From 489fe436c3bdd393db7253aafcb184ee76199ecc Mon Sep 17 00:00:00 2001 From: Alexandre Ratchov Date: Fri, 3 Jun 2011 18:20:51 +0200 Subject: [PATCH] Clarify that the ratio between sample rate and the block size is the MTC clock rate. Suggested by Alexey Suslikov --- aucat/aucat.1 | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/aucat/aucat.1 b/aucat/aucat.1 index 5a2888d..f0a1a64 100644 --- a/aucat/aucat.1 +++ b/aucat/aucat.1 @@ -517,21 +517,23 @@ Streams created with the .Fl t option export the server clock using MTC, allowing non-audio software or hardware to be synchronized to the audio stream. +Maximum accuracy is achieved when the number of blocks per +second is equal to one of the standard MTC clock rates (96, 100 and 120Hz). The following sample rates .Pq Fl r and block sizes .Pq Fl z -are recommended for maximum accuracy: +are recommended: .Pp .Bl -bullet -offset indent -compact .It -44100Hz, 441 frames +44100Hz, 441 frames (MTC rate is 100Hz) .It -48000Hz, 400 frames +48000Hz, 400 frames (MTC rate is 120Hz) .It -48000Hz, 480 frames +48000Hz, 480 frames (MTC rate is 100Hz) .It -48000Hz, 500 frames +48000Hz, 500 frames (MTC rate is 96Hz) .El .Pp For instance, the following command will create two devices: