[PD] phasor to square
Frank Barknecht
fbar at footils.org
Sun Jan 20 15:16:10 CET 2008
Hallo,
raul diaz hat gesagt: // raul diaz wrote:
> I need to convert a phasor into a square wave in this way:
>
> phasor:
>
> / / / / / /
> / | / | / | / | / | / |
> / | / | / | / | / | / |
> / |/ |/ |/ |/ |/ |
>
> square (2:1):
> ________ _________ _
> | | | | |
> | | | | |
> | |____| |____|
>
>
> so, a relation HIGH:LOW holds a high or a low value (1 or 0) a indicate
> number of cycles.
Check out doc/3.audio.examples/J02.trapezoids.pd for a patch that can
make all kinds of waveforms with jumps (discontinuities) from a phasor
signal. In that patch, if the Amplitudes add up to 0 you get a waveform
with only horizontal segments.
For your 2:1 square wave, just set the amplitudes of the first two
wrap-phases to 100 and -100, and the phases to e.g. 33 and 66.
For the theory behind this technique read the final chapter in
Miller's book, e.g.
http://crca.ucsd.edu/~msp/techniques/latest/book-html/node186.html
Ciao
--
Frank Barknecht _ ______footils.org__
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