Hi all, hope this is the right category for this…
I’ve just had my first serious play with the vowel voice on my Shruthi-1, but if I set the “Param” function to 96 and above it suddenly gets really crackly (think Geiger counter!). Below 96 it’s perfect and all the other waveforms are working as they should too. I’ve turned off everything in the mod. matrix and even tried turning off the MIDI out. I have a quiet linear PSU, but as every other waveform sounds great I don’t think it’s signal path. I’ve recorded some samples and taken a look at 'em in my audio editor and there seem to be short spikes and longer discontinuities. If I loop a clean part between the discontinuities it sounds perfect. The crackles happen all the way across the keyboard but behave differently with different notes.
Some pics of a wave (if I can figure out how to show pics here!)
An entire note sample.
A short spike.
A bigger bit of strangeness.
Does anyone else get this? Have I broken something? My Shruthi’s on v0.91 firmware btw.
Thanks in advance.