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MIDI Learn - Scale / Range / Baseline Value + Offset + Percentage Issue Tools
issueid=4127 05-01-2012 02:10 PM
Mortal
MIDI Learn - Scale / Range / Baseline Value + Offset + Percentage
Enable the movement of MIDI learned controls to be scaled to smaller / larger / inverted mappings

Use the full 0-127 resolution of a MIDI fader to control a smaller section of a parameter



To allow for more versatile parameter control MIDI learn should have the following options...
  • Slider for low value (defaults at minimum scale)
  • Slider for high value (defaults at full scale)



Using the default values MIDI learn behaves as normal, but if you would like to control only a small portion of a parameter in REAPER, lets say from -6dB to +6dB with the full throw of a MIDI fader you would set

Slider for low value = -6dB
Slider for high value = +6dB

Now when you move your MIDI fader from 0-127 the volume fader controlled goes smoothly from -6dB to +6dB!

Using a bit of thinking and inverted control of the Q setting (high value for the 'Slider for low value' and low value for 'Slider for high value') you can get the gain-Q interaction as in the video below...

Gain:
Slider for low value = 0
Slider for high value = +7.8dB

Q:
Slider for low value = 3.00
Slider for high value = 0.4



This kind of behaviour has already been implemented in other DAWs such as Ableton Live etc.

Discuss here please - http://forum.cockos.com/showthread.php?t=101430

(Devs - This would be my preferred implementation method but a baseline value/offset & percentage system if it's quicker would gratefully be accepted ;)
Issue Details
Issue Type Feature Request
Project REAPER
Category MIDI recording and playback
Status Suggested
Priority 2
Suggested Version 4.22
Implemented Version (none)
Users who would use this feature 73
Users who would not use this feature 1
Assigned Users (none)
Tags (none)

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