Beat Frequency
f_beat = abs(f1 - f2)
What it says
The beat frequency heard when two tones of nearby frequencies interfere equals the absolute value of the difference of their frequencies. It is the rate at which the combined amplitude swells and fades.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
f_beat | Beat frequency (Hz) | T^-1 |
f1 | First tone frequency (Hz) | T^-1 |
f2 | Second tone frequency (Hz) | T^-1 |
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Connects to
Filed under Waves · derive through it in the explorer