[PD] online tool or free soft for calculating partials

Derek Holzer derek at umatic.nl
Mon Apr 6 16:13:48 CEST 2009

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 ;-)


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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::: derek holzer ::: http://blog.myspace.com/macumbista ::: 
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