Signals are specified by their full C name, i.e. \fBSIGINT\fR and not \fBINT\fR
or \fBInterrupted\fR or whatever.
.TP
+.B sox_generation \fB0\fR|\fB1
+Determines whether calls to \fBsox\fR(1) should use \fB-b\fR, \fB-x\fR, etc (if
+the generation is 0) or \fB-\fIbits\fR, \fB-L\fR etc (if it is 1). The default
+is 0.
+.TP
.B speaker_command \fICOMMAND
Causes the speaker subprocess to pipe audio data into shell command
\fICOMMAND\fR, rather than writing to a local sound card. The sample format is