updata lightx2v

assets/inputs/audio/multi_person/config.json

+{
+    "talk_objects": [
+        {
+            "audio": "p1.mp3",
+            "mask": "p1_mask.png"
+        },
+        {
+            "audio": "p2.mp3",
+            "mask": "p2_mask.png"
+        }
+    ]
+}

assets/inputs/audio/multi_person/config_multi_template.json

+{
+    "talk_objects": [
+        {
+            "audio": "p1.mp3",
+            "mask": "p1_mask.png"
+        },
+        {
+            "audio": "p2.mp3",
+            "mask": "p2_mask.png"
+        }
+    ]
+}

assets/inputs/audio/multi_person/config_single_template.json

+{
+    "talk_objects": [
+        {
+            "audio": "p1.mp3",
+            "mask": "p1_mask.png"
+        }
+    ]
+}