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A tip for Wogglebug users

2008-02-02 by Grant Richter

I noticed a post on the 9 pages of Wogglebug related info at the Electro-music site.

Someone was wondering how I had done one of the demos and I realized I had never 
mentioned this technique. I was not withholding the information, I just forgot about it until I 
read the post. It was 8 years ago when I did the demo.

Here is the tip: Woggle CV is only a generic label, at short settings of the Woggle Time pot, 
the decaying sinusoids at the Woggle CV output are in the audible range. At the shortest 
setting of the Woggle Time pot, and with other things right, the Woggle CV output will 
oscillate chaotically in the audio range. The output is from the state-machine phase detector 
in the 4046, so it moves in steps, not true sinusoids, but a lowpass filter will remove the 
stepping.

To get the bass thumps in the demo, run the Woggle CV output to a lowpass filter to knock 
out the high frequency content and play with the Woggle Time control to affect the pitch of 
the "thumps".

If someone could pass this over to the Electro-music forum, that would be great.

Happy Woggling!

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