Play channel through audio system
.TP
.B \-m
-Demean: subtract the mean of the samples from each sample.
+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 without preserving the zero value
+Scale the .wav file output with preservation of the zero value
.TP
.B \-v
Verbose mode