Sonoris Audio Engineering also releases another mastering Equalizer - Sonoris Linear Phase Equalizer (SLPQ). Looks useful.
Features:
7 band parametric linear phase equalizer
backwards/forwards type algorithm
4 quality settings
Lowpass and highpass filters up to 48 dB/octave
Peaking and shelving filters
Stereo, L, R or MS processing and monitoring
No pre-warping effects, that is, correct response up to Nyquist
HQ mode with upsampling for an even more accurate response
Soft Engage technology on all filters to prevent pops and crackles
Mousewheel support
A/B comparison
Large graphical display with dragable handles for maximum control
Three zoom levels
High resolution level meter
Track following
Full automation possible
SSE and SSE2 optimizations
Settings can be saved
64 bit integer math in audiochain, except for the filter code
TPDF dither is used to convert the 64 bit signal back to the host resolution
Price: $225.00
Here are more Effects, Plugins and Filters.
"The plugin is suitable for mixing and especially mastering and features 7 bands, including lowpass, highpass, peaking and shelving filters." Via