The number of beats per second, equal to the difference in the frequencies of two interacting tones or oscillations.
- Some people are sensitive to beat frequencies, the difference between flickering sources at two different rates.
- The separation distance of images of your hand would be the velocity of your hand divided by the beat frequency, or, as a formula.
- His interest is in the kind of beat frequencies, harmonics and overtones made by combining tones that differ from each other by only a few hertz, sketching out his ideas using sine waves and oscilloscopes.
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