--- /dev/null
+option "device" d
+#~~~~~~~~~~~~~~~~
+"set PCM device"
+string typestr="device"
+default="default"
+optional
+details="
+ On systems with dmix, a better choice than the default
+ value might be to use \"plug:swmix\".
+"
+
+option "channels" c
+#~~~~~~~~~~~~~~~~~~
+"specify number of channels"
+int typestr="num"
+default="2"
+optional
+details="
+ This option is only necessary for playing raw audio with
+ para_write. In all other cases (plaing wav files with
+ para_write or using this writer with para_audiod), the number
+ of channels will be obtained from other resources.
+"
+
+option "samplerate" s
+#~~~~~~~~~~~~~~~~~~~~~
+"force given sample rate"
+int typestr="num"
+default="44100"
+optional
+details="
+ Again, it is only necessary to specify this when playing raw
+ audio with para_write.
+"