[sdiy] interesting patents- Yamaha, Kawai, Ralph Deutsch

[Scott Nordlund]

Yeah, I've seen the windowed chirp thing before too.  I tried it in PD and wasn't particularly impressed, though it can make an interesting "barberpole filtering" effect

----------------------------------------
> From: lanterma at ece.gatech.edu
> Date: Tue, 20 Apr 2010 04:15:32 -0400
> To: synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] interesting patents- Yamaha, Kawai, Ralph Deutsch
>
>
> On Apr 20, 2010, at 3:23 AM, Scott Nordlund wrote:
>
>> 4135422 strange sine-based synthesis, 1979
>
> I think I've seen stuff like this under the name "discrete summation formulas."
>
> The sin/sin form is sometimes called a "Dirichlet kernel".
>
> - Aaron
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