.B \-p
Play channel through audio system
.TP
+.B \-m
+Demean: subtract the mean of the samples from each sample. Selecting this
+option automatically sets the
+.B \-z
+ option.
+.TP
+.B \-z
+Scale the .wav file output with preservation of the zero value
+.TP
.B \-v
Verbose mode
.TP