Harmony and Frequency Ratios
by Anonymous
Stack sounds and reduce their frequency ratios to see why simple ratios like 4:5:6 blend into chords while very close notes wobble.
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About this app
Harmony and Frequency Ratios is an interactive music education app that explores why some sounds blend better than others. Choose notes to layer over a fixed doh at 264 Hz, simplify their frequency ratios, build three-note chords, and hear how small frequency differences create beating. It is designed as a guided activity with goals, visual wave-style illustrations, sound playback, and step-by-step feedback.
Use cases
- Elementary students learning about sound and music
- Teachers introducing frequency ratios and harmony
- Music education activities about chords and consonance
- Learners exploring beats caused by nearby frequencies
Features
- Compare two layered sounds using simplified frequency ratios
- Build three-note combinations and evaluate whether they form a chord
- Explore beating when two frequencies are close together
- Play combined sounds with an on/off sound control
- Progress through guided challenges with reset and next controls
- Display frequency, ratio, sum, pair, and difference information