How loud can it really deaf a human ear?

The sound is below 40 decibels, which has no effect on the human body; When the sound is between 40 and 60 decibels, the nervous system will be affected if the human body is in this environment for a long time. At this time, the noise energy will double by every 3 decibels of noise increase; When the sound reaches 65 to 80 decibels, the degree of cardiovascular damage is more than 20 higher than that of people living in an environment with noise at 50 decibels. When the noise exceeds 80 decibels, it can cause great damage to people's hearing.

When the noise exceeds 100 decibels, it is unbearable noise. The sound reaches more than 120 decibels, which is equivalent to a Boeing 747 plane flying by, and human health will be greatly harmed in a short period of time. At 180 decibels, the ears immediately become deaf.

Hearing sound pressure range: from, usually the sound that the human ear can just hear is regarded as the standard sound pressure p0, below this sound pressure, the ear can not hear, just audible sound pressure level into the hearing threshold, for different frequencies of sound hearing threshold is different, see the figure below, the sound below the hearing threshold is usually inaudible. The maximum sound pressure level that the human ear can tolerate is called the pain threshold, and sounds beyond the pain threshold range will cause damage to the human ear.

However, this is only a theoretical range of hearing, and the human ear that can actually reach this level is almost non-existent. And speakers capable of reaching the 20Hz ---20kHz frequency range are also almost non-existent. Each person's own living environment and physiological conditions directly affect a person's ability to hear.

A decibel is a unit of sound pressure level and is denoted as d b. Used to indicate the magnitude of the sound. 1 decibel is about the sound that a person can just feel.

A suitable living environment should not exceed 4 5 decibels and should not be less than 1 5 decibels.

1. Floods are pouring in from all directions, and the sound of huge waves is deafening.

2. On the night of Chinese New Year's Eve, the deafening sound of firecrackers came and went.

3. People's cries, accompanied by the deafening sound of houses collapsing, ** is coming!

4. Today's weather is very hot and humid, after lunch, the sky is full of dark clouds and thunder.

5. The water of the Red River is like a waterfall, pouring down from the upper mountain gorge, and the sound of the water is deafening.

Related Notes:

Deafening is a Chinese idiom, pronounced zhèn ěr yù lóng, the ears are almost deafening, describing a loud sound. From Satin's "Howling".

synonyms] deafening.

Antonyms] Wan Lai silent, Wan Lai is silent.

Idiom usage: conjunctive; as a predicate, a definite, a complement; Described as loud.

The above content reference: Encyclopedia - Deafening.

A sudden, strong knock or other sudden loud noise, i.e. noise louder than 120 decibels, can cause deafness in the ears.

Are you talking about how much sound intensity can deaf the ears? The sound intensity that the human ear can accept is within 120 decibels, and generally more than 90 decibels will begin to be uncomfortable.

Constant exposure to 85 decibels of noise can cause harm, because noise can damage the hair cells in the cochlea, which is not immediately felt, but the damage is already there, 85 decibels is equivalent to the sound of a car horn, while the noise of a concert can reach 110 decibels.

The main thing is that it exceeds 85 decibels, which is already unbearable for people's ears, and it may be more harmful if the decibel continues to rise.

In fact, sounds that make the ears feel uncomfortable will affect the ears and have a risk of causing deafness. It's just a matter of time.

I think it should be higher than the decibel that the human ear can withstand in order to make people deaf, and it will damage the cochlear eardrum and so on.

I don't have much research on decibels, but when you open your voice and shout, it's basically deafening

It's just that people can't bear it, the sound is too high, people's ears can't bear it, and if the ears are injured, the danger of deafness will occur.

There is a range of sound that people can hear, and generally more than 85 decibels can deaf the ear.

It must be that the higher the decibels, the easier it is to make people deaf. The high-decibel sound can directly blow up the eardrum of the human ear.

I guess it's a loud voice, but this has to be distinguished according to the individual's physique, and different people have different tolerances.

Deafening, that is, the sound is very loud, the big ears can't stand it, and the eardrum can be broken, more than 85 decibels, it will cause damage to people's ears!

Generally speaking, noise above the safety noise standard (85-90 decibels) can cause tinnitus and deafness. However, there are individual differences in sensitivity to noise of the same intensity, and only those who are sensitive are harmed or suffer the most.

In the process of noise disease, 90 decibels is a clear hurdle, more than 90 decibels between people after the individual differences between people are not obvious, this kind of noise has a negative impact on the vast majority of people, can cause a variety of diseases. The damage to people caused by steady-state noise that has been maintained in a state is less than the same decibels, but the impulse noise of the sound is loud and small, and the sudden appearance of 100 decibels of noise may even cause people to instantly perforate the eardrum and lose hearing, so noise is recognized as a common pollution factor.

Noise intensity between 80 and 120 dB can cause damage to the cochlea and ear nerves, but different individuals have different susceptibility to noise and the degree of damage is different. The sound of wind drills and car horns is in this range. Noise levels greater than 120 dB can cause permanent hearing loss in a short period of time in this environment, with little to no individual variation.

Prolonged exposure to noise can cause noise-induced deafness. Generally, eight hours of exposure to 85 decibels of noise can obviously cause hearing damage, at this time there should be noise protection, wear professional earplugs, earmuffs, and regularly review hearing at work.

Long-term noise will also have an impact on hearing, and it is not recommended to listen to headphones loudly for a long time.

105 decibels can cause permanent damage, and more than 120 decibels can cause deafness.