Elektron Musical Instruments

shifty@... wrote:
> Has anyone sat down and generated a transfer function of the SID filter
> using a pulse waveform as an impulse?  How about a 2-dimensional sampling of
> all 8 filter combinations at 2^4*2^4 filter cutoff and resonance settings?
> Has anyone characterized that?  Where can I see it posted, I'd like to know
> what the transfer functions look like....because until you do that, you'll
> never get the SID filter sound from any emulation.  Your "Chimera" will be
> screeching loud because you didn't have the right deadspots in your filter.
> Or would it be the other way around?

Someone on the K5000 did this a while back, using the data found in the
K5000's formant-filter.  It had good results, except that the K5K's
formant-filter steps noticably - and the filter wasn't accurate too far
away from the tested cut-off freq.

benski