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    Interactive flamenco

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    • vanakaru
      vanakaru last edited by

      We had a short performance during student film festival gala. This is a part of a bit more extensive show we are working on. It worked rather good in the end in spite of we were not allowed any rehearsal time - everybody ran their stuff in last minute. Also a stage worker wanted to show somebody how the main power switch kills all the lights at once - including working projectors. The result was that our projection went crazy and I had to troubleshoot everything 30 min to the beginning. 5min before the doors I got the proper picture back. Great fun.

      [https://vimeo.com/84249323](https://vimeo.com/84249323?utm_source=email&utm_medium=clip-transcode_complete-finished-20120100&utm_campaign=7701&email_id=Y2xpcF90cmFuc2NvZGVkfDRiNDliZDNmZWM1ZDhjMDgzMWE2YmY3NmYzNmZjYjU5OTZ8MzExODUzNXwxMzg5ODIwNjY5fDc3MDE%3D)
      We used two piezo triggers(for both stage modules) to drive MIDI notes with Arduino.
      Video reacts to the sound through Isadora. You can see I had no time to set peak values properly, so with the loudest sound there is no reaction at all. But nobody understood that anyway.
      Everybody liked it.

      MBP 4.1 & MBP (Retina, Mid 2012) MBP Retina 2017

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      • eight
        eight last edited by

        Nice! Piezo triggers were mounted on the floor, I presume?

        --8

        Analysis: http://post.scriptum.ru | Synthesis: http://onewaytheater.us
        Twitter: https://twitter.com/eight_io | Flickr: http://www.flickr.com/photos/eight_io/
        Github: https://github.com/eighteight | MulchCam: https//mulchcam.com
        MulchTune: https://itunes.apple.com/us/app/mulch-tune/id1070973465 | Augmented Theatre: https://augmentedtheatre.com

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        • vanakaru
          vanakaru last edited by

          Yes, this little round thingy in the middle.

          It was interesting that if piezos were mounted directly on the floor surface the response was very poor. When I used pads from an old Yamaha drum synth instead the result was much improved. Seems like the piezo needs some kind of room/space to sound properly.To condition the piezos to produce just the highest reading on a given knock is not the most easy task with my rudimentary C++ skills.

          MBP 4.1 & MBP (Retina, Mid 2012) MBP Retina 2017

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          • eight
            eight last edited by

            @vanakaru Did you consider using USB surface microphones instead?

            --8

            Analysis: http://post.scriptum.ru | Synthesis: http://onewaytheater.us
            Twitter: https://twitter.com/eight_io | Flickr: http://www.flickr.com/photos/eight_io/
            Github: https://github.com/eighteight | MulchCam: https//mulchcam.com
            MulchTune: https://itunes.apple.com/us/app/mulch-tune/id1070973465 | Augmented Theatre: https://augmentedtheatre.com

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            • dbini
              dbini last edited by

              i'm doing something very similar - but very simple - with visuals reacting to flamenco as part of a show that opens next week. using a Samson Go Mic sat on the stage. its working really well.

              John Collingswood
              taikabox.com
              2013 MBPR 2.3GHZ i7 OSX11.7.4 16GB
              & 2019 MBPT 2.6GHZ i7 OSX12.3 16GB

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              • vanakaru
                vanakaru last edited by

                Not USB and I do not know what these are made with(electret most likely).

                But this one http://dx.com/p/lm393-sound-detection-sensor-module-black-221267 could be promising. I just did not get these at the time. I shall experiment in few days. These are Arduino compatible(rectified) - producing 0-5V. I will mount these under the stage module probably to avoid unwanted ambient noises.

                MBP 4.1 & MBP (Retina, Mid 2012) MBP Retina 2017

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                • vanakaru
                  vanakaru last edited by

                  dbini

                  I am using mic input to control visuals already. The trick is to get the force of a step to produce MIDI notes accordingly.

                  MBP 4.1 & MBP (Retina, Mid 2012) MBP Retina 2017

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                  • eight
                    eight last edited by

                    Speaking of piezo mics, I have this model, which plugs directly into sound input on my mac: http://www.pulsecontroller.com/ , which looks very nice in the video, I however am yet to try it.

                    --8

                    Analysis: http://post.scriptum.ru | Synthesis: http://onewaytheater.us
                    Twitter: https://twitter.com/eight_io | Flickr: http://www.flickr.com/photos/eight_io/
                    Github: https://github.com/eighteight | MulchCam: https//mulchcam.com
                    MulchTune: https://itunes.apple.com/us/app/mulch-tune/id1070973465 | Augmented Theatre: https://augmentedtheatre.com

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                    • crystalhorizon
                      crystalhorizon Beta Platinum last edited by

                      @eight pulsecontroller looks nice. Have you tried it?

                      Alexander Nantschev | http://www.crystalhorizon.at | located in Vienna Austria

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                      • eight
                        eight last edited by

                        @feinsinn: I played a little bit with it, but am yet to use in the production. It behaved as expected looking at their videos.

