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- New phase 'previewPaused': pause stops scheduled audio but keeps the preview cursor; resume continues from the cursor position. - Step buttons (and arrow keys) are active ONLY while the preview is paused; each step moves the cursor one event and plays that single note as a find-it-on-the-neck cue. - Preview indicator now follows playback in real time: a cursor interval advances previewIdx by audio time (event start ticks), so the notation caret moves with the sounding note — also while paused at the stepped position. - Main Start button shares the semantics: while previewing it shows Pause/Resume and routes to the preview controls (exercise and preview transport behave consistently). - External pause (settings dialog, tab hide) during preview now keeps the cursor (previewPaused) instead of dropping to ready.
Sheet Music Trainer
A web-based application designed to help musicians practice sight-reading and ear training. It listens to your instrument (or voice) via the microphone and gives real-time feedback.
Live Demo (If available)
Features
- Sight Reading Mode: Read notes from the interactive staff and play them on your instrument. The app listens and confirms when you hit the correct note.
- Ear Training Mode: Listen to a reference note and try to reproduce it. The reference note duration is configurable, and it can optionally wait for your instrument to go quiet before the next one plays.
- Phrase Mode: Practice short phrases — several bars of a single-voice line. Material: generated melodies (any key/mode, seeded), scale drills (one/two octaves or within a fretboard position, up/down/up-down), bundled exercises (verified public-domain melodies + original studies), or your own
.abcfiles. Two paces: at your pace (beginner, waits for each note) and with tempo (metronome count-in, forgiving hit/miss tracking). Note that matching checks pitch, not fingering, and repeated identical notes need a brief release between them. - Real-time Pitch Detection: Uses your device's microphone to detect notes instantly, with an analysis window and detector adapted to your instrument.
- Chromatic Tuner: Tunable needle with cents display, always-on when enabled.
- Instrument Support: Optimized for Guitar, Bass, Piano, Voice and Whistle, with configurable tunings for guitar and bass.
- Virtual Instruments: On-screen interactive guitar fretboard and piano keys for visual reference or touch input.
- Customizable: Difficulty (range, accidentals), key signatures, rhythm/metronome settings, reference note duration, microphone sensitivity, and more.
- Dark & Light Themes: Full theme support including native form controls.
- Zen Mode: Distraction-free practice interface.
Getting Started
Prerequisites
- Node.js (v18 or higher recommended)
- npm
Installation
-
Clone the repository:
git clone https://github.com/9x/sheetmusictrainer.git cd sheetmusictrainer -
Install dependencies:
npm install -
Run the development server:
npm run dev -
Open your browser and navigate to the local URL provided (usually
http://localhost:5173).
Technical Details
100% vibe coded using Google Antigravity and Gemini 3 pro.
This project is built with:
- React + TypeScript
- Vite
- VexFlow (for music notation)
- Pitchfinder (for audio detection)
For more details on the architecture, see TECHNICAL_REALIZATION.md.
License
MIT