The absolute threshold of hearing (ATH), also known as the absolute hearing threshold or auditory threshold, is the minimum sound level of a pure tone that an average human ear with normal hearing can hear with no other sound present.

The threshold of hearing is set at around 0 phon on the equal-loudness contours (i.e. 20 micropascals, approximately the quietest sound a young healthy human can detect), [15] but is standardised in an ANSI standard to 1 kHz. [16]

The threshold of hearing is the lowest level that a particular sound’s presence can be perceived by an individual more than half of the time. It is also known as the auditory threshold. The threshold of hearing is frequency-dependent, which means that it varies depending on the frequency of the sound.

2021年11月9日 · Normal hearing – your hearing threshold starts below 0 for some pitches and doesn’t rise above 25dB on any pitch. Mild hearing loss – your hearing threshold is a bit worse than normal hearing. You can’t hear sounds softer than 26 dB, and some of your hearing thresholds are as high as 40 dB.

The threshold of hearing is the minimum sound intensity or sound pressure level that a person can perceive as sound. It represents the lowest level of sound that the human ear can detect, marking the boundary between what is considered silence and what is …

Curves 1 to 6 represent attempts to determine the absolute threshold of hearing at various frequencies by the authors listed. MAP = minimum audible pressure at the eardrum; MAF = minimum audible pressure in a free sound field, measured at …

2017年7月31日 · The absolute threshold of hearing (ATH) is the minimum amplitude (level or strength) of a pure tone that the average ear with normal hearing can hear in a noiseless environment. The threshold of pain is the SPL beyond which sound becomes unbearable for a human listener.

A hearing threshold is the softest sound that the individual can detect at least 50% of the time. There are two axes on the audiogram. The vertical axis represents intensity, or loudness, of sound in decibels (dB).

Auditory thresholds include both the amplitude and frequency of audible sounds. The amplitude of sound is measured in decibels (dB). The minimal threshold for normal hearing is 25 dB in adults and 15 dB in children.

For adults, the hearing threshold is a reference loudness level of 0 decibels (dB). The hearing threshold is different for different sound frequencies. The standardized hearing threshold for a frequency of 1000 Hz is 0 dB. At lower and higher frequencies than 1,000 Hz, a shift in the hearing threshold is visible. For 30 Hz it is around 60 dB.