SplineEQ Linear Phase EQ by Photosounder (VST2/AU)

Developer:

SplineEQ FREE by Photosounder is a linear phase equalizer that maintains audio phase integrity while adjusting frequency intensity. This free version offers essential EQ functionality with an intuitive spline-based design approach.

Key Features:

  • Up to 4 adjustable frequency bands
  • Spline curve-based filter design for custom shapes
  • Built-in frequency analyzer with visual feedback
  • Gain range from -infinite dB to +60 dB
  • Adjustable resolution and latency settings
  • Smooth parameter transitions without artifacts

Limitations: Cannot save/load presets; full version offers up to 60 bands.

Compatibility: Windows and Mac, VST 2.4 and Audio Unit formats (32/64-bit), supports sampling rates up to 384 kHz. Note: macOS 10.15 Catalina and macOS 11 are not supported.