PLParEQ1 is a stereo 1-band "ultra-high quality" Parametric Equalizer filter. Feature highlights: Internal 88.2/96kHz processing (even for 44.1/48kHz external sample rates). Stereo LPF, BPF, BRF, HPF, Peaking/dipping, LowShelf, HiShelf. Phase-Linear or traditional phase-warped filtering. ... [more]

PLParEQ4 is a 4 band version of PLParEQ1 (Minus the GUI).PLParEQ4 is a stereo 4-band "ultra-high quality" Parametric Equalizer filter. Feature highlights: Internal 88.2/96kHz processing (even for 44.1/48kHz external sample rates). Stereo LPF, BPF, BRF, HPF, Peaking/dipping, LowShelf, HiShelf. Phase-Linear or traditional phase-warped filtering. ... [more]

System 1200 is a "light" version of Refined Audiometrics Laboratory's Systems 2000 and 5000, suitable for use on personal computers as a VST plugin. It restores lost hearing for musical listening for those who have blown their ears or otherwise lost some (or a lot of) hearing acuity. Corrections are handled in stereo at 44.1 kHz sample rates, with 50 overlapping Bark bands and 4-fold temporal overlap processing, to push inter-modulation distortion products more than 80 dB below the signal levels. Corrections are updated at approximately 1 KHz rate. A sophisticated physics and hearing... [more]