Sunofix Lab
Test cleanup decisions with evidence you can hear
First-party methods for level-matched A/B listening, representative test segments, spectrogram checks, device comparisons, and regression review—without exposing private implementation.
Listening map
Problems this hub covers
- Loudness bias during before-and-after comparison
- Choosing short test segments that reveal the real defect
- Using spectrograms without mistaking patterns for diagnosis
- Checking updates across headphones, speakers, and source types
Curated path
Start with this reading order
Move from diagnosis to action in sequence. Each guide answers a different decision instead of repeating the same cleanup advice.
- Step 01Create a visual referenceGenerate a private browser-only spectrogram and pair it with careful listening.
- Step 02Use a repeatable diagnosisFollow the same source checks and A/B sequence before and after cleanup.
- Step 03Test a specific defect classUse metallic shimmer as a focused example of audible evidence and treatment limits.
Category library
Latest sunofix lab articles
The first dedicated articles are in production.
Use the curated path above now. New articles will appear here automatically when they are published in this category.
Change the question
Browse the full cleanup map
Work on the source
Use the guide to decide. Use your own track to confirm.
Start with the best export available, compare at the same listening level, and keep the cleanup only when it serves the song.
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