Subject: Re: [linux-audio-user] RE: [Ardour-users] Re: [Alsa-devel] usb audio sound quality
From: Patrick Shirkey (pshirkey_AT_boosthardware.com)
Date: Sat Nov 09 2002 - 23:15:19 EET
Steve Harris wrote:
>
> Yes, it sounds to me like you just had too many interupts going on,
> running your AGP card at x4 will generate a lot of interupts and running
> your USB sounds device at low latency will generate a lot of interupts.
>
Unfortunately I now have crappy rendering for dvds :(
> So my guess is that you could have one of these things going flat out but
> not both.
>
It seems to be that way. Although before I managed to fall asleep
yesterday I noticed that my machine was not maintaining irq settings
between boots. Now I have to get irqtune running but for some reason it
doesn't want to work ATM. [He says at 6:30 on Saturday morning after
being at a bar all night].
> Do USB devices generate more interrupts per period than PCI? I think all
> my machines are running AGP x2 at most.
>
It would appear that is the case.
-- Patrick Shirkey - Boost Hardware Ltd. For the discerning hardware connoisseur 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
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