I trained a 9M speech model to fix my Mandarin tones

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I trained a 9M speech model to fix my Mandarin tones is active in the show hn launch space.

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Built this because tones are killing my spoken Mandarin and I can't reliably hear my own mistakes.It's a 9M Conformer-CTC model trained on ~300h (AISHELL + Primewords), quantized to INT8 (11 MB), runs 100% in-browser via ONNX Runtime Web.Grades per-syllable pronunciation + tones with Viterbi forced alignment.Try it here: https://simedw.com/projects/ear/

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Website: simedw.com/2026/01/31/ear-pronunication-via-ctc