How it Works

This page explains the technology and process behind the Melody Sheet Analyzer.

5-Step Process

Process Flow
  1. Upload audio file
  2. Decode audio in browser
  3. Extract melody pitches
  4. Convert to note names
  5. Render sheet music

Technical Details

  • Audio Decoding: Uses the Web Audio API to decode .mp3/.wav files directly in your browser.
  • Pitch Detection: Applies the open-source pitchy library to extract the main melody pitch from your recording.
  • Note Conversion: Converts detected pitches to standard note names (e.g., A4, C5) using a logarithmic formula.
  • Sheet Music Rendering: Renders notes as beautiful sheet music using VexFlow.

Privacy & Security

All processing is done locally in your browser. Your audio never leaves your device. No uploads, no tracking, no ads.

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