diff --git a/src/main/data/audioconfigs.json b/src/main/data/audioconfigs.json
index 708ed19a..46a22223 100644
--- a/src/main/data/audioconfigs.json
+++ b/src/main/data/audioconfigs.json
@@ -184,17 +184,25 @@
     "dcncCode": "ATMOS",
     "dcncSortOrder": 11,
     "description": "Dolby ATMOS Immersive Audio",
-    "note": "Deprecated. The IAB code should be used instead."
+    "note": "Deprecated. The IAB code should be used instead.",
+    "obsolete": true,
+    "obsoletedBy": [
+      "IAB"
+    ]
   },
   {
     "dcncCode": "AURO",
     "dcncSortOrder": 12,
-    "description": "Barco AURO Immersive Audio"
+    "description": "Barco AURO Immersive Audio",
+    "note": "Deprecated label and bitstream.",
+    "obsolete": true
   },
   {
     "dcncCode": "DTSX",
     "dcncSortOrder": 13,
-    "description": "DTS:X Immersive Audio"
+    "description": "DTS:X Immersive Audio",
+    "note": "Deprecated label and bitstream.",
+    "obsolete": true
   },
   {
     "cplMetadata": {
diff --git a/src/main/schemas/audioconfigs.schema.json b/src/main/schemas/audioconfigs.schema.json
index dfbfa192..532d78bd 100644
--- a/src/main/schemas/audioconfigs.schema.json
+++ b/src/main/schemas/audioconfigs.schema.json
@@ -1,6 +1,6 @@
 {
   "$schema": "http://json-schema.org/schema#",
-  "$id": "http://isdcf.com/ns/json-schemas/registries/audioconfigs/1.0.0-beta.1",
+  "$id": "http://isdcf.com/ns/json-schemas/registries/audioconfigs/1.0.1",
   "$comment": "Copyright, ISDCF <info@isdcf.com>",
   "title": "Schema for the Audio Configurations Registry of the ISDCF",
   "definitions": {
@@ -72,6 +72,16 @@
       "description": {
         "type": "string"
       },
+      "obsolete": {
+        "type": "boolean",
+        "const": true
+      },
+      "obsoletedBy": {
+        "type": "array",
+        "uniqueItems" : true,
+        "minItems": 1,
+        "items": { "$ref": "#/definitions/dcncCode" }
+      },
       "cplMetadata": {
         "$ref": "#/definitions/cplMetadata"
       },