diff options
| author | Alexandre Ratchov <ratchov@cvs.openbsd.org> | 2011-06-03 16:20:11 +0000 |
|---|---|---|
| committer | Alexandre Ratchov <ratchov@cvs.openbsd.org> | 2011-06-03 16:20:11 +0000 |
| commit | 33aa3b42fe067873a4d66eafddf0196d2039cc0c (patch) | |
| tree | a2719d7ad95289987c2f106daae460b2157bf7c1 /usr.bin/aucat | |
| parent | 0c37d1b0ed78fb98f91e9e3e44bbefaf9795c052 (diff) | |
Clarify that the ratio between sample rate and block size
is the MTC clock rate. Suggested by Alexey Suslikov
Diffstat (limited to 'usr.bin/aucat')
| -rw-r--r-- | usr.bin/aucat/aucat.1 | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/usr.bin/aucat/aucat.1 b/usr.bin/aucat/aucat.1 index 7d89ddba038..bae846a6688 100644 --- a/usr.bin/aucat/aucat.1 +++ b/usr.bin/aucat/aucat.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: aucat.1,v 1.83 2011/06/03 09:01:14 ratchov Exp $ +.\" $OpenBSD: aucat.1,v 1.84 2011/06/03 16:20:10 ratchov Exp $ .\" .\" Copyright (c) 2006 Alexandre Ratchov <alex@caoua.org> .\" @@ -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: |