On Mon, Sep 17, 2007 at 08:44:03PM +0100, John Rigg wrote: > On Mon, Sep 17, 2007 at 12:22:19PM +0200, Ludovico Verducci wrote: > > Hello all! > > > > I'm developing a complex multichannel audio distribution system where > > multiple linux boxes will stream audio data over ethernet and then > > should play audio at sample level resolution synchronization. The boxes > > clocks are synchronized over ethernet using PTP. > > I need to keep in synch the audio board's clocks and I can't use an > > external wordclock nor s/pdif. > > Won't this cause serious clock jitter problems? I don't see how the > PCI bus can deliver precise enough timing, considering how much other > data it has to handle. And I can't see any way that the clocks can be synced to sample accuracy over ethernet. That's what external word clocks are for. Even with a word clock I suspect that the latency of the ethernet connection would be too high to allow sample accurate sync of the audio. John _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
