{ "model_type": "resnet18", "num_classes": 2, "class_names": [ "clean", "knocking" ], "input_type": "mel_spectrogram", "input_size": [ 3, 224, 224 ], "sample_rate": 16000, "n_mels": 128, "n_fft": 1024, "hop_length": 512 }