Re: [LAU] hardware - Intel CPUs

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To: david <gnome@...>
Cc: linux-audio-user <linux-audio-user@...>
Date: Wednesday, April 16, 2014 - 1:23 pm

On Tue, 15 Apr 2014, david wrote:

> Interesting. What is the difference between speed of sound in air and the

I was talking about through air. I can only play as fast as I can hear and
at thirty feet or so from the sound source, my instrument sounds delayed
from the rest of the band because I hear their sound that much later and
play my part that much later. I don't normally play at that distance, but
ten feet is pretty standard.

> I think the lowest I've had my UCA-202 (USB 1.1) card work at was around

Is that measured round trip? Or one way through the jack part? What sample
rate? (I'm using 48k) I can get qjackctl so it says I have .6ms latency.
But I think that is one way, 1.2ms ... then add ~1 ms each way just to get
through the sound card monitor mixing and maybe a bit more and I have
already three and a half ms. Then I am some distance away from my monitor
too. Perhaps with a newer faster CPU I could run at 96k and work with a FW
device and get the same results. USB is very handy for many things but for
sound it takes some playing around to get a clean low latency set up.

However, it looks like I can still get lots of MB with PCI slots in them.
I will probaly do that. Hopefully with three PCI slots I can get one that
is irq clean.

--
Len Ovens
www.ovenwerks.net

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Messages in current thread:
Re: [LAU] hardware - Intel CPUs, Len Ovens, (Tue Apr 15, 1:22 pm)
Re: [LAU] hardware - Intel CPUs, david, (Wed Apr 16, 7:19 am)
Re: [LAU] hardware - Intel CPUs, Len Ovens, (Wed Apr 16, 1:23 pm)
Re: [LAU] hardware - Intel CPUs, Gene Heskett, (Wed Apr 16, 12:54 pm)
Re: [LAU] hardware - Intel CPUs, Hans Wilmers, (Thu Apr 17, 7:58 pm)
Re: [LAU] hardware - Intel CPUs, Gene Heskett, (Thu Apr 17, 10:16 pm)
Re: [LAU] hardware - Intel CPUs, david, (Thu Apr 17, 8:53 am)
Re: [LAU] hardware - Intel CPUs, Len Ovens, (Thu Apr 17, 8:02 pm)
Re: [LAU] hardware - Intel CPUs, Gene Heskett, (Thu Apr 17, 10:13 am)
Re: [LAU] hardware - Intel CPUs, david, (Thu Apr 17, 8:41 pm)
Re: [LAU] hardware - Intel CPUs, Gene Heskett, (Thu Apr 17, 10:37 pm)
Re: [LAU] hardware - Intel CPUs, david, (Fri Apr 18, 6:41 am)
Re: [LAU] hardware - Intel CPUs, Fons Adriaensen, (Thu Apr 17, 10:35 am)
Re: [LAU] hardware - Intel CPUs, Simon Wise, (Wed Apr 16, 8:20 am)
Re: [LAU] hardware - Intel CPUs, Len Ovens, (Wed Apr 16, 8:57 pm)
Re: [LAU] hardware - Intel CPUs, Jeremy Jongepier, (Wed Apr 16, 9:04 pm)
Re: [LAU] hardware - Intel CPUs, Len Ovens, (Wed Apr 16, 11:39 pm)
Re: [LAU] hardware - Intel CPUs, david, (Thu Apr 17, 8:26 am)
Re: [LAU] hardware - Intel CPUs, Gene Heskett, (Wed Apr 16, 1:21 pm)
Re: [LAU] hardware - Intel CPUs, Simon Wise, (Thu Apr 17, 1:15 am)
Re: [LAU] hardware - Intel CPUs, Gene Heskett, (Thu Apr 17, 2:12 am)
Re: [LAU] hardware - Intel CPUs, Simon Wise, (Thu Apr 17, 2:39 am)
Re: [LAU] hardware - Intel CPUs, Simon Wise, (Wed Apr 16, 8:40 am)