export, what to measure and why generated audio does not need a special “AI preset.”
Read the guide → Loudness · Twofour2, WriterWhy −14 LUFS is not the right target for every song
Spotify’s playback number is useful, but it is not an artistic mastering law.
See the numbers → Delivery safety · NicTrue peak vs sample peak
How a waveform can cross zero after reconstruction even when no stored sample does.
Understand true peak → Listening method · Twofour2, WriterWhy level-matched A/B matters
The mastered version should not win merely because it is louder.
Compare fairly → Original research · NicThree hit records taught our engine to do less
Eleven purchased masters exposed false positives and removed automatic tonal moves.
Read the case study → Privacy & workflow · Twofour2, WriterExtract audio from video without uploading it
Why local demuxing is faster, more private and more faithful than a converter site.
See how it works →