add onnx and metadata

bin/genre_model.json

@@ -0,0 +1,26 @@
+{
+  "labels": [
+    "latin",
+    "electronic",
+    "hiphop",
+    "rock",
+    "classical"
+  ],
+  "mean": -4.0,
+  "std": 4.0,
+  "version": 1,
+  "source": "designed",
+  "frontend": {
+    "fft": 2048,
+    "hann": "periodic",
+    "hop": "sr//100",
+    "padding": "causal-left-N-hop",
+    "power": "abs(rfft)^2",
+    "mel": "HTK",
+    "bands": 128,
+    "fmin": 30,
+    "fmax": 11000,
+    "area": "divide by full support width in fractional bins",
+    "log_floor": 1e-10
+  }
+}