E-Mu Ultraproteus Operation Manual page 212

F072 BssBOOST2.4
Morph: Boosts frequencies around 60Hz, sweeping to open response.
Freq. Tracking: Introduces a dip at 320Hz and a peak at 2059Hz. With
axes offset, a bump at 60Hz and 1200Hz is introduced.
Transform 2: Not used.
F073 BassDrumEQ
Morph: Adds low end boost.
Freq. Tracking: Tends to smooth out the filter.
Transform 2: This adds high end at the expense of low end.
Comments: This is an EQ filter designed for bass drums, based on a
low pass EQ filter. The transforms tailor to different types of bass
drums.
F074 Snare LPEQ2
Morph: Controls brightness.
Freq. Tracking: This moves the mid range bump down a bit.
Transform 2: This will smooth the boost (widens the 'Q').
Comments: This is an EQ filter designed for snares, based on a low
pass EQ filter. There is a strong boost in the 320Hz to 640Hz range
and some boost on the low end to give it some punch. The trans-
forms tailor to different types of snares.
F075 HiHatLPEQ
Morph: Controls brightness.
Freq. Tracking: Tends to make the EQ more complex.
Transform 2: Tends to modify the low end.
Comments: This is an EQ filter designed for hi hats, based on a low
pass EQ filter. There is a strong boost in the 5kHz to 18kHz range
and some cut on the low end. The transforms tailor to different types
of hi-hats.
COMPLEX FILTERS
Many of these filters have never existed for musical applications before!
F076 HP LP PZ
Morph: Sets how open or closed the filter is.
Freq. Tracking: Sets the transition from high pass to low pass.
Transform 2: This sets the sharpness of the cut off.
Comments: This Pole/ Zero filter models both low pass and high pass
filters.
Z-PLANE FILTER DESCRIPTIONS
Chapter 11: Reference Section 191