Real-time visual feedback for Mandarin vowels, plus a Hanzi / Pinyin / Zhuyin sight-reading view.
Speak into your mic and watch your vowel land on a live F1/F2 chart, next to Mandarin target zones (a, o, e, i, u, ΓΌ, and the two tricky apical vowels in si/shi).
Open Vowel VisualizerPaste any Hanzi and get an instant Pinyin / Hanzi / Zhuyin sight-reading layout, word-grouped and TTS-enabled.
Open Karaoke ReaderA curated set of syllables/tones read from the Karaoke layout, scored live against the Vowel Visualizer's formant + pitch detection. Currently limited to simple-vowel syllables β see docs/BENCHMARK.md.