[sdiy] Multiple oscillator detuning

[Tom Wiltshire]

Here's that paper Richie's talking about if anyone else is interested:

http://www.nada.kth.se/utbildning/grukth/exjobb/rapportlistor/2010/rapporter10/szabo_adam_10131.pdf

Very interesting reading.

Tom

On 9 Dec 2012, at 23:09, Richie Burnett wrote:

> Take a look at "How to emulate the super saw" by Adam Szabo. (If you can't find it online let me know and I'll email you the pdf.) The key thing is breaking up regular beat patterns between the oscillators to make it sound smooth and less flangey.
> 
> -Richie,
> 
> Tom Wiltshire <tom at electricdruid.net> wrote:
> 
>> Hi All,
>> 
>> I'm currently playing with a chip generating multiple oscillators, detuned into a big fat cloud of sound. I've got that working. It's a big fat cloud. Now I'm working on the niceties - making it sound really good.
>> 
>> Now, it seems to me that there's a *lot* of ways you could do detuning. I've got 5 oscillators, so I've got a a few options.
>> For a start, I could either use linear detuning (Hertz) or exponential (cents). I could detune each oscillator by some ratio to the others, or I could detune by some prime number to avoid any ratio between the oscillators.
>> 
>> The detuning itself is scaled by a "Detune Amount" control, so any variation can be pushed from zero up to some upper limit. That adds another query - how much detune is reasonable? I suppose various "rave hoover" sounds suggest the answer to that one is "more than you think is reasonable!"
>> 
>> Has anyone played with this kind of thing and got any advice to offer?
>> 
>> Thanks,
>> Tom
>> 
>> 
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