. The frequency range of audible sound is
Sound frequencies fewer than 20 vibrations per second, or 20 Hz, are not detectable by the human ear. As a result, any sound below this frequency is inaudible to humans.
The human ear cannot perceive frequencies beyond 20000 vibrations per second (20 kHz) in the high-frequency range, and the amplitude of the wave would be determined by the sound's loudness.
Inaudible frequencies are those that have a frequency below 20 Hz and a frequency over 20 kHz. Infrasonic sound is a type of low-frequency sound that the human ear cannot perceive.
Ultrasonic sound refers to inaudible frequencies in the upper range. Frequencies between 20 Hz and 20 kHz are easily detectable by the human ear.
As a result, audible sound is defined as sound waves having a frequency spanning from 20 Hz to 20 kHz.
If the pressure differences in the air are within the audible frequency range, the human ear is sensitive to them. It can detect pressure differences of less than a billionth of an atmosphere.
Sounds with frequencies ranging from 20 Hz to 20000 Hz elicit a response in the human ear. This is referred to as the human ear's audible range.
As a result, the audible sound frequency range is 20Hz to 20000Hz.