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mlx-audio-swift's SupertonicModel (model_type supertonic).config.json — model_type supertonic, sample_rate 44100, hop 512,
latent_dim 24, chunk_factor 6, cfg_scale 4.0, default_steps 8duration_predictor.safetensors, text_encoder.safetensors,
vector_estimator.safetensors, vocoder.safetensors — the four ONNX
sub-graphs' initializers, converted to MLX layout (Conv [O,I,K] → [O,K,I])unicode_indexer.json — 65,536-entry BMP codepoint → embedding-row tablevoice_styles/{M1..M5,F1..F5}.json — preset style vectors
(style_ttl [1,50,256], style_dp [1,8,16])onnx.numpy_helper, Conv weights
transposed to MLX conv1d layout, keys renamed to stable dotted paths, and the
result validated stage-by-stage against ONNX Runtime at ≤1e-4 max-abs-error
(end-to-end ≤1e-3 on identical injected noise; ~69 dB SNR, perceptually
transparent). CFG and the Euler step baked into vector_estimator.onnx are
factored out and applied by the runtime.LICENSE and
NOTICE. These are format-converted (modified) files of the original
Supertone release; all credit for the model belongs to Supertone Inc.