Re: [linux-audio-user] terratec aureon 5.1 usb and jack

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Subject: Re: [linux-audio-user] terratec aureon 5.1 usb and jack
From: Frank Barknecht (fbar_AT_footils.org)
Date: Fri Sep 17 2004 - 22:32:53 EEST

Hallo,
Sebastian Gutsfeld hat gesagt: // Sebastian Gutsfeld wrote:

> recently I bought a Terratec Aureon 5.1 USB for my Thinkpad R32 (has an
> Intel 82801CA-ICH3 onboard). The Intel is card 0, the Terratec card 1. I
> have no problems playing some MP3s with xmms or "alsaplayer -d hw:1 -d
> 1024" (although I don't know why I have to use "-f 1024", I just played
> with the parameters) over the Terratec. But whenever I play through jack
> the sound begins to crackle, which is really annoying.
>
> And here is how qjackctl starts jackd:
>
> ,----[ .jackdrc ]
> | /usr/bin/jackstart -R -dalsa -dhw:1 -r48000 -p256 -n2 -S
> `----

Does the crackle go away with higher number of periods (-p512 or
similar)? And did you try playing with -n3, too?

> Kernel 2.4.25 with CAT_SETPCAP patch but no low latency patch.

Not good. You really should consider to use the patch or a 2.6.
kernel.

Ciao 

-- 
 Frank Barknecht                               _ ______footils.org__

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