[PlanetCCRMA] multi card fc2

Sean Edwards cybersean3000@yahoo.com
Fri Jan 14 07:38:01 2005


Do you have any multimedia plugins for your browser? 
It could be that one of the plug-ins or does not play
well with alsa, or the multi-media features of your
browser in general conflicts with alsa.  Have you
tried setting your browser to use an alsa utility for
multimedia, such as alsaplayer? 

-=Sean Edwards=-

--- Mark Knecht <markknecht@gmail.com> wrote:

> On Fri, 14 Jan 2005 11:50:39 +0100, Björn Elenfors
> <bjoele@gmail.com> wrote:
> > >
> > > JACK will only handle them via alsa pretending
> that they are a single
> > > virtual card. Some people have had problems with
> this, the sync has to be
> > > very tight to avoid problems, and it isn't
> always on consumer cards.
> > 
> > Do I understand this discussion right if I think
> that JACK cannot
> > handle multiple cards in a good way?
> > 
> > My Ardour-computer is using a ST Audio DSP2000
> C-Port which works fine
> > for audio but MIDI is not working. I'm considering
> using a separate
> > card (possibly via USB) for the MIDI needs, but
> perhaps this will not
> > work?
> > 
> > /Björn
> 
> MIDI is not a problem. You can have lots of MIDI
> interfaces and it
> should work fine. I've routinely used two but
> there's no reason I know
> of that you cannot have more.
> 
> No operating system can handle multiple audio cards
> and keep the audio
> in sync withoput hardware support in the cards
> designed to do it. That
> requires hardware support between the cards that is
> beyond the
> capabilities of 'PC sound card' prices, but comes on
> the higher priced
> cards like most from RME. If you are purchasing in
> the future then
> look for keywords like 'Word Clock' or 'ADAT sync'
> for a high degree
> of certainty that two cards can be synced to each
> other. (Do NOT
> purchase based on this description alone!) In my
> case I sync 3
> machines, 2 with sound cards and a 3rd external
> sound box (DigiDesign
> 002 Rack) using the ADAT clock (not ADAT sync)  and
> it works very well
> except for Alsa letting Mozilla mess around with the
> RME's clock when
> I'm browsing which messes things up.
> 
> [QUESTION] Can anyone tell me why Mozilla should be
> able to change the
> clock frequency of the sound card anyway????
> [/QUESTION]
> 
> - Mark
> 
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