Beat Frequency — Wave Interference Simulator

🔔 Beat Frequency

f1: 440 Hz f2: 443 Hz Amplitude A: 1.0 Time window: 20 ms

f1

f2

Sum

f1—

f2—

f_avg—

f_beat = |f1−f2|—

T_beat = 1/f_beat—

Max amplitude—

Beat Phenomenon
y = A·sin(2πf₁t) + A·sin(2πf₂t) = 2A·cos(π·Δf·t)·sin(2π·f_avg·t). The envelope oscillates at f_beat = |f1−f2|, producing characteristic pulsing.

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