+option "blocksize" b
+#~~~~~~~~~~~~~~~~~~~
+"adjust block size"
+int typestr="number"
+default="15"
+optional
+details = "
+ Larger blocksize means fewer volume adjustments per time unit.
+"
+
+option "aggressiveness" a
+#~~~~~~~~~~~~~~~~~~~~~~~~
+ "controls the maximum amount to amplify by"
+int typestr="number"
+default="4"
+optional
+
+option "inertia" i
+#~~~~~~~~~~~~~~~~~
+ "how much inertia ramping has"
+ int typestr="number"
+default="6"
+optional
+
+option "target_level" t
+#~~~~~~~~~~~~~~~~~~~~~~
+"target signal level (0-32768)"
+int typestr="number"
+default="20000"
+optional
+
+option "damp" d
+#~~~~~~~~~~~~~~
+"if non-zero, scale down after normalizing"
+int typestr="number"
+default="0"
+optional