2 files changed, 13 insertions, 0 deletions
diff --git a/lv2/lv2plug.in/ns/ext/atom/atom.h b/lv2/lv2plug.in/ns/ext/atom/atom.h
index 0887790..0716228 100644
--- a/lv2/lv2plug.in/ns/ext/atom/atom.h
+++ b/lv2/lv2plug.in/ns/ext/atom/atom.h
@@ -48,6 +48,7 @@
 #define LV2_ATOM__Property      LV2_ATOM_PREFIX "Property"
 #define LV2_ATOM__Resource      LV2_ATOM_PREFIX "Resource"
 #define LV2_ATOM__Sequence      LV2_ATOM_PREFIX "Sequence"
+#define LV2_ATOM__Sound         LV2_ATOM_PREFIX "Sound"
 #define LV2_ATOM__String        LV2_ATOM_PREFIX "String"
 #define LV2_ATOM__TimeUnit      LV2_ATOM_PREFIX "TimeUnit"
 #define LV2_ATOM__Tuple         LV2_ATOM_PREFIX "Tuple"
diff --git a/lv2/lv2plug.in/ns/ext/atom/atom.ttl b/lv2/lv2plug.in/ns/ext/atom/atom.ttl
index ed52a5e..7175ade 100644
--- a/lv2/lv2plug.in/ns/ext/atom/atom.ttl
+++ b/lv2/lv2plug.in/ns/ext/atom/atom.ttl
@@ -352,6 +352,18 @@ the same context so outputs can contain IDs that correspond to IDs of blanks in
 the input.</p>
 """ .
 
+atom:Sound
+	a rdfs:Class ;
+	rdfs:subClassOf atom:Vector ;
+	rdfs:label "Sound" ;
+	atom:cType "LV2_Atom_Sound" ;
+	lv2:documentation """
+<p>An atom:Vector of atom:Float which represents an audio waveform.  The format
+is the same as the buffer format for lv2:AudioPort (except the size may be
+arbitrary).  An atom:Sound inherently depends on the sample rate, which is
+assumed to be known.</p>
+""" .
+
 atom:TimeUnit
 	a rdfs:Class ;
 	rdfs:label "Time Unit" ;