yuyin.io
Master Chinese pronunciation with AI-powered feedback
yuyin.io launched on February 13, 2025 with 136 votes, #300 of 5,999 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
Yuyin helps you perfect your Chinese pronunciation through AI-powered speech analysis. Get instant feedback on your pronunciation, fluency, and accuracy while practicing with adaptable difficulty levels. Perfect for language learners from beginners to advanced
YuYin is a Chinese pronunciation assistant that helps you learn Chinese pronunciation
Instant AI feedback on every tone — try it now, no account needed. Built on the i+1 method of comprehensible input — every lesson introduces just one new idea while staying rooted in what you already know, so you absorb Mandarin naturally and remember itfrom yuyin.io
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Yuyin - AI Chinese Pronunciation CoachFeb 2026 · apps.apple.com · ▲3Speak Chinese with confidence — AI that actually listens
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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/
My AI writing assistant for Chinese2024 · unscrambler.dpw.me · ▲74Hi HN! In trying to improve my Chinese skills, I built this tool that lets me write a mix of Chinese and English, then recommends a proper Chinese expression. This is super helpful when I want to write something in Chinese but I don't know all the vocab/grammar - I can enter my best effort and use English for the parts I don't know. Really, the fundamental benefit of the tool is that it encourages me to exercise the writing muscle, rather than defaulting to translating from English. My goal was to build something that is fast, relatively inexpensive, and not prone to misleading people.…
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