Keying a TWIN-T CPO & filtering it with a GLAME BANDPASS DSP APP, creating a 'PULLED BOW' CW waveshape

GLAME BANDPASS FILTER   http://plugin.org.uk/ladspa-swh/docs/ladspa-swh.html

iCW/mumble   https://sites.google.com/site/icwoip/

Carla Plugin HOST   https://kx.studio/Applications:Carla

NOTE: this TWIN-T circuit has an adjustable RISE and FALL time... to get the pulled bow waveshape, the FALL time is about 1 to 2(or so) ms longer than the rise time...which when combined with the GLAME BANDPASS FILTER creates the PULLED BOW waveshape

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