[linux-audio-user] parameters needed for managing

Fernando Pablo Lopez-Lezcano nando at ccrma.Stanford.EDU
Thu Jun 10 17:48:57 EDT 2004


> I'm here again to bother you guys on this nice mailing list: I configured
> BruteFir that, as Robert supposed, can handle more than one soundcard.
> I can run BruteFir, but I have a problem: when I activate more than one
> soundcard by BruteFir I can hear some "POPS" coming out from my speaker.
> Everything is fine activating only one soundcard.
> 
> The soundcards are properly installed and connected by internal wordclock
> cable: so two cards are slaved to the master one clock (this is done by HW
> settings, I cannot find any information about how to set one card as master
> and others as slaves, which is required, for example, under Windows).
> A CD player is connected to S/Pdif input of master soundcard, and this card
> is setted up by Envy24 Control utility to generate internally a 44100Hz
> clock, while others inputs are empty.
> 
> I tried to set the card to get the clock signal form s/pdif, but BruteFir
> returns a "broken pipe error" with this setup.
> This setting can be made only on one card by Envy24 Control utility: I do
> not know if it is normal dueing to internal clockword connection between
> cards.

It is not completely clear to me if you have run envy24control on the
other two cards to set them to slave to wordclock. Envy24control can be
directed to use a particular card with the "-c x" parameter, where x is
0 for the first card, 1 for the second and so on and so forth. 

-- Fernando





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