{ "feature": { "sample_rate": 16000, "frame_ms": 25.0, "hop_ms": 10.0, "n_fft": 512, "n_mels": 40, "f_min": 50.0, "f_max": 7600.0 }, "model": { "feature_dim": 43, "hidden_dim": 64, "kernel_size": 3, "dilations": [ 1, 2, 4, 8 ], "recurrent_dim": 64, "dropout": 0.08 }, "detector": { "start_threshold": 0.8, "stop_threshold": 0.5, "start_frames": 3, "stop_frames": 4, "pre_roll_frames": 3 }, "mode": "streaming", "note": "Graph accepts precomputed causal features." }