ReaFIR

EQ
Cockos

ReaFIR is an FFT-based dynamics processor by Cockos that functions as a multi-purpose audio tool with five independent modes: EQ, Gate, Compressor, Convolve L/R, and Subtract. It enables frequency-specific processing with hundreds or thousands of bands and can be used as a linear-phase mastering EQ, surgical surgical EQ, multiband compressor, noise gate, or noise reduction tool. What makes it distinctive is its ability to apply per-band thresholds and ratios across a continuous frequency spectrum without traditional crossovers, plus optional linear-phase operation to eliminate artifacts.

Available for:VST

Key Features

  • Five independent modes: EQ, Gate, Compressor, Convolve L/R, and Subtract
  • FFT sizes from 128 to 32768 samples for precision/CPU tradeoff
  • Hundreds or thousands of compression bands with independent per-band thresholds
  • Linear phase FIR filtering mode to eliminate aliasing artifacts
  • Freehand or point-based curve editing with smooth interpolation
  • Automatic noise profile building and subtraction capability
  • Shared frequency response and phase response analysis display

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