Update README.md

README.md

@@ -69,6 +69,26 @@ raw_datasets = load_dataset(
 )
 ```
 
+Each sample in the dataset follows the WebDataset format, which includes the following fields:
+
+```json
+{
+    '__key__': 'sample-000000000',
+    '__url__': '/path/to/20k/train/shard-00000.tar',
+    'wav': {
+        'path': 'sample-000000000.wav',
+        'array': array([ 0.        ,  0.        ,  0.        , ..., -0.00186157,
+                         -0.00238037, -0.00256348]),
+        'sampling_rate': 16000
+    },
+    'json': {
+        'id': 'YUJxAKoY0gRM',
+        'label': ['Clarinet'],
+        'label_id': [198]
+    }
+}
+```
+
 ## License and Usage Restrictions
 
 Please ensure compliance with YouTube's terms of service when using this dataset.