CantaTune is a bilingual (English/Spanish) karaoke and pitch-training web app built with React.
It combines karaoke-style lyrics with a real-time “keep in tune” microphone pitch detector.

Sing along, stay on pitch, and train your voice — all in one lightweight app.

• 🎶 Karaoke-style lyrics (timestamped, highlight while singing)
• 🎤 Real-time microphone pitch detection
• 📊 Live frequency display (Hz)
• 🎯 In-tune / sharp / flat feedback
• ⚡ Fast React app powered by Vite
• 🌐 Designed to be deployable as a PWA

• Frontend: React (Vite)
• Audio: Web Audio API
• Pitch Detection: Autocorrelation algorithm
• Language: JavaScript
• Build Tool: Vite + SWC

• Node.js 20+ (Node 22 recommended)

Check your version:

node -v