> Too bad. Using PA is convenient, as it's already integrated into most > distros. And I am apparently misinterpreting the PA claim "Good low > latency behaviour" -- but I guess that this depending on the definition > of low latency... > > Dedicated box means that this PC is a prototype for some real-world HW > DSP device which the software will later be moved to. Working on a linux > application clearly helps development, debugging and observability. > > Perhaps it's best to approach ALSA directly for the lowest latency. Have > I understood it correctly that PA emulates ALSA, so I need to disable PA > for that particular sound device before I can access it directly? You can reach 40ms of latency by inserting your filter in the PulseAudio real-time threads. You can look at loopback and virtual sinks/sources for examples. -Pierre
