[pulseaudio-discuss] My attempt to reduce latency with pacat and tvtime

Pierre-Louis Bossart pierre-louis.bossart at linux.intel.com
Tue Mar 27 10:16:07 PDT 2012

On 3/26/2012 11:54 PM, Steven Elliott wrote:
> I use tvtime (an open source TV application) to watch TV on my Fedora 16
> system.  As some of you may know forwarding audio from the sound card
> built into the TV tuner card to the primary sound card is not done by
> tvtime.  There are various ways of forwarding the audio including SoX,
> module-loopback, etc. but I've had the best luck (least latency) using
> pacat in a manner similar to what this webpage describes:
> http://thelinuxexperiment.com/guinea-pigs/tyler-b/fix-pulseaudio-loopback-delay/
> But with a change that I've made to pacat that I'd like to share in case
> it's helpful.

Why not use module-loopback with latency set to a low value? Worked well 
when I last used it.

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