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-rw-r--r--Documentation/dtas-xdelay.txt19
1 files changed, 13 insertions, 6 deletions
diff --git a/Documentation/dtas-xdelay.txt b/Documentation/dtas-xdelay.txt
index 255dcde..b712800 100644
--- a/Documentation/dtas-xdelay.txt
+++ b/Documentation/dtas-xdelay.txt
@@ -40,17 +40,24 @@ To set this via dtas-player to delay the high frequencies by 20ms.
 
 # ENVIRONMENT
 
-SOXFMT - this environment is automatically set if used as a dtas-player
-sink
+SOXFMT, CHANNELS - these environment variables are automatically set if
+used as a dtas-player sink
 
 DTAS_PLAYER_SOCK - the path to the dtas-player control socket.
 This defaults to ~/.dtas/player.sock
 
+AUDIODEV, AUDIODRIVER - these influence the device/driver used by play(1)
+Consult play(1) for details.
+
+SOX_OPTS - this influences options passed to sox(1) or play(1)
+Consult sox(1) for details.
+
 # NOTES
 
-The author of this knows little about signal processing and is just
-parroting things he's learned on the sox documentation and mailing list.
-Corrections greatly appreciated (email Eric Wong e@80x24.org)
+The author of this (Eric Wong) knows little about signal processing and
+is just parroting things he's learned on the sox documentation and
+mailing list.  Corrections to the <dtas-all@nongnu.org> mailing list are
+greatly appreciated.
 
 # CONTACT
 
@@ -65,4 +72,4 @@ License: GPLv3 or later <http://www.gnu.org/licenses/gpl-3.0.txt>
 
 # SEE ALSO
 
-dtas-player(1), dtas-player_protocol(7), dtas-ctl(1), sox(1)
+dtas-player(1), dtas-player_protocol(7), dtas-ctl(1), sox(1), play(1)