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CGS2510.SEP.STUDENT.UCA at CUB.UCA.EDU
CGS2510.SEP.STUDENT.UCA at CUB.UCA.EDU
Wed Sep 3 14:03:21 CEST 1997
So far as sine shaping from a triangle wave goes, the method I think
is the neatest and partially built an oscillator this way is that of
a nice analog computer. In this case some 13700's were used to
generate 10 terms of a Taylor series from the input (triangle) and
all of the coefficients had knobs for magnitude and polarity control.
This way you get sines and all sorts of other nice stuff. You have a
lack of normal organ-type timbre control in that this is a polynomial
series rather than a harmonic (Fourier) series and to complicate
matters, it is somewhat challenging to determine the coefficients you
need for a given waveform desired. Also, only having triangle input
is a limitation and I suspect that feedback could have very
interesting implications.
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