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At 1:38 PM -0800 1/21/98, Paolo Valladolid wrote: >> Curtis Bahn wrote: >> >> > Also check out MSP, David Zicarelli's signal processing extensions to >MAX >> > at http://www.cycling74.com. If you have a powerpc computer you can >>easily >> > design custom looping and overdubbing algorithms (amoung many other >> > things). It's great ! Programs like MSP and LiSa are taking looping >away >> > from the restrictions of commercial hardware, to a whole new level of >> > personal sound design and performance interaction. >> > crb One thing kind of troubling about the computer based systems for real-time use is the latency problems. (meaning the time it would take for audio to be sent in and sent back out again.) On the MSP site some typical latencies are actually listed as: Audio input to audio output latency on a 9600/300: Using the Digidesign Audiomedia III: 46ms Using the Sound Manager: 294ms that's definitely in the range where you would notice it in some situations, especially with looping and trying to maintain precise grooves. And this is on a very fast (and expensive) system! I know that PC's suffer from the same problem. The audio has to go through a lot of operating system to get to where it's useable, and a lot more operating system to get out again. So those of you using systems like these for real-time audio I/O, how do you deal with that? Are you able to operate it with any timing precision for real-time audio events? And I don't mean hard disk recording where the system has opportunities to compensate for the latency. I mean audio really going in and out, like you might have on a typical stand alone audio processor. Anyone? kim ______________________________________________________________________ Kim Flint | Looper's Delight kflint@annihilist.com | http://www.annihilist.com/loop/loop.html http://www.annihilist.com/ | Loopers-Delight-request@annihilist.com