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. -- Tanu
