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What is Frequency?
Frequency, by definition, is the measurement of the tone or musical note of
the sound. A really high sound, like a flute, registers at 2000Hz whereas a
really low sound, like a tuba, registers under 30Hz. To put these numbers in
perspective, it’s important to note that humans can only hear sounds between
20Hz and 20,000Hz- a range that shrinks as people get older).