Original price was: $499.00.$49.99Current price is: $49.99.
Real-time feedback detection tuned for live situations Up to 8 precise notch filters for targeted suppression Adjustable Threshold, Notch Depth, Speed, and Release Auto, Manual, and Adaptive workflows Output limiting for safer final levels
DF-1 is a real-time feedback suppression processor built around a detection stage + notch filter bank + safety output stage. The signal path is: Input (stereo) -> mono analysis tap -> feedback detector -> notch filter bank -> output limiter -> Output (stereo)
DF-1 analyzes incoming audio using a lightweight Goertzel-bin approach at selected candidate frequencies. For each analysis window, it compares narrowband bin energy against broadband window energy. A bin is considered a feedback candidate when its relative energy exceeds the user threshold and shows sustained rise across consecutive frames (to reject short transients).
When a feedback frequency is confirmed, DF-1 activates the nearest available notch slot. Each slot is a narrow biquad notch / EQ dip, allowing targeted attenuation with minimal collateral tonal loss. Up to 8 notch slots can be used in parallel, with user-adjustable notch depth.
Auto: detector engages notches automatically. Manual: user controls notch activation/frequencies directly. Adaptive: notches can track slow frequency drift to follow moving feedback peaks. Dynamics and safety Timing controls (Speed, Release) shape how quickly suppression engages and relaxes. A final output limiter helps keep peaks controlled after corrective filtering.
A Professional Feedback Suppression Plugin for Live Sound
You don’t get second chances in live sound. One squeal can break the moment, shake confidence, and force you to pull back the mix. De-Feed DF-1 is built for that exact moment. DF-1 is a professional feedback suppressor plugin that listens in real time, finds ringing frequencies fast, and clamps them with surgical precision — so your mix stays loud, clear, and in control. Run it on VST3, AU, or Standalone. Put it on vocals, monitors, instruments, or full live buses. Wherever feedback tries to take over, DF-1 pushes back.
Engineered for Live Pressure Live rooms are unpredictable. Stages move. Mics drift. Gain changes.
DF-1 is designed to react like an engineer who never blinks:
Detect feedback candidates in real time Engage focused notch filters at problem frequencies Hold tone and musicality instead of carving the whole signal apart Keep output stable and safe with built-in limiting behavior This is not broad-stroke EQ damage control. This is targeted suppression that protects your sound.
DF-1 gives you immediate, practical controls that matter under pressure:
Threshold to set detection sensitivity Notch Depth to decide how aggressively to suppress Speed to determine how quickly correction engages Release to shape how smoothly it backs off Mode selection for your workflow:
Auto, Manual, Adaptive You can set it and trust it, or dive in and drive every notch yourself.
Three Modes. One Mission: Stay in Control. Auto Mode DF-1 listens, detects, and engages notches automatically. Ideal when you need fast protection with minimal intervention.
Manual Mode You choose the filters and frequencies. Perfect for engineers who want full hands-on control and repeatable scenes.
Adaptive Mode DF-1 follows slowly drifting feedback tones by moving suppression where it’s needed. Built for real-world stages where “fixed frequency” is a myth.
Precision DSP, Not Guesswork Under the hood, DF-1 uses lightweight frequency detection and a bank of narrow notch filters to identify and suppress unstable resonances with minimal collateral tone loss. The architecture is optimized for practical, low-overhead operation in real session environments. In plain terms: it hears the problem, finds the frequency, and removes just enough of it to keep your mix alive.
For Engineers Who Want More Gain — Not More Risk DF-1 is for: FOH engineers pushing vocal clarity without fear Monitor engineers fighting stage spill and hot mics Musicians and creators running live rigs, rehearsals, and streams Anyone who wants cleaner shows and fewer panic moments If your work happens in real time, DF-1 is built for your reality.
Make feedback someone else’s Problem you’ve got a room to manage, a mix to protect, and a performance to deliver. Let DF-1 handle the ringing before the audience hears it.
De-Feed DF-1 :
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