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Sound Radix has updated SurferEQ to version 1.2. Auto-Align and Pi AAX 32- & 64-bit updates are also available. The new Auto-Align installer also include a free, 30-day fully functional trial version.

SurferEQ v1.2

New Features:

  • MIDI support: SurferEQ now has MIDI note input and supports 3 operation modes (described in detail below).
  • AAX compatibility: 32- and 64-bit, Pro Tools 11 compatible.
  • Settings window allows tweaking pitch tracking parameters.


  • Improved filter transitions (Fixed "pop"s on extreme settings).
  • CPU usage optimized by up to 75%.
  • Trial version is now a 30-day fully functional trial.


  • Graphics compatibility with Retina displays.
  • Fixed keyboard input issues in some Windows hosts.
  • Fixed rare crashes in Windows.

MIDI Modes:

  • MIDI mode 1: Note Overrides Detection: Designed for easy correction of the pitch-detection engine when required. A MIDI Note On input will override the internal pitch-detector. On MIDI Note Off, the pitch-detection engine will resume its operation.
  • MIDI mode 2: Surf By Note: Designed for frequency specific ducking. Pitch / Frequency is controlled by MIDI, Internal pitch-detection engine is disabled. MIDI Note On / Off toggles Surf-enabled bands.
  • MIDI mode 3: Instrument Mode: Designed to be played like an instrument where the source audio acts as an oscillator. Pitch / Frequency and sound are controlled and triggered by MIDI Notes.
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