[LAU] ALSA and RME Raydat troubleshooting

Vaclav Mach vaclav.mach at artisys.aero
Thu Oct 23 10:36:23 UTC 2014

Does JACK cause any additional buffering/latency in the signal flow in
comparison with pure ALSA? We have to take care of the lowest latency as

On 10/22/2014 02:17 PM, Paul Davis wrote:
> On Wed, Oct 22, 2014 at 5:39 AM, Vaclav Mach <vaclav.mach at artisys.aero
> <mailto:vaclav.mach at artisys.aero>> wrote:
>     we have a bad experience with Jack: we were running jack on a computer
>     with external and internal sound cards simultaneously. Jack was
>     complaining that there is no clock sync (since there is no clock sync
>     possibility on internal HDA / sound blaster sound cards).
> sure, but this doesn't have anything to do with your current issue or
> the system design you are using.
> JACK is perfectly capable of using any number of audio interfaces
> whether they are clock synced or not. It just isn't a good idea and
> isn't how a professional system would be built. It also isn't done by
> using the -P and -C arguments to the backend, because this doesn't do
> any resampling to keep the streams synchronized, but by using bridge
> clients like zita_a2j.

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