Hello list, this one will quickly get on your nerves...
Thierry 2011/10/11 tim vets <timv...@gmail.com> > 7 objects arpeggiator > note that if you click the same Hradio box several times you also get > variations. > gr, > Tim > > 2011/10/11 Mathieu Bouchard <ma...@artengine.ca> > >> Le 2011-10-12 à 01:32:00, hardoff goes bananas a écrit : >> >> >> no idea what causes the transpose/chord shift in this patch, but if you >>> leave it for a while, it inevitably does happen. >>> >> >> You are greatly amplifying error accumulation coming from [phasor~]. With >> a samplerate of exactly 44100 and a frequency of exactly 2, an ideal >> [phasor~] would increase by an amount of 2/44100 at each sample, leading to >> a new 0 at every 22050. The truth is a bit different. >> >> If you do it with regular pd floats (float32), the amount 2/44100 gets >> computed as 12466118/pow(2,15+23) instead, because that's the closest >> fraction that this format can express. >> >> For reasons of error accumulation, [phasor~] uses a «double» (float64) for >> storing the phase, but then it stores 1/44100 as a float, an computes >> 2*(1/44100) as a float too, therefore a [phasor~ 2] doesn't have the exact >> frequency of 2. >> >> BTW, have you tried [phasor~ 2.01] and other things like that ? At least >> on my computer, it's more interesting than [phasor~ 2]. >> >> >> ______________________________**______________________________** >> __________ >> | Mathieu BOUCHARD ----- téléphone : +1.514.383.3801 ----- Montréal, QC >> >> _______________________________________________ >> Pd-list@iem.at mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list >> >> > > _______________________________________________ > Pd-list@iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > >
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