DSP Control for
FlexRadio, Reimagined
A focused macOS companion app that surfaces all 11 DSP parameters in one dedicated panel, running alongside SmartSDR for Mac in real time.
Join the TestFlight BetaFree during and after beta · macOS only · Invite required
Designed for the Operating Position
Every control is exactly where you need it, sized for quick adjustments mid-QSO.
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Main window with four active slices: DSP controls, equalizer, slice list, and status bar all visible at once
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Hover any DSP control to see a plain-language description of what it does and when to use it
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Automatic radio discovery — FlexDSP Studio finds your radio in seconds, no IP address needed
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Radio Health window
Everything You Need, Nothing You Don’t
FlexDSP Studio focuses on one thing: giving you fast, intuitive control over your radio’s DSP and audio settings.
11 DSP Parameters
Standard, Advanced, and Extended DSP controls in one panel: including NRL, ANFL, ANFT, NRF, NRS, and RNN for SmartSDR+ licensed radios.
Hover Descriptions
Hover any DSP slider or toggle to instantly read a plain-language description of what it does, how to adjust it, and when to use it.
8-Band RX Equalizer
Full graphic equalizer for receive audio with real-time adjustment, one-click flat reset, and per-slice settings.
Multi-Slice Aware
Manage all active slices from one panel. Select any slice to instantly switch all controls: DSP, audio, frequency, and EQ.
Follow TX
Automatically switches to display the active transmit slice when you change TX in SmartSDR, so you’re always adjusting the right slice.
Full Audio Controls
Per-slice volume, pan with center indicator, AGC mode, squelch toggle, binaural audio, and DAX channel assignment.
Scroll Wheel Tuning
Mode-aware step sizes: 10 Hz for CW, 100 Hz for SSB and digital modes, 1 kHz for AM and FM. Direct frequency entry in MHz or kHz.
True Multi-Client
Runs simultaneously alongside SmartSDR, contest loggers, and any other FlexRadio client. All changes sync in real time.
Native macOS
Universal binary that runs natively on Apple Silicon and Intel. Automatic radio discovery. Connects in seconds with no configuration.
Learn as You Operate
Not sure when to use NRL vs NR, or how ANFT differs from ANFL? Hover any control and FlexDSP Studio explains it in plain language, right there, as you work.
All 11 DSP Controls, Explained
Standard controls work on all radios. Advanced and Extended features require SmartSDR+ firmware v4.0.1 or later.
| Control | Full Name | Tier | Availability |
|---|---|---|---|
| NB | Noise Blanker | Standard | All radios |
| NR | Noise Reduction | Standard | All radios |
| ANF | Auto Notch Filter | Standard | All radios |
| WNB | Wideband Noise Blanker | Standard | All radios |
| APF | Audio Peak Filter | Standard | All radios — CW only |
| NRL | Noise Reduction Leaky | Advanced | All radios, SmartSDR+ |
| ANFL | Adaptive Notch Filter — Leaky | Advanced | All radios, SmartSDR+ |
| ANFT | Adaptive Notch Filter — FFT | Advanced | All radios, SmartSDR+ |
| NRF | Noise Reduction Filter | Extended | FLEX-8000 / Aurora only |
| NRS | Noise Reduction Speech | Extended | FLEX-8000 / Aurora only |
| RNN | Recurrent Neural Network | Extended | FLEX-8000 / Aurora only |
Works With Your Setup
FlexDSP Studio connects directly to your radio’s API and coexists with all other FlexRadio software.
Be First to Try FlexDSP Studio
Join the TestFlight beta and help shape the app before its App Store launch.
Request TestFlight Access