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Problems with a USB Sound card(Click here to view the original thread with full colors/images)
Posted by: maverik
Hey all. Recently purchased an Audigy 2 NX USB (2.0) soundcard to plug into my laptop. Problem is that the audio is frequently cut up and distorted. In general it will be distorted for a second or less every 3-4 seconds, and fine at all other times.
Looking into the issue, it sounds like this kind of thing is somehow related to hard disc access, and it is recommended to enable ultra dma to fix it. My computer had ultra dma enabled to begin with, so that didn't fix it. I also thought it might be a problem with usb bandwith, but i can't make it work well even with unplugging all my usb devices and software disabling the universal host controllers. I don't have a huge amount of experience with these things so I don't reallly know if I did all I could there though.
I think its probably software related at this point. here's why: in the jedi academi demo i was playing recently, when i installed the soundcard it began to lag out badly, usually for a few seconds and at fairly regular intervals. So i thought perhaps some software or usb device was making periodic operations that were messing with the soundcard, causing its cpu or memory usage to spike, or somethign like that. I've tried quitting all sorts of things though and i just can't make the thing work like it should.
Any ideas?
Posted by: The Warden
how many usb ports?
and is the USB port a V2.0 or 1.1
What lappie?
Posted by: Major Disaster
Check out www.usbman.com for USB tips. If you need to find out what USB controller the laptop has, install Sisoft Sandra, Aida32 or some other free HW diagnostic.
Also, power management can be butting in, or maybe the laptop has some kind of CPU throttling feature... you may want to disable power management stuff and see if the problem goes away.
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