Patrick Shirkey wrote: > Frank Barknecht wrote: > >> Hallo, >> Austin hat gesagt: // Austin wrote: >> >> >>> On 2003.05.27 07:42, Patrick Shirkey wrote: >>> >>>> It's highly unlikely that jack and usb will work well with low lat >>>> at any sample rate. >>> >>> >>> I was leaning towards the quattro USB. Are you saying you've NEVER >>> been able to record four channels without dropouts? Are you guessing >>> the PCI version (whatever it's called) would have fewer dropouts with >>> jack? >> >> >> >> I don't think, that this is what Patrick meant. USB is not really >> suited for very low latency applications because of how the bus >> handles the data transport. But with a bit higher latency settings, it >> is no problem to record or play 4 channels without dropouts on the >> Quattro. Nevertheless PCI is better, but not an option on a laptop. >> For a standalone machine, I'd highly recommend a 'real' card. >> > > Another thing about the quattro is that even the windows drivers will > not allow you to record and playback on all 4 channels at one time. > > You can use > > 4 in, 2 out 48khz 24 bit > 2 in, 4 out > 2 in, 2 out 94 khz 24 bit > > I think I am running up against this with my latest attempts. It may be > that the quattro cannot do all 8 channels because of a hardware switch > maybe for power consumption or something. They do run awfully hot and I > can imagine that it would be possible to melt something if their is too > much power running through them. > I have just found out that it is the input 3 and 4 that now work in full duplex mode with 4 outputs. I guess this is backwards but don't know for sure. The sound is still fucked at the mo but that's definitely jack apps acting funny. -- Patrick Shirkey - Boost Hardware Ltd. Http://www.boosthardware.com Http://www.djcj.org - The Linux Audio Users guide ======================================== Being on stage with the band in front of crowds shouting, "Get off! No! We want normal music!", I think that was more like acting than anything I've ever done. Goldie, 8 Nov, 2002 The Scotsman