Riverflux Audio · Remix contest / DJ edit pack phase-check
Phase-checking remix contest stems and DJ edit packs before upload
Remix contests and DJ edit packs often ship stereo stems that looked huge in headphones, then lose bass on mono club systems. Disappearing lows are usually leftover L/R phase after layering, widening, or stacking provided stems. PHIXER is free continuous stereo phase repair (VST3 / CLAP / AU). It is not a time-aligner.
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Hard clarify: Fix polarity and sample-align layered stems first. Use continuous phase rotation only when a stereo stem or DJ edit still hollows in mono after that hygiene. Do not flatten creative Haas width that is the identity of the edit.
Why remix stems and DJ edits fail on club mono
- Contest packs are already wide. Organizers often ship stereo bass, FX, and vocal stacks. Your edit can add more width and cancel harder when the club sums L+R.
- Headphones lie. A DJ edit that thumps on monitors can lose sub on a mono PA or Bluetooth bar.
- Judges and dancers hear fold. Contests, radio edits, and club sets all hit mono-ish playback. Mono-safe stems protect the drop more than another 2 dB of width.
QC habit before upload
Remix / DJ edit mono fold checklist
- True L+R or Utility Width 0% on each stereo stem and on the full DJ edit (plus a phone speaker pass).
- Note what disappears (kick body, sub, bass bed, vocal double low-mids, FX tails).
- If layered provided stems are still late or flipped, fix polarity and timing first.
- Only then nudge PHIXER on residual spectral L/R fights. A/B with the plugin bypassed.
- Re-check after any mix bus glue or limiter. Upload only when mono still has body.
Remix packs vs sample packs vs stem delivery vs paid phase suites
- Remix contest / DJ edit packs (this page): contest stems and edit uploads before dropbox, WeTransfer, or label portal.
- Sample pack QC: saleable one-shots and loops before store upload (sample pack QC / phase check).
- Stem delivery: client stems and remix packs before ship (check stereo stems for phase before delivery).
- vs InPhase-class tools: paid delay/alignment suites vs free continuous rotation (PHIXER vs Waves InPhase). Different jobs.
When not to "repair" a remix stem
| Situation | Right move | PHIXER? |
|---|---|---|
| Provided stems still late on the grid | Sample-align / time-align upstream | No |
| True mono stem | Polarity only if needed | No |
| Creative Haas / width that is the edit sound | Keep stereo art; offer a mono-safe alt if the brief asks | Usually no |
| Stereo stem/edit still cancels after hygiene | Continuous L/R phase by band | Yes |