three hearing range of sound
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The range of audible frequencies is 20 to 20,000 Hz. Those sounds above 20,000 Hz are ultrasound, whereas those below 20 Hz are infrasound. The perception of frequency is pitch. The perception of intensity is loudness.
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The range of audible frequencies is 20 to 20,000 Hz. Those sounds above 20,000 Hz are ultrasound, whereas those below 20 Hz are infrasound. The perception of frequency is pitch. The perception of intensity is loudness.
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