2.1.12. IIR contour type


The IIR contour type combo-box allows you to change the LUFS loudness type’s IIR filter contour. The following contours are supported:

  • K-weighting
  • ECMA-418
  • ISO 226 (2003)
  • ISO 226 (2023)
  • Fletcher-Munson
  • ITU-R 468
  • A-weighting
  • C-weighting

Contours other than K-weighting no longer conform to the LUFS standard, but are provided for flavor and perceptual precision.