[sdiy] presets on a modular

[Richard Wentk]

At 09:56 11/11/2004 +0000, Paul Maddox wrote:
>Richard
>
> > So you'd need a rather hefty analogue switching matrix board, or some kind
> > of digital multiplexing system. The former is expensive and complicated,
> > and the latter immediately runs into issues of bandwidth and resolution.
> > especially if you're planning to send audio through it. Plus it's also
> > digital. ;)
>
>ooo, someone figured it out..

That and more. ;-)

>To run the system I planned needed a 50Mhz digital backplane.
>This gave 100khz sample rate for each in and out and the ability to have 64
>modules in a single 'system'.

You're assuming 4 ins/outs per module, and 16-bit resolution?

I think running at 16-bits could be a problem for the audio - you can 
definitely hear the difference, even at 100k. And more would be insanely 
expensive.

So - interesting idea, if your customers are fantastically rich. :-)

> > We used to have an electro-mechanical telephone system in the UK called a
> > Strowger exchange. If you don't mind dedicating a room to your modular, I
> > expect it would do the job easily. :)
>
><ROFLMAO>
>You'd get deafened when you changed a patch on a big system..

Yeah, but just think of the stage presence. :-)

Richard