Sentence examples for threshold of human hearing from inspiring English sources

The speakers emit sound frequencies that are below the threshold of human hearing but strong enough to make the Slinkys move.

"I suspect that it gets down below the threshold of human hearing," Betchkal said, adding duck seal, Gaffer's tape and an Exacto knife to the bag.

The calls dip down to 23 Hz, just at the threshold of human hearing, they report in the October issue of the journal Auk.

PSD is reported in decibels sound pressure level (dB SPL /KHz, where: dB SPL = 20 log(P/P0), P is intensity of the stimulus, and P0 the reference's intensity at the threshold of human hearing at the frequency of 1 kHz.

This results in a very low noise environment in which the sound pressure due to outside levels is below the threshold of human hearing.

He added that the action choreography was "undecipherable" and called Sai Kumar's character as "one of the most over the top villain characters ever" adding that he would certainly "break the outer limit of human hearing threshold".

Loudness is the intensive attribute of human hearing.

The function of human hearing was investigated through the use of models.

The "nano-ear," a microscopic particle of gold trapped by a laser beam, can detect sound a million times fainter than the threshold for human hearing.

Ultrasound is defined as pressure waves with a characteristic frequency greater than 20 kHz, the nominal upper threshold of hearing for humans.

Further statistical analysis of hearing threshold shift revealed that up to 8 dB of significant hearing loss was found at the most important human hearing frequency band, centered at 4000 Hz, after about less than 2 h of Karaoke noise exposure, indicating that Karaoke facilities may pose a serious threat to noise-induced hearing loss.