Infrasound, where the rate of vibration is too low for us to hear; Ultrasound, where the rate of vibration is too high for us to hear.

15 мар. 2021 г. · Infrasound is the barely audible low-frequency sound that humans can hear whereas ultrasound is the barely audible high-frequency sound.

'Ultrasound and infrasound' explains that humans can hear sounds with frequencies in the range of 20 Hz to around 17 kHz, but there is a wide ultrasound ...

Ultrasound, just as infrasound, includes frequencies that are inaudible to humans. In contrast, they are caused by much more rapid oscillations than infrasound ...

20 авг. 2022 г. · Infrasound makes it easy to find and examine the species of the animal depending upon the communication signals.

28 авг. 2023 г. · Higher Tier Only. Infrasound is defined as: Sound waves with a frequency below the human hearing range of 20 Hz.

Infrasound can be used to investigate the internal structure of our planet, just like ultrasound is used for foetal scanning.

Продолжительность: 4:01
Опубликовано: 28 сент. 2018 г.

Sounds of frequencies below 20 Hz are called infrasonic sound or infrasound. Frequencies higher than 20 kHz are called ultrasonic sound or ultrasound.