📐 Beat Frequency Formulas
f_beat = |f₁ - f₂|
T_beat = 1 / f_beat
A_total = 2A × cos(π × f_beat × t)
f_beat = beat frequency, f₁,f₂ = individual frequencies, T_beat = beat period, A = amplitude
Beat Frequency:
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Beat Period:
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Frequency Difference:
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Musical Interval:
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💡 Tips & Information
- Beat frequency = absolute difference between two frequencies
- Lower beat frequencies create slower "wobbling" sound
- Perfect unison = 0 Hz beat frequency
- Used for tuning musical instruments
- Beat period is the time between intensity maxima