On 07/08/2012 07:19 AM, Tanu Kaskinen wrote: > On Sun, 2012-07-08 at 00:42 +0100, Marius Bj?rnstad wrote: >> Hi, >> >> I would like to play the same sound to my speakers and headphones, so >> "switching" between them is just a matter of turning on/off the >> speakers. When I use module-combine-sink to combine two sound cards, the >> virtual sink gets a latency of approximately 200 ms -- very high for >> VoIP usage. If I send the stream to either of the sound cards >> separately, the latency is just 0.5 ms and ~15 ms. Is there a way to >> reduce the latency for module-combine-sinks ? > Apparently not - there are no module arguments for controlling the > latency. module-combine-sink.c has the constant BLOCK_USEC, which is > defined to be 200 ms, so apparently the latency is determined by that > constant. It wouldn't be hard to make that configurable. > Hi, Thanks for the reply. It works perfectly to change the number in BLOCK_USEC, I now have much lower latency (haven't tried a conversation yet, but I'm sure it will be fine). Marius -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 262 bytes Desc: OpenPGP digital signature URL: <http://lists.freedesktop.org/archives/pulseaudio-discuss/attachments/20120708/5cfbcf88/attachment.pgp>
