Monday, 3 May 2010

Motion detection to midi with puredata

another experiment with puredata, webcam image is passed through pix_movement object and a pix_blob turns the result into two midi note streams which are sent into reason via midi yoke. the image is the output of the pix_movement (difference between frames)



I put the pd patch at http://sites.google.com/site/skriyl/Home/pd-projects (motion noise.pd)



The patch outputs on midi channels 1 and 2. I used midi yoke and PD's midi output, then piped this into propellerheads reason, where you can use the "advanced midi" to set up midi bus A then lock down channels 1 and 2 to specific instruments in the rack. I used an NNXT with glockenspiel patch and nn19 with strings patch
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6 comments:

  1. Anonymous14 May 2010 at 01:44

    download is ?

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  2. hotchk15514 May 2010 at 05:36

    ..given above: http://sites.google.com/site/skriyl/Home/pd-projects (file is motion noise.pd)

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  3. Anonymous16 June 2010 at 18:24

    looks like exactly what Im looking for. I downloaded and installed Pd version 0.41.4-extended. but cannot understand how to get he PD to work. how do you do this? My insight webcamera doesnt seem to work. (using mac snow leopard)

    Thanks for help

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  4. hotchk15517 June 2010 at 02:10

    hmm... i don't have a mac, but on the pc i got PD to work pretty much right away... try the tutorials for PD and see if you can get them to work. Another thing is i don't know if midi-yoke works on the mac, you might need to find an equivalent way for the midi output of one app to hook into the midi input of another... you might need to find a mac PD expert.

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  5. Anonymous19 February 2012 at 07:17

    Ho provato a ricreaare la pacht , perchè dopo il moltiplicatore a me i num rimangono 0 e non (30.33, 64.56 69.96) e qndo scrivo alla fine [pd gemwin] mi diventa 1 oggetto senza possibilità di collegamenti e si apre 1 gem bianca ?? cm mai non mi funziona???

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  6. davephillips6929 June 2020 at 15:58

    Checking it out here in 2020 with Ubuntu 18.04 and Pure Data from the Ubuntu repos. Works perfectly with my cheapo webcam, very easy to route the MIDI connections with ALSA's virmidi module. I piped the MIDI to VCV Rack, loads of fun. Thanks for the patch, I look forward to more fun. :)

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