accent-scorerer / model_config.json
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{
"schema_version": "2.0",
"model_version": "0.2.1",
"model_type": "wavlm_layer_mix",
"checkpoint_sha256": "2c516f95574aa40f800e6900f0db5a6f7804e80f9366a50b506c22e841c33e40",
"architecture": {
"encoder_name": "microsoft/wavlm-base-plus",
"encoder_revision": "4c66d4806a428f2e922ccfa1a962776e232d487b",
"num_layers": 13,
"hidden_size": 768,
"projection_size": 128,
"dropout": 0.15,
"target_specific_layer_mixture": true
},
"target_names": [
"accuracy",
"fluency",
"prosody",
"completeness",
"overall"
],
"accent": {
"checkpoint": "accent.pt",
"model_version": "0.2.1-aesrc-saa",
"labels": [
"american",
"british",
"indian",
"russian"
],
"selected_wavlm_layer": 7,
"classifier": "L2 logistic regression",
"regularization_c": 0.01,
"speech_accent_archive_domain_mass_relative_to_aesrc": 2.0,
"temperature": 1.0126516733940019,
"unknown_probability_threshold": 0.4,
"unknown_threshold_policy": "fixed at 0.4 before held-out evaluation",
"validation_macro_f1": {
"aesrc": 0.8919,
"speech_accent_archive": 0.9644,
"cross_domain_mean": 0.9281
},
"speaker_disjoint_test_macro_f1": {
"aesrc": 0.9047,
"speech_accent_archive": 0.895,
"cross_domain_mean": 0.8998
},
"speaker_disjoint_test_accuracy": {
"aesrc": 0.9055,
"speech_accent_archive": 0.939
},
"training_corpora": [
"AESRC2020",
"Speech Accent Archive"
],
"training_corpus_revision": "4a80d8388f06368a0fa2a325770bec3492cabd3d",
"speech_accent_archive_metadata_sha256": "979afd5a7b0b53fa5d8e8a9b8587a1fbc2de8567d4c6b6c7fbaead28d55cf33b",
"checkpoint_sha256": "03fe84174ceacdae4dc487e622f26814da00704a4d0a5747a836c52b391263fe",
"license_status": "research use only; verify AESRC and Speech Accent Archive training and derivative-work rights before redistribution"
},
"american_similarity": {
"checkpoint": "american_similarity.pt",
"model_version": "0.2.0-aesrc",
"definition": "100 * calibrated P(American vs non-American)",
"selected_wavlm_layer": 6,
"calibration": "temperature scaling on speaker-disjoint validation",
"validation_roc_auc": 0.9771,
"speaker_disjoint_test_roc_auc": 0.9607,
"checkpoint_sha256": "ebd61bdc6e680ee58fff1d85d2ff3b78c42ea06635c5d4fe6bdb321d4b1222f1"
},
"recommended_mps_dtype": "float16",
"dtype_qualification": {
"recommended_mps_dtype": "float16",
"criteria": {
"finite_predictions": true,
"max_score_delta_points": 1.0,
"minimum_p50_speedup_fraction": 0.05
},
"qualified": true
}
}