| { | |
| "model": "V2C1", | |
| "frontend": { | |
| "sample_rate_hz": 16000, | |
| "clip_seconds": 1.0, | |
| "clip_samples": 16000, | |
| "bandpass_hz": [ | |
| 100.0, | |
| 6000.0 | |
| ], | |
| "filter_order": 4, | |
| "n_fft": 512, | |
| "hop_length": 512, | |
| "n_mels": 32, | |
| "n_frames": 32, | |
| "fmin_hz": 100.0, | |
| "fmax_hz": 6000.0, | |
| "log_offset": 1e-06, | |
| "mel_scale": "HTK", | |
| "filterbank_normalisation": "Slaney", | |
| "input_shape": [ | |
| 32, | |
| 32, | |
| 1 | |
| ], | |
| "frames_require_centre_padding": true, | |
| "frames_without_centre_padding": 31 | |
| }, | |
| "normalisation": { | |
| "mode": "global", | |
| "logmel_mean": -7.041979789733887, | |
| "logmel_std": 4.118093490600586, | |
| "applied": "(x - logmel_mean) / (logmel_std + 1e-6)", | |
| "note": "must be applied on-device exactly; these are not defaults" | |
| }, | |
| "quantisation": { | |
| "input_dtype": "<class 'numpy.int8'>", | |
| "output_dtype": "<class 'numpy.int8'>", | |
| "input_scale": 0.018346942961215973, | |
| "input_zero_point": -38, | |
| "output_scale": 0.00390625, | |
| "output_zero_point": -128, | |
| "fully_integer": true, | |
| "ops": [ | |
| "CONV_2D", | |
| "DELEGATE", | |
| "FULLY_CONNECTED", | |
| "MAX_POOL_2D", | |
| "MEAN", | |
| "SOFTMAX" | |
| ] | |
| }, | |
| "decision": { | |
| "threshold_f1_optimal": 0.4684000015258789, | |
| "threshold_recall90": 0.5917999744415283 | |
| }, | |
| "artifacts": { | |
| "drone_model_int8.tflite": { | |
| "bytes": 40200, | |
| "sha256": "e2e4e4b0e49d50f0d3c0b2129240564ec84b93b4c252651ef10b82560b9d72ae", | |
| "blake2b": "e9129ad492b2377dc9ab09518573481d792f2cbfa9c1ab381f2dcbf16252edc9" | |
| }, | |
| "drone_model_float32.tflite": { | |
| "bytes": 124148, | |
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| "blake2b": "3f2e3213e0ae06df55033514073ff378c4e461ab7dd47d6ec4f6a5e33753ed17" | |
| }, | |
| "model_data.h": { | |
| "bytes": 258226, | |
| "sha256": "a7acc9b04a895ba6ccb3fcd025dfe3a00579ae6a87f6fb1565c661f494ed5f8d", | |
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| }, | |
| "mel_filterbank.npy": { | |
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| "mel_filterbank.h": { | |
| "bytes": 211397, | |
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| } | |
| }, | |
| "model_data_h_round_trip_ok": true | |
| } |