Speech-to-Text (STT) Dictation
Transcribe spoken audio directly into text in real time with zero server delay using the SpeechRecognition Web API. Benchmark your Japanese pronunciation, test your conversational fluency, and take hands-free voice notes effortlessly.
Continuous Auto-Restart
Keeps dictation active through conversational pauses. When browsers automatically stop recognition on silence, our engine resumes listening instantly.
Live Interim Results
Watch predicted words stream in live italic feedback before sentence boundaries are confirmed, providing immediate visual confirmation as you speak.
Pronunciation Benchmark
Compare recognized text against target sentences. If the recognizer misinterprets a word, it highlights syllables where your articulation may need refinement.
🎙️ 语音听写（Speech to Text）
SpeechRecognition实时将麦克风语音转录为文字，支持多国语言、临时预判识别与长时间连续监听。
暂无听写结果
点击下方「开始听写」按钮并对麦克风说话，文字将在此实时呈现。
Guide: Achieving High Recognition Accuracy in Japanese
1. Maintain Steady Mora Timing
Japanese is a mora-timed language. Rather than stressing specific syllables, maintain equal duration for each kana character (including small 'っ' sokuon and prolonged vowels 'ー'). Speech recognition models rely heavily on this rhythmic consistency.
2. Clear Particle Separation
Ensure particles like は (wa), を (o), に (ni), and で (de) are voiced clearly without trailing off or blurring into adjacent words. Clean word boundaries make parsing syntactic chunks significantly more reliable.
3. Microphone Placement & Noise
Position your microphone 10-15 cm from your mouth and minimize ambient background chatter or fan noise. Built-in laptop microphones often perform best when input gain is calibrated to 70–80%.
4. Browser Recommendation
The W3C SpeechRecognition standard is most natively integrated in Chromium engines (Google Chrome, Microsoft Edge, Brave) and Apple Safari. If you encounter permission dialogs, be sure to grant microphone access in your browser address bar.