AudioTeknikk has released DoublePrecisionEqualizer, a free EQ plug-in that got its name because it uses "double precision floating point stream" in the critical parts of the calculations. This is meant to be a good and clean sounding EQ with minimal digital artifacts and a practical and informative UI for the user. It supports all sampling rates.
- High pass filter (8-pole).
- Low shelf filter (2-pole).
- 4 peak filters (2-pole).
- High shelf filter (2-pole).
- Low pass filter (8-pole).
- Noise generator.
- Trim knob.
- Mono/Stereo switch.
- Off/On switch.
- FFT display.
- VU and peak meters.
- Frequency response graph.
- Ctrl+Left mouse click to default knobs.
- Shift+Left mouse click to get precise knob movement.
DoublePrecisionEqualizer is a VST effect plug-in for Windows. It's free and is available as beta version 0.22.