[pulseaudio-discuss] Add delay to a sink

Oliver Konz mail at oliverkonz.de
Wed Sep 15 13:20:44 PDT 2010

> 'Twas brillig, and Oliver Konz at 15/09/10 13:54 did gyre and gimble:
> > Hi all!
> >
> > I'm new to this discussion group - so, sorry if this has been already
> > discussed... (However I couldn't find anything in the archives.)
> >
> > I want to playpack audio with mpd in multiple rooms. To achieve this I
> > have defined two outputs in mpd: A local PulseAudio sink and another
> > remote PulseAudio sink. I can turn the outputs on and off - works like a
> > charm!
> > The problem is that I have a slight delay between the local and the
> > network audio, which results in an echo effect.
> >
> > I do not expect network audio to work without delay, but is there a way
> > to add a delay to the local sink to compensate this?
> Could you perhaps do your output slightly differently?
> e.g. perhaps you could do the following:
> 1. Setup 1 output in mpd: the local PA server.
> 2. Setup a tunnel in local PA to the remote one, thus two sinks.
> 3. Add a combined sink locally, that connects local sink + tunnel sink.
> This way you can just output the mpd to the local PA server and then
> just use PA tools (pavucontrol) to move the stream from local, to remote
> to combined.
> This way PA will be in charge for the whole loop and may make a better
> job at synchronisation.
> Col

Thank you for your help! That did the trick! :-)


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