Re: [LAU] recommendations for usb sound card?

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To: <linux-audio-user@...>
Date: Sunday, March 9, 2008 - 12:21 pm

On Sunday 09 March 2008 12:12:24 Hartmut Noack wrote:

You should be able to achieve much better latencies than that, even with the
U-Control.
I can run all my USB devices, including the crappy UCA 202, at 4ms latency
(48000/64/3). I don't get any xruns, except when starting some JACK clients
(but there a higher latency doesn't help much either).
This is with a -rt kernel, of course, and tuning the IRQ priorities with chrt
made a huge difference. I got the best results when I increased the
priorities for rtc and usb, but not for the machine's built-in soundcard
(which I don't use at the same time).

Dominic
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Messages in current thread:
[LAU] recommendations for usb sound card?, James Stone, (Sat Mar 8, 7:58 am)
Re: [LAU] recommendations for usb sound card?, Alex Polite, (Mon Mar 10, 3:19 pm)
Re: [LAU] recommendations for usb sound card?, Clemens Ladisch, (Mon Mar 10, 3:54 pm)
Re: [LAU] recommendations for usb sound card?, Bill Allen, (Sat Mar 15, 5:18 pm)
Re: [LAU] recommendations for usb sound card?, Clemens Ladisch, (Mon Mar 17, 8:16 am)
Re: [LAU] recommendations for usb sound card?, Bill Allen, (Mon Mar 17, 10:50 pm)
Re: [LAU] recommendations for usb sound card?, Clemens Ladisch, (Tue Mar 18, 8:43 am)
Re: [LAU] recommendations for usb sound card?, Bill Allen, (Wed Mar 19, 1:38 am)
Re: [LAU] recommendations for usb sound card?, Clemens Ladisch, (Wed Mar 19, 8:01 am)
Re: [LAU] recommendations for usb sound card?, Bill Allen, (Wed Mar 19, 10:37 pm)
Re: [LAU] recommendations for usb sound card?, Clemens Ladisch, (Thu Mar 20, 8:09 am)
Re: [LAU] recommendations for usb sound card?, Bill Allen, (Sun Mar 16, 6:15 pm)
Re: [LAU] recommendations for usb sound card?, Sharp Hall, (Sat Mar 15, 5:28 pm)
Re: [LAU] recommendations for usb sound card?, Fons Adriaensen, (Sat Mar 15, 6:06 pm)
Re: [LAU] recommendations for usb sound card?, Lee Revell, (Sun Mar 9, 12:03 am)
Re: [LAU] recommendations for usb sound card?, James Stone, (Sun Mar 9, 8:15 am)
Re: [LAU] recommendations for usb sound card?, Lee Revell, (Mon Mar 10, 5:56 pm)
Re: [LAU] recommendations for usb sound card?, James Stone, (Mon Mar 10, 7:53 pm)
Re: [LAU] recommendations for usb sound card?, Paul Davis, (Mon Mar 10, 8:37 pm)
Re: [LAU] recommendations for usb sound card?, Lee Revell, (Tue Mar 11, 12:30 am)
Re: [LAU] recommendations for usb sound card?, James Stone, (Tue Mar 11, 10:37 pm)
Re: [LAU] recommendations for usb sound card?, Frank Barknecht, (Sat Mar 8, 10:32 am)
Re: [LAU] recommendations for usb sound card?, James Stone, (Sun Mar 9, 7:33 am)
Re: [LAU] recommendations for usb sound card?, Frank Barknecht, (Sun Mar 9, 10:12 am)
Re: [LAU] recommendations for usb sound card?, Hartmut Noack, (Sun Mar 9, 11:13 am)
Re: [LAU] recommendations for usb sound card?, Frank Barknecht, (Sun Mar 9, 2:27 pm)
Re: [LAU] recommendations for usb sound card?, Paul Winkler, (Sun Mar 9, 4:38 pm)
Re: [LAU] recommendations for usb sound card?, Arnold Krille, (Sun Mar 9, 5:48 pm)
Re: [LAU] recommendations for usb sound card?, Paul Winkler, (Sun Mar 9, 6:19 pm)
Re: [LAU] recommendations for usb sound card?, Pieter Palmers, (Mon Mar 10, 10:31 am)
Re: [LAU] recommendations for usb sound card?, Dominic , (Sun Mar 9, 12:21 pm)
Re: [LAU] recommendations for usb sound card?, Thomas Skellund, (Sat Mar 8, 8:45 am)