On Fri, Aug 12, 2011 at 12:07:18AM +0800, Colin Guthrie wrote: > 'Twas brillig, and Lu Guanqun at 11/08/11 17:20 did gyre and gimble: > > Hi Ashwani, > > > > On Thu, Aug 11, 2011 at 11:02:41PM +0800, Pierre-Louis Bossart wrote: > >>> I am attaching the pulseaudio usb mic delay log. > >>> When I am running gst-launch-0.10 ! pulsesrc ! pulsesink on pandaboard > >>> getting around 2-3 sec. on the fly audio delay. > >>> > >>> Please suggest how to resolve this problem. > >> > >> 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. Waiting Pierre to clarify. ;) I once played with the buffer time and latency time on gstreamer, it could reduce the delay to some extent. -- guanqun
