[sdiy] saw vs ramp, audible?

[Ian Fritz]

String players tune double-stop intervals by the difference-frequencies produced by nonlinearities in the ear.

Ian


> On Dec 9, 2024, at 6:47 PM, Donald Tillman <don at till.com> wrote:
> 
> 
>> 
>> On Dec 9, 2024, at 12:18 PM, Mattias Rickardsson <mr at analogue.org> wrote:
>> 
>> How linear is the human hearing, compared to the speakers or headphones needed to do these listening tests?
> 
> Good question!  Not very linear.
> 
> "How nonlinear?"
> 
> Nonlinear enough that you can make music with the intermodulation distortion products.
> 
> "WTF?"
> 
> I heard an impressive demo at Stanford's CCRMA a while ago where Alex Chechile created a piece of music with notes were never actually played, but where created in the intermodulation distortion products inside the ear.
> 
> Alex Chechile, "Practical applications of difference tones in electronic music composition and synthesis"
> https://searchworks.stanford.edu/view/13680791
> 
>   -- Don
> --
> Donald Tillman, Palo Alto, California
> https://till.com
> 
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