UltraChord Chord Finder Tuner
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About this app
UltraChord is a powerful, AI-powered chords finder, song analyzer, and professional guitar Tuner app designed for musicians. Load any MP3, WAV, FLAC, or AAC song file from your library and let UltraChord identify every chord, the lyrics, the musical key, tone, and the tempo (BPM) — in seconds. It serves as your ultimate track transcriber and export PDF sheet music companion.
✦ WHAT DOES IT DO?
UltraChord combines professional DSP processing with on-device machine learning to analyse the harmonic structure of any song. As the track plays, chord changes scroll in real time with integrated lyrics display, making it the perfect chord analyzer and auto detector. Tap any chord to see an interactive guitar or piano diagram with accurate fingerings.
FEATURES
• 70+ Chord Types: Major, Minor, Diminished, Augmented, Dom7, Maj7, Min7, Sus2, Sus4 and every root note for complete guitar chords and piano tracker mastery.
• Key, Tone & BPM Detection: All 24 major/minor keys using the Krumhansl-Schmuckler algorithm; automatic tempo detection, tone identifier, and built-in BPM counter tracking.
• Guitar & Piano Diagrams: Tap-to-view chord fingerings with full capo and transpose support for seamless guitar tuning and learning with an advanced chromatic Tuner.
• Lyrics & Export PDF: View synced lyrics alongside chords and easily export PDF sheets of your favorite tracks for offline practice or printing.
• Slow Practice Mode: Play at 0.25×, 0.5×, 0.75×, 1.0×, or 1.25× speed to practice complex transitions.
• A-B Loop: Mark any section and repeat it until you nail the transition.
• Vocal Suppression: Push the vocals back to hear the instruments and guitar tabs more clearly.
• 100% Offline: No internet connection needed — fast, private, and battery-friendly offline chords finder.
🤖 THE TECHNOLOGY
Under the hood: Blackman-windowed FFT, Harmonic Pitch Class Profile (HPCP), and a Viterbi HMM decoder guided by Circle-of-Fifths transition probabilities. The result is Major/Minor distinction accuracy above 95% for reliable chord recognition, precise song analyzer mechanics, and harmonic track breakdown.
WHO IS IT FOR?
• Guitarists and pianists learning songs by ear using interactive chords finder tools.
• Students building their music theory skills and learning how to play guitar with proper tone.
• Musicians who want to cover, transcribe tracks, auto-scroll lyrics, or find the BPM of a song.
• Anyone curious about the harmony, tabs, and chords behind their favourite music.
✦ WHAT DOES IT DO?
UltraChord combines professional DSP processing with on-device machine learning to analyse the harmonic structure of any song. As the track plays, chord changes scroll in real time with integrated lyrics display, making it the perfect chord analyzer and auto detector. Tap any chord to see an interactive guitar or piano diagram with accurate fingerings.
FEATURES
• 70+ Chord Types: Major, Minor, Diminished, Augmented, Dom7, Maj7, Min7, Sus2, Sus4 and every root note for complete guitar chords and piano tracker mastery.
• Key, Tone & BPM Detection: All 24 major/minor keys using the Krumhansl-Schmuckler algorithm; automatic tempo detection, tone identifier, and built-in BPM counter tracking.
• Guitar & Piano Diagrams: Tap-to-view chord fingerings with full capo and transpose support for seamless guitar tuning and learning with an advanced chromatic Tuner.
• Lyrics & Export PDF: View synced lyrics alongside chords and easily export PDF sheets of your favorite tracks for offline practice or printing.
• Slow Practice Mode: Play at 0.25×, 0.5×, 0.75×, 1.0×, or 1.25× speed to practice complex transitions.
• A-B Loop: Mark any section and repeat it until you nail the transition.
• Vocal Suppression: Push the vocals back to hear the instruments and guitar tabs more clearly.
• 100% Offline: No internet connection needed — fast, private, and battery-friendly offline chords finder.
🤖 THE TECHNOLOGY
Under the hood: Blackman-windowed FFT, Harmonic Pitch Class Profile (HPCP), and a Viterbi HMM decoder guided by Circle-of-Fifths transition probabilities. The result is Major/Minor distinction accuracy above 95% for reliable chord recognition, precise song analyzer mechanics, and harmonic track breakdown.
WHO IS IT FOR?
• Guitarists and pianists learning songs by ear using interactive chords finder tools.
• Students building their music theory skills and learning how to play guitar with proper tone.
• Musicians who want to cover, transcribe tracks, auto-scroll lyrics, or find the BPM of a song.
• Anyone curious about the harmony, tabs, and chords behind their favourite music.
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