ref: 6d17ce4e3707629ec730368569aa2af1223b73ac
parent: 4de582002acda1d4ec8cfcf0d6efdcaf0a1245a2
author: robs <robs>
date: Mon Jan 22 03:28:07 EST 2007
add note on --mix vs. mixer
--- a/sox.1
+++ b/sox.1
@@ -1388,7 +1388,15 @@
.TP
\fBmixer\fR [ \fB\-l\fR\^|\^\fB\-r\fR\^|\^\fB\-f\fR\^|\^\fB\-b\fR\^|\^\fB\-1\fR\^|\^\fB\-2\fR\^|\^\fB\-3\fR\^|\^\fB\-4\fR\^|\^\fIn\fR{\fB,\fIn\fR} ]Reduce the number of audio channels by mixing or selecting channels,
-or duplicate channels to increase the number of channels.
+or increase the number of channels by duplicating channels.
+Note: this effect operates on the audio
+.I channels
+within the SoX effects processing chain; it should not be confused with the
+.B \-\-mix
+global option (where multiple
+.I files
+are mix-combined before entering the effects chain).
+.SP
This effect is automatically used when the number of input
channels differ from the number of output channels. When reducing
the number of channels it is possible to manually specify the