WaxOn / WaxOff
Podcast audio utility for macOS. Signal conditioning for ingest and broadcast normalization for delivery.
WaxOn
Ingest Prep
Use before you edit
Conditions guest recordings and raw captures for ingest. Cleans the signal and outputs a normalized 24-bit WAV ready for your DAW.
- High-pass filter (Off–90 Hz) — DC offset always removed
- Phase rotation — 200 Hz allpass for crest factor reduction
- Dynamic leveling for panel & multi-voice
- Two-pass EBU R128 loudness normalization
- 2× oversampled true peak limiting
WaxOff
Delivery & Mastering
Use after you mix
Takes your finished mix to broadcast-compliant delivery. EBU R128 normalization, true peak control, and MP3 encoding in one step.
- Two-pass EBU R128 — linear gain, no compression
- Configurable true peak ceiling (−3.0 to −0.1 dBTP)
- 24-bit WAV, CBR MP3, or both simultaneously
- Built-in presets: Podcast Standard, Loud, WAV Only
- Custom preset save & recall
Screenshots
WaxOnBatch processing — prep-ready 24-bit WAV
WaxOffDelivery complete — EBU R128 broadcast output
macOS 14+
Sonoma & Sequoia
24-bit WAV
Output Format
Bundled
FFmpeg — no install
Free
GPL v3 open source