Hi, attached is some stretched phasor~ fun for your classic synthesis methods class: an implementation of the VOSIM algorithm for speech synthesis etc. as invented by Kaegi/Templaars.
My implementation is almost correct, but has a slight bug, which you can see if you set M and T to the values indicated by message boxes, set N to 2 or 3 and and set b to be larger than 0. Then the step function which scales the amplitude of the sin^2 pulses starts irregularily. I'm quite sure this comes from the way I use [samphold~] inside [vosim~] as it sometimes samples the wrong value. However I don't yet know of a proper workaround. (One workaround would be to just omit the samhold-step, but the result would not be VOSIM according to the textbooks.) So anybody with a good idea? Ciao -- Frank Barknecht _ ______footils.org__
vosim~.pd
Description: application/puredata
vosim~-help.pd
Description: application/puredata
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