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Old 12th September 2013
  #5
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Yes, I've done the calibrate thing. Turned off all any modulation. The graininess is still there.

I've just send an audio file of mine to DSI and it will be interesting to see whether mine is just playing up or that there is something inherently wrong with the thing.

You can hear the file here:

http://www.oakleysound.com/Mopho Pulse.wav

I have traced the problem to the control voltage lines that control the pulse width on the voice chip. There is a randomisation occurring on those particular CV lines that isn't there on the other CVs. I have asked DSI to look into it because what I've found so far doesn't indicate a fault in the hardware as such.

Tony