The MIDI Forum

  1. David
  2. MIDI Software
  3. Tuesday, 22 January 2019
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I am trying to control my Roland VT3 (voice changer) with my computer keyboard. For example, I put the "U" key and it deactivates the bypass on the Roland VT3.

My VT3 is compatible with MIDI, and has an implementation chart with references for each of the keys (https://gyazo.com/0362402e6b24441922f206309649275c). I have it plugged into my computer, but I need to find some piece of software that can send the command to my device and change the effect when I press the key.

Does anyone have experience or and idea for if something like this would be possible? Do you think I could hire a programmer to make something like this for me if not? Any info or guidance would be appreciated.

Potential solution:
On the product website it shows the device is controllable via "Albeton" (https://www.roland.com/us/support/knowledge_base/201920239/). But does this software support me pressing a key on my keyboard to activate it, and even if i am not on that program when I push the key?

I saw a prodcut called Bomes (https://www.bome.com/products/miditranslator) which translates midi information, but am not familiar enough with MIDI to determine if this would be a proper solution.
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I guess it additionally requires some Kind of "virtual keyboard" (which is able to send MIDI Notes from your PC-Keyb.)
Then you can use the Bome MIDI Translator to re-map the virtual keyboard's note data to the required format.
Virtual Keyboards are available in many flavours:

https://sourceforge.net/projects/vmpk/
http://www.granucon.com/SoftwarePages/Vmk.aspx
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  1. more than a month ago
  2. MIDI Software
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If you (or someone you know) can write HTML and JavaScript and are familiar with the MIDI protocol, the web browser Chrome supports the "working draft" Web MIDI API. You could make an HTML file on your computer with some JavaScript code in it to send MIDI messages when you press a keyboard key. When you open the HTML file in Chrome it will run the script for you.


The attached example sends the following messages on channel 1 of the selected MIDI output port:

Z: Play Middle C
X: Play D
C: Play E
U: Send Control Change for controller 18 with value 0
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  1. more than a month ago
  2. MIDI Software
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Ableton Live has a virtual MIDI keyboard activated with the "M" key:

https://www.ableton.com/en/manual/routing-and-i-o/#14-3-2-playing-midi-with-the-computer-keyboard
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  1. more than a month ago
  2. MIDI Software
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