add new cnn model

app/main.py

@@ -286,8 +286,8 @@ def generate_spectrogram(audio):
 
     return S_dB_norm
 
-cnn_model = load_model('app/cnn.h5')
-cnn_label_encoder = joblib.load('app/cnn_label_encoder.pkl')
+cnn_model = load_model('app/apr23.h5')
+cnn_label_encoder = joblib.load('app/apr23_label.pkl')
 
 @app.post("/cnn")
 async def handle_cnn(file: UploadFile = File(...)):