'Twas brillig, and Mark Brown at 18/01/11 11:51 did gyre and gimble: > If you play a new message notification over a movie then if the > notification is an MP3 at 44.1kHz and the movie is at 48kHz you need SRC > as well as mixing, and even on a phone you may want to route things to > different sets of outputs simultaneously (eg, music to headphones and > ringtone to headphones plus speaker). There's also the simple argument > that if your hardware is capable of offloading some of the DSP work from > the CPU more efficiently than the CPU can do it itself that's a win. Without wanting to fork this thread, I think the routing is separate from the SRC stuff (unless the hardware is suitably outsmarting us here!) Col -- Colin Guthrie gmane(at)colin.guthr.ie http://colin.guthr.ie/ Day Job: Tribalogic Limited [http://www.tribalogic.net/] Open Source: Mageia Contributor [http://www.mageia.org/] PulseAudio Hacker [http://www.pulseaudio.org/] Trac Hacker [http://trac.edgewall.org/]