Differences

This shows you the differences between two versions of the page.

--- drambo_cookbook [2021/03/30 06:33] – [Math and Logic modules] rs2000
+++ drambo_cookbook [2023/11/12 06:36] (current) – [MIDI] wim
@@ Line 30: / Line 30: @@
 {{::109dd41f-b273-42f9-afae-86952b5ed372.jpeg?1000|}}
 ==== MIDI ====
-.
+[[AUv3 MIDI Recording Workarounds#Drambo|Recording AUv3 MIDI in Drambo]]
+=== Sequencing CC Values Using Notes ===
+To sequence values of a CC using notes requires some math to convert CV to the range of values 0-127.
+Note: As of the current Drambo v2.26 the keyboard and pads don't extend to the full 0-127 range of midi notes. However, the sequencer does cover the full range.
+Audiobus Forum member @uncledave provided this explanation of the math:
+> The Drambo CV uses 0.125 per octave, or 1.00 for 8 octaves, 96 semitones. Zero CV is positioned at C2 (note 48), so C-2 (note 0) is 4 octaves down, CV of -0.5. If we add 0.5 to the CV, all the note values will be positive, with maximum value of 127/96. (Highest MIDI note is G8, note 127.) We need a CC input running from 0 to 1, so multiply by 96/127.
+>
+> The Scale + Offset module computes
+>
+> y = Range (Amount * x + Offset)
+>
+> I set Offset = 0.5, Amount = 1.0, and Range = 96/127 = 0.7559055. The previous example used Range = 1 and Amount = 96/127, so Offset had to be 48/127 = 0.377953. Double tap on the displayed value to enter the precise numbers.
+>
+> {{::gqu0vx5b4tpc.jpeg?640|}}
+Alternative way to do the same thing from @espiegel123
+{{::b1t8iz9hoqhs.jpeg?640|}}
+And from @wim
+{{::2umbdjpg2x9x.jpeg?640|}}
 ==== Sequencer modules ====
@@ Line 39: / Line 64: @@
+{{tag>Drambo}}