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Erae Spectral drawing

Latest doings with the #erae2: Realtime Spectral drawing just like the good old days with my kurta pad on the Amiga! when the API lets me have a high res API area and draw on tablet, this can be something really nice.

youtu.be/Ja4jPjkZEXM 


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Now with animated cursor and timeline in the webapp sonogram render. I also now use timing to determine mouse up-mouse down-iness of this xy slider (and only use pressure to set amplitude), so it no longer needs the yellow button. 

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Here's another video:  https://youtu.be/Ncgdfneo5l8

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The Spectrum web-app now can zoom into a smaller part of the spectrum so the large space of the Erae can write into a smaller part of the spectrum. These are vectors, not pixels, so they are all scalable. You can also delete the last one drawn. There will be features to select bunches of them and move them around. 


Quantization lets it only draw  clamped frequencies (equal temperament for Log, harmonics for linear scales).


Here's the webapp link.

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I swapped back to the fabric skin and: the sensitivity is really more easy to control and continuous than with the silicone! It's making this webapp a much better instrument! 

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