
My proudest project - a full-featured music player.
Features:
- Precise lyric synchronization
- Note-taking tied to lyrics
- Vocabulary tracking
- Custom waveform visualization
Screenshots

Main player interface with synchronized lyrics

Note-taking feature with timestamped comments
System Architecture
1. Presentation Layer (PyQt UI)
2. Application Layer (Core logic)
3. Service Layer (Audio processing)
4. Data Access Layer (SQLite)
Technology Stack
- PythonCore application
- PyQtGUI framework
- SQLiteLocal storage
- FFmpegAudio processing
Challenges
- →Millisecond-precise lyric sync
- →Memory management for large libraries
- →Cross-platform compatibility
Solutions
- ✓Custom timing algorithms
- ✓Lazy-loading system
- ✓Platform abstraction layers
Lessons Learned
Separation of UI and business logic
Python performance optimization
Cross-platform development