Matrix

[Michael Zacherl]

On Aug 1, 2008, at 10:35 AM, Martin Naef wrote:

> Michael,
>
> Michael Zacherl wrote:
>> Originally we were discussing sort of an uber-filter, i.e. freely
>> configurable filter poles with morphable configurations.
>> This would require a bunch of inverting VCAs, at least at the  
>> matrix's
>> I/Os which is 2x16 on a 16x16 matrix.
>
> In that case, I think digital is *not* the way to go. With filter
> topologies, you'll want to keep the option for feedback paths. The
> latency introduced by the AD/DA stages will kill that option.


BTW, there's another issue:

The maximum frequency of the signals I use!
Quite often I work with beating effects where the single wave's  
frequency or some harmonics of it is/are way above our hearing range.
So with the VCO cycling at some 30kHz a standard digital matrix would  
render the signal useless.
So in my system (knowing what the VCOs and filters are cabable of) a  
sampling frequency in the 88.2/96kHz range would be necessary.
So this entire thing isn't going any better :-(

--
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