[pulseaudio-discuss] Need help to reduce delay with USB, mic using pulseaudio

Pierre-Louis Bossart pierre-louis.bossart at linux.intel.com
Thu Aug 11 10:48:38 PDT 2011

> >> Use module-loopback and play with the latency parameters.
> >
> > In case you don't know what the latency parameters are, on the
> > gst-launch line, you can append these parameters: e.g.
> >
> > gst-launch-0.10 pulsesrc buffer-time=<xxxx> latency-time=<xxxx> !
> > pulsesink buffer-time=<xxxx> latency-time=<xxxx>
> >
> I suspect Pierre was referring to the latency_usec param on module-
> loopback.

Correct. Providing data to a client and back isn't the most efficient thing
to do if you can handle this in IO threads.

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