Diagnosis & correction
Say which phoneme broke, and what to practise next
The diagnosis kernel goes past a number: it marks the mispronounced phoneme inside the word, classifies the error type, and returns correction cues a tutor or an LLM can turn into the next drill.
- Per-phoneme error marking inside each word
- Error typing — substitution, omission, stress, liaison
- Correction cues for feedback and drill generation
- English word and sentence level

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Other capabilities in the same core.
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