The term sonic is applied to ultrasound waves of very high amplitudes. Hypersound, sometimes called praetersound or microsound, is sound waves of frequencies greater than 1013 hertz.

Amplitude- The amplitude is a periodic variable measure of its change in a single period.

Ultra sonic sound - Ultra sound is a sound wave with frequencies higher than the upper audible limit of human hearing.

Frequency- Frequency is the number of occurrences of a repeating event per unit of time.