Thanks Len,

in my case I am using my laptop's HDMI as output and the built-in
HDAIntel card as input. Do you know if there's a way to tell if they are
synced internally or will I have to test and wait for the occasional
click?

Thanks again,
Peter

* Len Ovens <len@ovenwerks.net> [2023-12-04 04:31]:
> On Sat, 2 Dec 2023, Peter P. wrote:
>
> > I discovered that jackd can use different devices for input and output,
> > which is great! I am wondering if there will be the occasional click if
> > these two devices do not have synchronized word clocks? Or is there some
> > clever (resampling?) going on behind the scenes?
>
> No resampling, some internal sound cards use different devices for input and
> output but are synced anyway. For example internal speakers and external mic
> or HDMI anything. If you wish to use two unsynced devices use the more
> important one as your jack master and then use alsa_in or alsa_out for the
> other (alsa_in/out comes with jackd) or use zita-ajbridge for better
> quality.
>
> --
> Len Ovens
> www.ovenwerks.net
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