Update README.md

README.md

@@ -19,10 +19,14 @@ dataset_info:
       dtype: float32
     - name: speed_factor
       dtype: float32
-  - name: audioset_source_tar_url
-    dtype: string
-  - name: audioset_source_filename
-    dtype: string
+  - name: audioset
+    struct:
+    - name: tar
+      dtype: string
+    - name: filename
+      dtype: string
+    - name: mixing_factor
+      dtype: float32
 configs:
 - config_name: test_a
   data_files: