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Subsonic vs Ultrasonic - What's the difference?

subsonic | ultrasonic |

As adjectives the difference between subsonic and ultrasonic

is that subsonic is having a frequency too low to be audible while ultrasonic is beyond (higher in frequency than) the range of sound perceptible to the human ear; with a frequency of 20 kilohertz or higher.

subsonic

Adjective

(-)
  • (of a sound) having a frequency too low to be audible
  • (of a speed) less than the speed of sound (in the same medium, and at the same temperature and pressure)
  • (fluid mechanics, of a flow) with a Mach number such that 0.3 < Ma < 0.8 (approximately - the exact limits vary between sources).
  • ultrasonic

    Adjective

    (en adjective)
  • (acoustics) Beyond (higher in frequency than) the range of sound perceptible to the human ear; with a frequency of 20 kilohertz or higher.
  • Antonyms

    * infrasonic