Fix dataset labels: per-class audio subfolders + dataset_info/configs

README.md

@@ -14,6 +14,29 @@ tags:
 - tinyml
 size_categories:
 - n<1K
+dataset_info:
+  features:
+  - name: audio
+    dtype: audio
+  - name: label
+    dtype:
+      class_label:
+        names:
+          '0': background_noise
+          '1': hey_edge
+          '2': unknown
+  splits:
+  - name: train
+    num_examples: 1312
+  - name: test
+    num_examples: 337
+configs:
+- config_name: default
+  data_files:
+  - split: train
+    path: audio/train/**/*.wav
+  - split: test
+    path: audio/test/**/*.wav
 ---
 
 # hey_edge — Wake Word Synthetic Speech Dataset
@@ -44,11 +67,20 @@ model. Generated with **piper_tts** and local audio augmentation.
 
 ## Layout
 
+Audio is organised into one sub-folder per class so the Hugging Face dataset
+viewer infers the `label` column automatically:
+
 ```text
 audio/
-  train/  hey_edge.<id>.wav ...
-  test/   hey_edge.<id>.wav ...
-metadata.csv
+  train/
+    hey_edge/     hey_edge.<id>.wav ...
+    unknown/  unknown.<id>.wav ...
+    background_noise/    background_noise.<id>.wav ...
+  test/
+    hey_edge/ ...
+    unknown/ ...
+    background_noise/ ...
+edge_impulse_metadata.csv
 hf_metadata.csv
 selected_voices.csv
 dataset_summary.json
@@ -70,8 +102,8 @@ Filenames follow the Edge Impulse label-prefix convention
 (`hey_edge.<id>.wav`) so they upload directly:
 
 ```bash
-edge-impulse-uploader --category training audio/train/*.wav
-edge-impulse-uploader --category testing audio/test/*.wav
+edge-impulse-uploader --category training audio/train/**/*.wav
+edge-impulse-uploader --category testing audio/test/**/*.wav
 ```
 
 ## Limitations