[PD] bandlimited wavetables for pd vanilla

i go bananas hard.off at gmail.com
Fri Feb 13 01:32:37 CET 2015


awesome, thanks claude.

On Fri, Feb 13, 2015 at 1:06 AM, Claude Heiland-Allen <claude at mathr.co.uk>
wrote:

> Hi all,
>
> Today I implemented bandlimited wavetables in Pd vanilla using the idea
> behind mipmapping in OpenGL (ie, generate many filtered and downsampled
> versions of a source, use the most appropriate version(s) by a function of
> the derivative of the lookup index).
>
> More info and full source (quick start tutorial: bl-example.pd):
>
> https://gitorious.org/maximus/pd-bl
>
> License: same as Pd vanilla.
>
> Advantages over other implementations:
> * Can generate wavetables from any waveform stored in a table.
>
> Disadvantages:
> * The higher harmonics are reduced compared to an optimal method.
>
>
> Claude
> --
> http://mathr.co.uk
>
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