[PD] buzz opcode
mpuckett at man104-1.ucsd.edu
Sat Jan 26 02:42:49 CET 2002
Moorer, J. A.,
"The synthesis of complex audio
spectra by means of discrete summation formulae," Journal of the Audio
Engineering Society, 24/8, 1976, pp. 717-727.
There are some abstruse bits.
On Fri, Jan 25, 2002 at 07:50:18PM +0100, Frank Barknecht wrote:
> Hi Krzysztof,
> Krzysztof Czaja hat gesagt: // Krzysztof Czaja wrote:
> > you may try to simulate buzz effects with filters. Or maybe swapping
> > and crossfading a pair of arrays would do (but probably only for slow
> > control rates)? Similar to using dual-head delay line for harmonizer
> > effect (but with a different window). Something like
> > ...fotzsyzrkFILLkrz...
> > ...zrkFILLkrzysztof...
> And what does _that_ mean?
> It is not Polish: My parents lived in Poland until about 40 years ago
> and they speak Polish and I never heard them say "fotzsyzrkFILLkrz"
> Now seriously: How is crossfading two arrays done? I understand the
> harmonizer, "fotzsyzrkFILLkrz" does mean a tape running backwards?
> > Btw. converting Csound opcodes into Pd externals is easy, and with
> > clever little preprocessing they should be possible to generate
> > `on demand' (for research and educational purposes only), bypassing
> > all the licensing clashes. Has anyone thought about this?
> I came to PD from Csound. Working in Csound is totally different from
> working with PD, and I feel a lot more at home with Miller's way of
> thinking, expressed in PD. On the other hand, I really miss some
> opcodes, mainly because I would like to try some things from the Csound
> Book, which I never tried when I was still using Csound. As Csound also
> is a major source of dsp source code, I was thinking of starting to port
> some opcodes to PD (after I grok writing externals, but there's the HOWTO)
> But then I looked at the buzz code in csound, and I simply didn't
> understand it yet :( Now I am waiting for my "Dogde: Computer Music" to
> arrive, which supposedly also has a description of the buzz generator.
> But this opcode porting (for educational and research purpuses only, except
> the non-MIT-licensed ones) seems to be a very good idea.
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