Re: Real Time???

From: Eric Scheirer (eds@media.mit.edu)
Date: Fri May 08 1998 - 07:32:35 EDT


> What I need to know, with out getting into some protracted research at
this
> point is.
> a) Is it worth doing to get a voice or two in real-time? If at all?
> b) would a P75 -P120 be enough power?

On my fastest machine, an SGI Octane R10000, I can run about
6 a-rate oscillators in real-time with the current version of saolc. This
is enough to do some very simple and poor-sounding synthesis in
real-time, but no faster. I suspect that a Pentium II 333 MHz would
give similar performance.

EPFL in Switzerland has begun work on a real-time version of saolc
(they're converting the simple interpreter it is now to a p-code
interpreter).
Such a system should be able to do many useful things in real-time.
They're hoping to have it out in a couple months.

> Ok I hope I haven't made too much of a fool of myself in asking these
> questions here but I really need to know at this point. Before I commit
any
> more resources in what could be the wrong direction.

saolc is clearly not the right direction if you're predominantly interested
in real-time at this moment. In a year, there will be several high-quality
real-time implementations to choose from, but right now I'd recommend
Csound or SuperCollider (if you have a PowerMac and the $$$) if you
want to use software synthesis in live performances. Both software
packages are likely more robust and stable than saolc is right now,
too.

Best to all,

 -- Eric



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