Old 05-31-2014, 12:21 PM   #1
ferro4prez
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Default Velocity Expansion

Hi all! I'm just looking for a quick dirty fix for my midi controller's limited velocity output. Literally, if someone can help me write a little JS snippet that maps velocity from (20-110) to (10-127), I'll be the happiest of campers.

I did the math, and the function f(x) = (13x - 160) / 10 will linearly accomplish this.

Could someone tell me what JS code would take the input velocity value, and times-it-by-13-subtract-160-all-over-10, then spit it back out at this remapped velocity ?


The ultimate version of this would let you type in your controller's lowest and highest possible velocities, and let it remap it to (0-127) or whatever you choose, automatically. I'll be happy to just get mine working in the meantime though

THANKS!
Ferro

Last edited by ferro4prez; 05-31-2014 at 12:24 PM. Reason: punctuation
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Old 06-02-2014, 11:56 AM   #2
mwe
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Try this.

EDIT: If you have time, try the second one and see what you think.
Attached Files
File Type: zip MIDI Velocity Expander.zip (811 Bytes, 144 views)
File Type: zip MIDI Velocity Range Tool.zip (831 Bytes, 200 views)

Last edited by mwe; 06-02-2014 at 03:30 PM.
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Old 06-10-2014, 12:48 PM   #3
ferro4prez
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My god man, THANK YOU! This does precisely what I need!!! I really appreciate your help with this, my controller feels as close to a real piano as I think possible. I'm positive that many people would get so much use out of these scripts, in particular the one that allows you to input ranges.


All the best!
Ferro
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Old 05-19-2019, 03:18 PM   #4
CEART
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Quote:
Originally Posted by mwe View Post
Try this.

EDIT: If you have time, try the second one and see what you think.
Sorry for un-dust this old thread. Is there some updated or new midi tool(s) for replace this dated 2014 or it is still fine to use? I can't found velocity input transformation in ReaControlMIDI.

Thanks in advance.

Last edited by CEART; 05-19-2019 at 04:01 PM.
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