A Voice Memo App With MediaRecorder, IndexedDB, and Live Waveform Rendering MediaRecorder captures microphone audio as WebM. IndexedDB stores the blobs (localStorage is too small for audio). An AnalyserNode feeds a Canvas for the live waveform during recording. Web Speech API provides best-effort transcription. Each API has its own quirks — together they make a fully client-side voice memo tool
A Voice Memo App With MediaRecorder, IndexedDB, and Live Waveform Rendering
SEN LLC·Dev.to··1 min read
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