Binding two cards into one requires that they are clock sync'ed. You would
have S/PDIF lock, BNC word clock connection, or (in one obscure case)
sharing a timing crystal on two identical cards.
An easier approach is to use one audio interface with 4 in / 4 out.
On Tue, Sep 9, 2008 at 2:13 PM, Tom Jennings <[EMAIL PROTECTED]> wrote:
> This is a bit of a tangle of a question...
>
> I currently run mixxx with two sound cards: an M-Audio M2496 for mains,
> and a Creative USB "card" for headphones. Works fine -- but what is the
> audio latency story between two dissimilar cards? I swear I can hear a
> difference in timing between the two.
>
> What WOULD be a decent setup for this?
>
>
> The following isn't really a mixxx question, but it's related.
>
> I'd like to use mixxx with jack. My only problem is binding two sounds
> cards into one so that ALSA can interface it to jackd.
>
> I find ALSA's docs on binding two cards into one to be incredibly
> obscure, and I've not succeed in making it work. Most recipes are for
> bindin two high-end cards together word clocks and all, for
> high-performance use; all I want is my M2496 M-Audio card as mains and
> my USB card for headphones -- I know there will be imprecise timing
> between the two outputs, but will it be (1) imperceptible and (2) stable
> within a few clock edges?
>
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