--- sox-14.3.1.ebuild.old	2010-05-19 13:34:15.000000000 +0200
+++ sox-14.3.1.ebuild	2010-05-19 13:40:13.000000000 +0200
@@ -56,7 +56,9 @@
 		$(use_with ladspa) \
 		$(use_with id3tag) \
 		$(use_with amr amrwb) \
+		$(use_enable amr dl-amrwb) \
 		$(use_with amr amrnb) \
+		$(use_enable amr dl-amrnb) \
 		$(use_with png) \
 		$(use_with pulseaudio) \
 		$(use_with wavpack) \