Korg pa 900 User Manual: Filter: Filter Type

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Filter: Filter Type

Here you can make settings for the filters that will be used by the
oscillators. You can select either a 24 dB/octave low pass filter
with resonance, or a series connection of a 12 dB/octave low pass
filter and a 12 dB/octave high pass filter.
Filter Type
This parameter selects the type of filter (Low Pass Resonant, Low
Pass & High Pass) for the selected oscillator.
Low Pass Resonance
When the Low Pass filter type is selected, only fil-
ter A will be activated.
Low Pass & High Pass
When the Low Pass & High Pass filter type is
selected, the filter B will be activated.
Trim
Use this parameter to adjust the level at which the audio signal
output from the selected oscillator is input to filter A.
Note: If this value is raised, the sound may distort if Resonance is
set to a high value or when you play a chord.
00...99
Trim level.
Filter A
Frequency (Cutoff Frequency A)
This parameter specifies the cutoff frequency of filter A.
Low Pass
Level
12dB/oct
24dB/oct
Frequency
00...99
Cutoff frequency value.
This is a filter that cuts the
high-frequency region above the cutoff
frequency.
This is the most common type of filter,
and is used to cut part of the overtone
components, making an originally bright
timbre sound more mellow (darker).
When the "Filter Type" is Low Pass
Resonance, the cutoff will have a
steeper slope.
Resonance (Resonance A)
The resonance emphasizes the overtone components that lie in
the region of the cutoff frequency specified by "Frequency", pro-
ducing a more distinctive sound. Increasing this value will pro-
duce a stronger effect.
00...99
Resonance value.
Res. Mod. by AMS (Resonance modulated by AMS)
Selects the source that will control the "Resonance" level. See
"AMS (Alternate Modulation Source) list" on page 229.
The effect of resonance
Low Pass
Level
Low resonance value
Intensity (AMS Intensity)
This parameter specifies the depth and direction of the effect
that "Res. Mod. by AMS (Resonance modulated by AMS)" will
have on the resonance level specified by "Resonance (Resonance
A)".
For example if Velocity has been selected, changes in keyboard
velocity will affect the resonance.
With positive (+) values, the resonance will increase as you play
more strongly, and as you play more softly the resonance will
approach the level specified by the "Resonance" setting.
With negative (–) values, the resonance will decrease as you play
more strongly, and as you play more softly the resonance will
approach the level specified by the "Resonance" setting.
The resonance level is determined by adding the "Resonance"
and "Intensity (AMS Intensity)" values.
-99...+99
Parameter value.
Filter B
Frequency (Cutoff Frequency B)
This parameter specifies the cutoff frequency of filter B. This
parameter will be displayed when "Filter Type" is set to Low Pass
& High Pass.
High Pass
Level
12dB/oct
Frequency
00...99
Cutoff frequency value.
Sound mode
217
Filter: Filter Type
High resonance value
This filter cuts the low-frequency range that
lies below the cutoff frequency. By cutting
the lower overtones, it lightens the tone.

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  • Vikas kumar Mar 30, 2017 03:31:
    By mistake I delete my synth fx get back please tell me, I'm worried about my korg pa 900 , how can I get my effects.
  • Jorge Leiva Sep 10, 2016 01:25:
    Port favor, me pueden ayudar a traducir este manual (el de 450 páginas?
    Gracias.