[linux-audio-user] 2 audio cards with Red Hat 9.0?

Russell Hanaghan hanaghan at starband.net
Sun May 2 17:11:47 EDT 2004


On Sun, 2004-05-02 at 09:41, James Stone wrote:
> On Sun, May 02, 2004 at 11:13:14AM -0500, millward wrote:
> > Is there a way for Red Hat 9.0 to switch
> > between two different sound cards?
> > I've got an ASUS A7N8X motherboard that
> > has on-board audio. It's a Realtek ALC650
> > 6CH with built-in HP amplifier.
> > This is what Red Hat identifies now. I need
> > it for DVD movies and audio CD since it can
> > be connected to my CD-R/DVD-ROM drive.
> > But for recording, I have an Audiofile 2496
> > PCI sound card.
> > It's in the machine now, but Red Hat does not
> > recoginize it. There doesn't seem to be any way
> > for the CD-R/DVD-ROM drive to connect to the
> > Audiofile 2496 PCI sound card.
> > Is there a way for Red Hat 9.0 to recognize 
> > both at the same time, or to switch between them?

If running alsa, you can set up a .asoundrc file that specifies each
card and gives it an alias of your choosing. Then, with either alsa or
jack, you can pick which card for what via the alsa capable app you use.

See the alsa site for documentation on the .asoundrc.

R~
> 
> Are you running alsa? It is relatively simple to have multiple sound
> cards using it. You can make the on board sound card card 1 and then use
> qjackctl to route jack to the audiofile card for audio work... I have
> got the same MB and am using a SBLive! plus the onboard sound (which,
> incidentally has quite good latency at full duplex).
> 
> The MB is a bit annoying in terms of lockups.. as long as you don't
> enable apic you will be okay though.. Also I have a weird problem where
> I have to press the power button twice to get it to switch on.. I would
> be interested to know if you have the same problem?
> 
> James.




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