Thanks Roman,
I'd love it if you could look at the Generating Waveforms and
Antialiasing chapters ion the FLOSS Manual a bit later on after I have
time to day to work on them and give me some feedback ;-)
best!
D
Roman Haefeli wrote:
On Mon, 2009-04-06 at 15:15 +0200, Derek Holzer wrote:
I'm writing a tutorial on using sinesum to generate wavetables for the
FLOSS Manual. In typical fashion, the current "all_about_arrays"
documentation merely (lazily?) directs users to Google "partials" to
find out how to build the waveforms. I'd like to point to specific
resource. So, is there any thing that I could direct users to in order
to calculate a series of partials (hopefully scalable) for a given
waveform (hopefully adjustable)?
hi derek
checkout the abstractions:
- synth.osc.saw.bl~.pd
- synth.osc.square.bl~.pd
- synth.osc.triangle.bl~.pd
those are based on such tables consisting of partials of those
waveforms. the tables are created dynamically on instantiation of the
first instance of the abstraction.
checkout the [pd lookup-table-creation] subpatch and its subpatch [pd
bandlimited-WAVEFORM-sinesum]. the latter will generate the correct
sinesum messages for the given number of partials.
roman
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