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KORG M50-88 Parameter Manual Page 41

M50 music workstation.
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With negative values (–), the effect will be in the opposite
direction; if the ramp goes up, the filter cutoff will decrease.
Keyboard Track Shape and Intensity
Intensity = +99 (Original Shape)
Intensity = +50 (Less Effect)
Intensity = 0 (No Effect)
Intensity = –99 (Inverted)
Low Break Key
Center Key
Intensity to B
This controls how much the keyboard tracking will affect
Filter B's cutoff frequency.
Key
Key Low
This specifies the note at which the two sloped lines in the
lower range will be connected.
Center
This specifies the note that will be the break point for the
center of keyboard tracking. At this key, the keyboard
tracking has no effect on the filter cutoff, or on any AMS
destinations.
Key High
This specifies the note at which the two sloped lines in the
upper range will be connected.
Using the keyboard to enter a note value
You can press the keyboard to enter a note number directly.
1. Select one of the Key parameters.
2. Hold down the ENTER switch.
3. While holding ENTER, play a note on the keyboard.
Ramp
Positive ramp values mean that the keyboard tracking
output increases as you play farther from the Center Key;
negative ramp values mean that it decreases.
Because of this, the meanings of positive and negative ramp
settings will change depending on whether the ramp is to
the left or right of the Center Key.
Btm Lo (Bottom-Low) and Lo Cent (Low-Center): negative
ramps make the keyboard tracking's output go down as you
play lower on the keyboard, and positive ramps make the
output go higher.
Cent Hi (Center-High) and Hi Top (High-Top): negative
ramps make the keyboard tracking's output go down as you
play higher on the keyboard, and positive ramps make the
output go up.
The effect on the filter cutoff is a combination of the ramp
values, as set below, and the Intensity to A (B) parameters.
High Break Key
[–99...+99]
[C–1...G9]
[C–1...G9]
[C–1...G9]
PROG P3–1: Filter1 3–1–2: Keyboard Track
When Intensity to A (B) is set to +99, a ramp of 50 changes
the filter frequency by 1 octave for every octave of the
keyboard, and a ramp of +99 changes the frequency by 2
octaves for every octave of the keyboard.
Btm Lo (Bottom-Low)
This sets the slope between the bottom of the MIDI note
range and the Key Low key. For normal key track, use
negative values.
Lo Cent (Low-Center)
This sets the slope between the Key Low and Center keys.
For normal key track, use negative values.
Cent Hi (Center-High)
This sets the slope between the Center and Key High keys.
For normal key track, use positive values.
Hi Top (High-Top)
This sets the slope between the Key High key and the top of
the MIDI note range. For normal key track, use positive
values.
+Inf and –Inf ramps
+Inf and –Inf are special settings which create abrupt
changes for split-like effects. When a ramp is set to +Inf or
–Inf, the keyboard tracking will go to its extreme highest or
lowest value over the span of a single key.
+Inf and –Inf Ramps
Ramp = +Inf
Ramp = –50
Ramp = –Inf
Key Low
Center
Note: if you set the Cent Hi ramp to +Inf or –Inf, the Hi Top
parameter will be grayed out. Similarly, if you set the Lo
Cent ramp to +Inf or –Inf, the Btm Lo ramp will be grayed
out.
Key Follow
To create the classic Key Follow effect, in which the filter
frequency tracks the pitch of the keyboard:
1. Set the Filter Frequency to 30.
2. Set the Keyboard Track Intensity to +99.
3. Set the Btm Lo and Lo Cent ramps to –50.
4. Set the Cent Hi and Hi Top ramps to +50.
5. Set the Center Key to C4.
The settings for the Key Low and Key High keys don't
matter in this case.
Filter Keyboard Track is also an AMS source
You can use the keyboard tracking as an AMS source to
modulate other parameters, just like the envelopes and
LFOs. Simply select Filter KTrk in the AMS list for the
desired parameter.
[–Inf, –99...+99, +Inf]
[–Inf, –99...+99, +Inf]
[–Inf, –99...+99, +Inf]
[–Inf, –99...+99, +Inf]
Key High
33

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M50-73, M50-61

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