Fugue State
Unlock your musical potential with advanced audio analysis and practice tools.
Try It Now
Real-time spectral visualization right in your browser. Press play to explore.
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Melodic and Harmonic Analysis
See the notes being played as clearly as you see color.
Two Powerful Use Cases
Whether you're transcribing music or practicing along with your favorite songs, Fugue State provides the tools you need to excel.
Transcription
Write down music with precision
Transform audio into written music using advanced spectral analysis tools. Visualize frequencies, identify notes, and transcribe with confidence.
Spectral Analysis
Visual frequency analysis to identify notes and harmonies accurately
Flexible Notation
Work with any notation system using precise pitch and timing data
Precise Timing
Loop sections and slow down playback to catch every detail
Practice
Play along with your favorite songs
Perfect your musical skills by playing along with audio tracks. Advanced playback controls make it easy to learn challenging passages and improve your timing.
Loop Control
Seamlessly loop difficult sections to master challenging passages
Speed Adjustment
Slow down or speed up playback without changing pitch
Count-in Feature
Built-in metronome count-in to help you start perfectly in time
Pitch Detection
Real-time pitch analysis for both transcription accuracy and practice feedback
Visual Analysis
Spectrograms and waveforms help you see what you're hearing
Practice Mode
Dedicated practice interface with split-screen audio analysis
Desktop Powerhouse
All processing happens locally on your machine. No cloud dependencies, no uploads, no latency. Available for macOS, Windows, and Linux.
No internet required after download
Smooth, high-resolution spectral displays
Save and organize your analysis work
Always on the latest version
Free and open source. No account required.
Instant Setup
Download, install, and start analyzing in seconds.
Professional Tools
Studio-quality analysis with real-time spectral visualization.
Project Management
Save and organize your work with local project files.
Learn Faster
Advanced playback controls to master any piece of music.