On Thu, Sep 19, 2013 at 06:46:11PM +1000, Patrick Shirkey wrote: > jack_system (in) -> pa_source (in) -> audacity (in) -> audacity (out) -> > pa sink (out) -> jack_system (out) > > Audacity is run in pass through mode with internal latency set to 0. > > I would like to measure the round trip latency from jack_system (in) to > jack_system (out) Easy using jack_delay. 1. Measure the round-trip latency of your sound card (with an external analog loop). 2. Measure jack_delay -> pa_source -> audacity -> pa_sink -> jack_delay. 3. If pa_source and pa_sink are a single Jack client (probably not), subtract one period from the result of (2). 4. Add the two values. Ciao, -- FA A world of exhaustive, reliable metadata would be an utopia. It's also a pipe-dream, founded on self-delusion, nerd hubris and hysterically inflated market opportunities. (Cory Doctorow) _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
