AccentAssist
AI pronunciation analyzer for American English: records your voice and gives real-time feedback on vowels, consonants, stress, rhythm and intonation.
Development AI/ML Live
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Problem
- Who
- English learners who want to sound clear and confident in American English.
- Why it mattered
- Pronunciation practice rarely gives specific, immediate feedback on what to fix.
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Architecture
- Component
- Key decision (click)
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Capture
- MicrophoneMediaRecorder + AudioContext
- Live waveformWeb Audio API
Analyse
- Speech-to-textGemini transcription
- Pronunciation analysisVowels, consonants, stress, rhythm, intonation
Feedback
- Feedback displayCharts with Recharts
- Text-to-speechCorrect pronunciation playback
Progress
- Local storageProfiles and history
The browser records the voice with a live waveform, Gemini transcribes and analyses it, and the app shows a per-dimension breakdown with playback of the correct pronunciation.
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Build highlights
- 01
Instant, specific feedback
Detailed analysis of vowels, consonants, stress, rhythm and intonation after every recording.
- 02
Progress tracking
Colourful analytics show improvement over time.
- 03
Mobile-first
Touch-optimised microphone controls and layouts that fit every screen.
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