Sonic Decay Analyzer
FFT-based Guitar String Decay Analysis (48kHz/24-bit)
Problem
Guitar players and luthiers lack objective tools to measure string decay characteristics, relying solely on subjective ear-based assessment.
Solution
Built a cross-platform application using .NET MAUI with a 48kHz/24-bit audio engine and RMS-based auto-trigger. Implemented 3-tier architecture with Repository Pattern for clean data separation.
Tuning
Optimized FFT window sizing for guitar frequency ranges (82Hz-1kHz fundamental), implemented adaptive threshold algorithms to filter ambient noise, and added comparative mode to overlay multiple string measurements.