Audio to Midi. Piezo as trigger

Questions and discussion about building and using Max for Live devices
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diegux
Posts: 36
Joined: Sat Oct 16, 2010 9:16 pm

Audio to Midi. Piezo as trigger

Post by diegux » Wed Jul 04, 2018 8:47 pm

Hi, I am trying to convert a piezo mic input (audio) into midi notes with velocity sensitivity.
How can I achieve this with as minimum latency as possible in order to play it live?

Thanks a lot for your help, best..

Transcultur
Posts: 62
Joined: Sun Dec 07, 2014 5:11 pm
Location: Berlin
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Re: Audio to Midi. Piezo as trigger

Post by Transcultur » Thu Jul 05, 2018 5:27 pm

Have a look at the arduino IDE example sketch called knock sensor . It will give you a rough idea on how to use the piezo as a trigger. The only diference will be to send Serial information to m4l and then convert it to the wanted midi . But you can also do that directly arduino side with a midi pin header or Midi over usb.

Transcultur
Posts: 62
Joined: Sun Dec 07, 2014 5:11 pm
Location: Berlin
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Re: Audio to Midi. Piezo as trigger

Post by Transcultur » Thu Jul 05, 2018 5:28 pm

Or you could use the piezo throught your audio interface and use peakamp~ object and similar from max to create triggers

midibass
Posts: 18
Joined: Fri Nov 28, 2008 10:44 pm

Re: Audio to Midi. Piezo as trigger

Post by midibass » Tue Jul 10, 2018 12:30 pm

Ref from K devices could do that?
Michel Thouseau
Accoustic Bass with MIDI system and sympathétics strings
https://www.youtube.com/watch?v=4ip1bY3 ... qMXwZJ81Hg

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