Is pitch just the frequency?

Pitch is then how the human ear hears and understands that frequency. This is all a bit technical and mathematical, but just know that pitch is basically the frequency of a note . The higher the frequency, the higher the pitch and vice versa, the lower the frequency, the lower the pitch.

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Is 20hz a high-frequency?

Low-frequency sounds are 500 Hz or lower while high-frequency waves are above 2000 Hz. Human ears can register sounds from about 20 Hz in frequency up to 20,000 Hz , depending of course, upon the hearer. People with hearing loss usually have trouble hearing sounds in the higher frequency range.6 Eki 2017

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