BellTune

Analyze partial frequencies and tuning accuracy of cast bronze bells

Audio AIFree

BellTune extracts partial frequencies from bell strike recordings using high-resolution FFT and identifies hum, prime, tierce, quint, and nominal partials. The tool compares measured partials against theoretical Simpson five-partial tuning targets and quantifies deviations in cents for each harmonic. Warble beat frequency analysis detects asymmetric thickness variations requiring lathe correction to eliminate amplitude modulation in the decay.

Key Features

• ✓Partial frequency extraction
• ✓Simpson tuning comparison
• ✓Beat frequency detection
• ✓Warble analysis
• ✓Cents deviation reporting