[PD] tabosc4~ and table byte reallocation

mami music mami.music at gmail.com
Wed Jan 27 15:32:55 CET 2010


Thanks frank
Have seen that approach all the way through PD examples.

But still, i am trying to find more windowing option besides a raised [cos~]
window. Iguess there are specific windows fos specific cases... maby some
reading references about it.
Thanks a lot

Daniel

2010/1/27 Frank Barknecht <fbar at footils.org>

> Hallo,
> mami music hat gesagt: // mami music wrote:
>
> > When the signal inside the array cant loop at the block~ frequency is
> there
> > a windowing method any would recomend to try to smooth things out
> (obviously
> > there would be distortion).
> > Maby having two [tabosc4~] one with phase shift of 180 degrees in
> relation
> > with the other with some sort of windowing... but i guess that would be
> > equivalent as making the blocksize bigger....
>
> The usual approach here is to split the [tabosc4~] into its phase and
> table-lookup parts by using [phasor~]--->[tabread4~] instead. Then make a
> phasor~ signal half out of phase using [+~ 0.5] and [wrap~] to drive a
> second
> [tabread4~]. Window both signals with e.g. a raised [cos~] window and
> you're
> set.
>
> It's the approach taken in many of the sampler-examples in the 3.audio.doc
> sections and described in detail in Miller's book, which you can read
> online.
> (I consider it required reading.) You don't need to bother with [block~] at
> all
> here.
>
> Ciao
> --
> Frank
>
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