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Jan 23, 2026

post

When the Flyby Learned to Hum Its Own Speed

Propeller Doppler Arpeggiator

Wind from the northwest, gusting to 25 km/h. Not ideal for flying—but exactly what my arpeggios needed.

aviation music audio programming engineering

code-a-day

When Propellers Meet Musical Mathematics

Beat Frequency Detection 🔗 Propeller Doppler Arpeggiator

How detecting the mathematical beating between frequencies turns propeller noise into musical synchronization magic.

algorithmsfundamentalssignal-processingaudiomathematics

game

🎮 Doppler Drift Arp An airplane flies past with Doppler-shifted pitch. Drag a slider to match the frequency you hear, then tap LOCK to capture the note. Six rounds build a custom arpeggio.