diff --git a/wsdl/ver10/schema/onvif.xsd b/wsdl/ver10/schema/onvif.xsd
index 697a1f181..0ac9d2890 100755
--- a/wsdl/ver10/schema/onvif.xsd
+++ b/wsdl/ver10/schema/onvif.xsd
@@ -1124,6 +1124,13 @@ IN NO EVENT WILL THE CORPORATION OR ITS MEMBERS OR THEIR AFFILIATES BE LIABLE FO
 					<xs:documentation>the maximum output bitrate in kbps</xs:documentation>
 				</xs:annotation>
 			</xs:element>
+			<xs:element name="AverageBitRate" type="xs:int">
+				<xs:annotation>
+					<xs:documentation>The target average output bitrate in kbps. If this parameter is set to 0, AverageBitRate shall be ignored.</xs:documentation>
+					<xs:documentation>If this parameter is configured beyond BitrateLimit, device adapts to BitrateLimit.</xs:documentation>
+					<xs:documentation>When this parameter is set to a non-zero value, ConstantBitRate shall be ignored.</xs:documentation>
+				</xs:annotation>
+			</xs:element>
 			<xs:any namespace="##any" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>   <!-- first ONVIF then Vendor -->
 		</xs:sequence>
 		<xs:attribute name="ConstantBitRate" type="xs:boolean">
@@ -1183,6 +1190,11 @@ IN NO EVENT WILL THE CORPORATION OR ITS MEMBERS OR THEIR AFFILIATES BE LIABLE FO
 				<xs:documentation>Signal whether enforcing constant bitrate is supported.</xs:documentation>
 			</xs:annotation>
 		</xs:attribute>
+		<xs:attribute name="AverageBitRateSupported" type="xs:boolean">
+			<xs:annotation>
+				<xs:documentation>Signal whether enforcing average bitrate is supported.</xs:documentation>
+			</xs:annotation>
+		</xs:attribute>
 		<xs:attribute name="GuaranteedFrameRateSupported" type="xs:boolean">
 			<xs:annotation>
 				<xs:documentation>