a/4+b/2
sums and mixes= a / 4 + b / 2A quarter of a plus half of b: a half-strength mix in which b counts twice as much as a.
SEE IT MOVE
Computed in your browser with KINSPIRATION's FUN engine. Drag on the map to try any a and b.
WHAT TO KNOW
INPUTS
a: the lesser source; b: the main one, or ON for a fixed 0.5 offset.
OUTPUT RANGE
-0.75..+0.75
USE IT FOR
A scaled and offset key or controller value. The factory's main use: KeyNum and ON (KeyNum / 4 + 0.5, from 0.5 at the lowest key to 0.75 at the highest, 0.62 at C4) as LFO1's rate control in 389 layers, so the vibrato gets faster toward the treble.
WATCH OUT
It never reaches full scale: the output stays within ±0.75, and with ON as b between 0.25 and 0.75. For a full-range mix use (a+b)/2 or a+b.
IN THE FACTORY PROGRAMS
In 435 FUN slots of the factory programs: FUN1 428, FUN2 6, GFUN4 1. GFUN2 and GFUN4 are the program's global FUNs. 1 of these slots have both inputs OFF, unused slots that keep this equation: its real uses are 434.
MOST USED INPUTS (a, b)
WHERE THE OUTPUT GOES
FIND THEM ON YOUR K2700
HOW TO ON YOUR K2700 · 360 Divisi Mix +solo
Divisi Mix +solo uses a/4+b/2 on its layer 5: see it, then where it goes.
In Program mode choose 360 Divisi Mix +solo (KEYPAD, 360, ENTER).
Press EDIT, go to layer 5 with CHANNEL/LAYER ▲, then MORE and LFO+. The FUN2 row: Input a ASR1, Input b FUN1, Function a/4+b/2.
Where it goes: MORE, DSP MOD. On the Pitch row FUN2 is the Depth Ctl: it sets Source 2's (LFO1) depth from 0 ct to 48 ct.
Hold a note: the Pitch row follows FUN2, ASR1 / 4 + FUN1 / 2.
Press EXIT and answer NO to leave the factory program as it was, or SAVE to keep your version on a USER ID.