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Topics - alinta

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Development / EMG for midisprout?
« on: July 10, 2018, 12:52:53 AM »
Hi there, is it possible to use midisprout purely as a way to gather the emg movement signal rather than gsr? What would be required to do this?


Questions / Using Sprout without IAC Bus?
« on: July 01, 2018, 01:43:45 AM »
Hi all,

I'm trying to connect the MIDI Sprout to a program in order to allow the Sprout to control some visuals. However for this program to take a MIDI input it seems to want to connect directly to the device itself and not IAC. But because the Sprout goes through IAC, the device itself doesn't come up as an option for MIDI input in this program. Is it possible to use the Sprout without routing it through IAC? How would I unplug it from the IAC to test it?

I am running OSX 10.10.5

Questions / Question about midi data
« on: June 12, 2018, 08:48:10 PM »
Hi Sam and all,

Here is a link to a screenshot of some recorded midi data in Ableton Live using midisprout (I tried attaching it to this message but it keeps saying an error has occurred): http://alintakrauth.com/pic. This image is showing 7 minutes worth of recording. It wasn't until I zoomed right out that I noticed this interesting pattern that it made that you can see in the attached image. Does this mean anything in particular? I understand from previous threads that notes on the midisprout get lower as more difference in conductivity is felt (I think I have that right?) and it wraps around when required. What this screenshot shows is the signal going from the top to the bottom of the scale over and over again, at first quite quickly, and then getting slower and more detailed on the timeline as it continues to play.

Are there any insights that can be made from this? eg. Is this typical? What does it mean the plant is actually doing? Is this just one continuous (but wrapped around) signal that simply means the conductivity is getting weaker or stronger (?) with time?

PS. Similarly, I have other midi screenshots that show different plants acting very differently to this one - they look much more scattered across the octaves rather than these bands. And yet others where the plant generally produces the same signal over and over again for a sustained period of time. What does this jumpiness or lack of jumpiness all suggest about the plant's signal??

Cheers, A

Hi again,

Big apologies for all the questions - it's just all pouring out of me right now! This question is about how one might use the MIDI from MidiSprout to make visuals rather than sound. Has anyone tried this, and what might be some good programs to use for this? (Mac or PC is fine, but I generally work on Mac).

I imagine TouchDesigner might be a good one but it isn't something I am super familiar with at this stage.

Another potential way to do it might be to run a program that turns the MIDI signals into keyboard presses, so that I can set up visuals in an outside program to play on keyboard presses. Does anyone have any experience with this? I found these softwares but I'm not sure if I am on the right track:



Cheers, Alinta

Questions / Running multiple electrodes into MidiSprout?
« on: March 23, 2018, 01:23:03 AM »
Hi Sam and all,

Just out of interest, is it possible to take, say, 5 sets of electrode cables and, using some kind of device, feed them all into the one Midisprout? So that you have multiple plants playing on the one Sprout?

Would this just require some kind of splitter cable? Or some other device?

Cheers, Alinta

Questions / Extending biofeedback electrodes?
« on: March 23, 2018, 12:29:37 AM »
Hi Sam and all,

I am experimenting with my MidiSprout and I was hoping to set up an installation where one of the biofeedback electrodes (probably without pad) can fit down the neck of a thin jar and go into some soil inside the jar. The other electrode would stay outside of the jar for a human to touch (again, probably without pad since there would be multiple people touching it over time). Soil can't make noise from the Midisprout by itself, but it can if a human is touching just one of the electrodes.

I'm trying to figure out the best way of putting the electrode into the soil. I guess I could just mash it in there and see what happens, but it might not fit into the jar. I have seen these long thin needle electrodes for going under skin: https://bio-medical.com/rhythmlink-disposable-paired-13-mm-subdermal-needle-electrode-10-pairs-per-box-13mm-6-color-group-1.html and am wondering whether anyone has tried to extend the usual Midisprout electrode with some attached copper wire, for instance? By this I mean a wire that is glued/wrapped to the metal part of the original electrode itself, not actually cutting or modifying the electrode wires in any way! Do you think this is possible or would it cause a shock to the human on the other pad? I don't want to set up something that might cause a jolt.

Cheers, Alinta

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