diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index f0f10ef66..ef7a53717 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -296,9 +296,11 @@ interface MediaTrackConstraints extends MediaTrackConstraintSet {
 }
 
 interface MediaTrackConstraintSet {
+    echoCancellation?: boolean | ConstrainBooleanParameters;
+    channelCount?: long | ConstrainLongRange;
+    latency?: double | ConstrainDoubleRange;
     aspectRatio?: number | ConstrainDoubleRange;
     deviceId?: string | string[] | ConstrainDOMStringParameters;
-    echoCancelation?: boolean | ConstrainBooleanParameters;
     facingMode?: string | string[] | ConstrainDOMStringParameters;
     frameRate?: number | ConstrainDoubleRange;
     groupId?: string | string[] | ConstrainDOMStringParameters;
diff --git a/inputfiles/addedTypes.json b/inputfiles/addedTypes.json
index 7138f0871..87c4edd05 100644
--- a/inputfiles/addedTypes.json
+++ b/inputfiles/addedTypes.json
@@ -1764,5 +1764,23 @@
         "constructorSignatures": ["new(): HTMLSummaryElement"],
         "extends": "HTMLElement",
         "flavor": "DOM"
+    },
+    {
+        "kind": "property",
+        "interface": "MediaTrackConstraintSet",
+        "name": "echoCancellation?",
+        "type": "boolean | ConstrainBooleanParameters"
+    },
+    {
+        "kind": "property",
+        "interface": "MediaTrackConstraintSet",
+        "name": "channelCount?",
+        "type": "long | ConstrainLongRange"
+    },
+    {
+        "kind": "property",
+        "interface": "MediaTrackConstraintSet",
+        "name": "latency?",
+        "type": "double | ConstrainDoubleRange"
     }
 ]
diff --git a/inputfiles/removedTypes.json b/inputfiles/removedTypes.json
index 9168ace44..37c87989d 100644
--- a/inputfiles/removedTypes.json
+++ b/inputfiles/removedTypes.json
@@ -77,5 +77,10 @@
     {
         "kind": "typedef",
         "name": "JSON"
+    },
+    {
+        "kind": "property",
+        "interface": "MediaTrackConstraintSet",
+        "name": "echoCancelation"
     }
 ]