On Fri, Jun 03, 2011 at 06:03:32PM +0300, Alexey Suslikov wrote: > On Fri, Jun 3, 2011 at 17:45, Alexandre Ratchov <a...@caoua.org> wrote: > > On Fri, Jun 03, 2011 at 02:10:37PM +0300, Alexey Suslikov wrote: > >> Hello tech@. > >> > >> aucat(1) manual says: > >> > >> Streams created with the -t option export the server clock using MTC, > >> allowing non-audio software or hardware to be synchronized to the audio > >> stream. The following sample rates (-r) and block sizes (-z) are > >> recommended for maximum accuracy: > >> > >> o 44100Hz, 441 frames > >> o 48000Hz, 400 frames > >> o 48000Hz, 480 frames > >> o 48000Hz, 500 frames > >> > >> For me, it was unclear why manual suggests different block sizes > >> for one frequency until I understood MTC resolution being 96, 100 > >> or 120 which is described much earlier in the manual. > >> > >> This is because I expected a bit self-explanatory text here so I can > >> think "aha, I saw these numbers earlier" or "ok, let's search why > >> these are 96, 100 and 120". Something like > >> > >> o 44100Hz, 441 frames (MTC resolution is 100) > >> o 48000Hz, 400 frames (MTC resolution is 120) > >> o 48000Hz, 480 frames (MTC resolution is 100) > >> o 48000Hz, 500 frames (MTC resolution is 96) > >> > > > > ok, what about the diff below? > > For me, it's clearer. > > You use Hz across diff, but -z description tells about "ticks per > second". Is that on purpose?
both are the same, Hz is shorter. It's similar to the sample rate, frames per secord or Hz. -- Alexandre
