Simple answer is Higher latency should equal more time for the computer to process the audio. This all depends on how CPU starved the process may be due to other higher priority processes.

Which leads me to is JACK running in realtime mode? Do you have a real time kernel? (not always easy, Ubuntu doesn't ship one any more in the normal repos for example).

On 18/09/14 15:06, Rob Landry wrote:

I have a client who, for lack of a budget, has to run an old Dell Optiplex GX280 as a Rivendell playback machine for a student radio station. The station is Internet-only, and the machine is running JACK and icecast.

I'm seeing occasional xruns. I've tried fiddling with the JACK setup but have no idea what effect adjusting the parameters should have. I see the latency go up and down, but no effect on the xruns.

What are the optimum JACK settings for this sort of thing?


Rob

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