                        --8

                        Analysis: http://post.scriptum.ru | Synthesis: http://onewaytheater.us
                        Twitter: https://twitter.com/eight_io | Flickr: http://www.flickr.com/photos/eight_io/
                        Github: https://github.com/eighteight | MulchCam: https//mulchcam.com
                        MulchTune: https://itunes.apple.com/us/app/mulch-tune/id1070973465 | Augmented Theatre: https://augmentedtheatre.com

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                        • Armando
                          Armando Beta Gold last edited by

                          I bought it too. It does beautifully what it's promising. Plain and simple.


                          Armando Menicacci
                          www.armandomenicacci.net
                          www.studiosit.ca

                          Macbook pro 16 inches 2022 64 GB RAM, M1 MAX. OS 13 Ventura

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                          • vanakaru
                            vanakaru last edited by

                            I got the PulseController as well. You said it works as advertised.

                            I agree. Only ANY piezo trigger attached to the computer does exactly the same. The supplied software seems to be not much more that I could make with Isadora.
                            OK, these are just my first impressions. But it seems that the idea behind this device is to read a trigger as a bang+velosity and trigger MIDI notes one after another - according preset order(scale, music style etc).
                            At the moment I am using rather successfully a toy spy microphone, that is just an amplified piezo with built-in battery.
                            http://www.ebay.com/itm/Highly-Sensitive-Wall-microphone-voice-bug-ear-listen-by-wall-device-Pro-spy-/171133519112?pt=US_Headphones&hash=item27d85a4508
                            It is very sensitive and extremely handy with adjustable volume. Battery lasts very well too(I have not tested the actual capasity, but running 6hours strait was no problem).
                            So I am not too impressed with the thing actually. But as what it is intended to it is OK.

                            MBP 4.1 & MBP (Retina, Mid 2012) MBP Retina 2017

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                            • Contexter
                              Contexter last edited by

                              @Vanakaru Could You tell us a little more on how you worked with the Spy Microphones - I just ordered one - ? (Maybe opening another thread ?)

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                              • vanakaru
                                vanakaru last edited by

                                @Contexter

                                The spy mic is really nice device. It has internal battery that hold up very well(it has not run out on me at all). So you need just a  wire to the sound-IN. The mic amp with input level pot is very handy.
                                Since it holds regular piezo mic/trigger everything you need to worry about is the same with any piezo. Meaning that piezo is like a bell that produce wild range of electric charge and flux. I tried various conditioning techniques, but none were perfect.
                                I got this trick recently and have not tested it yet. It will limit the time you get the piezo ringing. MIDI CPU here is one of these(it is very reliable MIDI device BTW)
                                http://store.highlyliquid.com/collections/midi-controllers
                                but it should work with Arduino analog-in as well.
                                I contacted the author of PulzeController and asked for a advise to condition the piezo signal(he has done it with MAX MSP most likely), but after initial few messages he never returned to the subject. Trade secrets - I assume. So the SpyMic will work with Pulze just as well or better.

                                6bb43b-midi-cpu-piezo-npn-555.png

                                MBP 4.1 & MBP (Retina, Mid 2012) MBP Retina 2017

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                                • Contexter
                                  Contexter last edited by

                                  Did you try working with Pure data 's ~fiddle  or Plogue's Spectral Bidules to get Spectral to Midi data ?

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                                  • vanakaru
                                    vanakaru last edited by

                                    No, I have not grasped PD at all(athough tried many times). Now for Plogue I now pretty well, but I have not figured how to get live audio input to it. Could you explain this a bit. Spectral does not allow any other inputs.

                                    MBP 4.1 & MBP (Retina, Mid 2012) MBP Retina 2017

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                                    • Contexter
                                      Contexter last edited by

                                      Start with FFT bidule ...

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                                      • vanakaru
                                        vanakaru last edited by

                                        Very interesting.

                                        Although I can not figure is how to make Spectral to sustain the note a bit longer. It sends the noteOff almost immediately. When I route it through Isadora and add delay to trigger noteOff then it works better.
                                        Also Spectral sends too many notes rapidly even if I tweak the threshold. It seems to be sending more notes the louder is incoming audio. My goal is to get the scale of notes according to the volume of the audio. More volume=higher note. So I can not get good result with Plogue alone.

                                        MBP 4.1 & MBP (Retina, Mid 2012) MBP Retina 2017

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                                        • Armando
                                          Armando Beta Gold last edited by

                                          I did quite a bit of research on pulse controller more than a year ago. I found how they did it and it is not doable in isadora. Well everything is doable but the sound analysis.

                                          The  sound object  that does the trick (super fast attach detection) is called bonk~ and what bonk does is to analyze the attack of a sound coming from the piazo AT A SAMPLE LEVEL though 44.1000 times per second. That is it
                                          There is another max/msp and Puredata object called fiddle~ that does a similar thin plus a bunch of other amazing stuff (like pitch detection).
                                          Hope it helps. Sorry I can't be with you in Berlin in a fed days.... 

                                          Armando Menicacci
                                          www.armandomenicacci.net
                                          www.studiosit.ca

                                          Macbook pro 16 inches 2022 64 GB RAM, M1 MAX. OS 13 Ventura

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