[sdiy] Good times with quadrature waves

[Graham Atkins]

Dave,

On 14 Jun 2009, at 16:38, Dave Leith wrote:

> Any chance for a short mp3?
> Dave

What of ?, the oscillator or David's wife ?.

Graham

>
> On 6/14/09, David G. Dixon <dixon at interchange.ubc.ca> wrote:
>> Well, my Small Bear shipment finally arrived with my desperately  
>> needed
>> jacks, and I was finally able to get all my modules into the case and
>> patched.  I think I've created the perfect wife-annoying machine!
>>
>> One thing I discovered today: feeding two out-of-phase (by 45 or 90  
>> degrees)
>> sine waves from an oscillating filter to the FM of two oscillators  
>> is pretty
>> darn cool!  With sub-audio sine waves, it sounds like an echo.   
>> Then, when
>> you then apply an envelope to the filter cutoff frequency, all  
>> sorts of
>> oscillatory chaos ensues.  It's good fun; you should definitely try  
>> it if
>> you've got a quadrature oscillator -- or a wife.
>>
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