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E-MU Systems
Preset Programming
Editing Presets
Working with Filters
The filters make it possible to remove certain components of the sound. A
low pass filter removes the high frequency components or put another way,
it “lets the low frequencies pass.” A high-pass filter removes the low
frequency components from the sound letting only the high frequencies
pass. See “Vintage Keys Filter Types” on page 148 for a complete list of
Vintage Keys’s filters and their descriptions.
In preparation for the next tutorial, set up the Vintage Keys with a single
instrument layer on Layer 1.
1.
Go to the Instrument screen (Preset Edit menu) and select
Instrument
#038 - SEM Fuzz
. This is a harmonically rich sound. Since filters work
by removing or accentuating certain frequencies, we want to make sure
that we have a lot of frequencies to start with.
1.
Advance to the Filter Type screen using the data entry control. Select
the
Classic 4th order filter
.
Front panel knobs A & B
are routed to the filter
parameters and will affect the
initial settings made here.
1.
The Filter Frequency and Q (resonance) are preprogrammed to the front
panel controller knobs A & B. This is the easiest way to change the
volume envelope settings.
2.
Press the front panel
Controller button A-D
to select controls A-D
The Frequency parameter determines the filter cutoff frequency or the
frequency the filter uses as the highest frequency allowed to pass. If you
play the keyboard now, you should hear the raw sound. Slowly decrease
the filter cutoff frequency value as you play the keyboard. The sound
gets more and more dull as you remove more and more high
frequencies from the sound. At some point, the sound completely
Atk1
Dcy2
Rls1
Key
Down
Key
Released
Sustain
Level
time
level
Used
Atk1
Dcy2
Rls1
Unused
Atk2
Dcy1
Rls2
L1
FILTER Ord Type
Classic 4 LPF