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

Lu Guanqun guanqun.lu at intel.com
Thu Aug 11 08:20:01 PDT 2011

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>


More information about the pulseaudio-discuss mailing list