Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
– Ultrasound is a continuous cycle of sound waves at a frequency (≥ 20KHz) which actually is, by definition, beyond the upper limits of the human auditory sense. However, researchers have shown that the younger age groups do have the capacity to hear some spectrums of ultrasound waves, but that ability generally diminishes with age.
