Infrasonic vs Supersonic - What's the difference?
infrasonic | supersonic | Related terms |
(of sound waves, acoustics) Having frequencies below the human audible range
(of a device) Generating or employing such sound waves
(of a speed) greater than the speed of sound (in the same medium, and at the same temperature and pressure)
(colloquial, of a sound) ultrasonic, having a frequency too high to be audible