CurveEQ is a spline equalizer for professional music and audio production applications. CurveEQ shows you the actual filter response you are designing by means of a spline (a smooth curvy line), so you can actually see what the EQ is doing with the sound. This, in turn, allows you to get the best from your mix and your tracks. CurveEQ perfectly suits the needs of mastering.
Changes
-Routing is now configured automatically in most cases.
-Crash when a control point was close to the maximal or minimal frequency fixed.
-Now static spectrum can be loaded from a WAV file directly.
http://www.voxengo.com/product/curveeq/