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Akan tetapi, In a number of areas, especially during a certain carnival or celebration, you may have encountered a large vehicle procession with
Speaker
Speaker
Bergiting giant, shaking the streets, houses, to the chest.This phenomenon is known as
Namun, Sound horeg
, traditions that combine street performance art with the strength of the extreme sound system.
Performance
But, behind the stunning of some people who are stored, the potential for serious dangers for hearing.
Sebagai hasilnya, Sound horeg is not just any voice system.It is a series
sound system
System
Large size, specifically designed to make a very loud sound, sometimes reaching more than 135 decibels (DB).
Selanjutnya, In comparison, the decibel of the sound of live music concerts is generally around 110-120 dB, while the sound of the jet machine from close range can reach 140 dB.
With such a large intensity, no wonder the sound of the sound of horeg can vibrate the glass of the house to make the chest pound.However, how safe is that much sound for humans?
Pound.however
Safe limit of human hearing
Akan tetapi, Summarizing various sources, humans have the ability to listen to sound frequencies ranging from 20 Hz to 20 thousand Hz.This frequency is known as the audio range.
Outside of that number, sound is no longer heard by the human ear, although it can be felt by animals or even the human body in the form of vibrations.
Vibrations
“The sound waves have a frequency, and if we can hear the sound, it means that it is included in the range of audio frequency,” explained Hana Arisesa, the head of the radio research group, microwave, acoustic, and photonic from Brin, quoted
Dengan demikian, detikinet
.
However, according to him, what is more important is not just the frequency, but the sound strength measured in decibel units.This is where the danger begins to emerge.
Pada akhirnya, In general, the human ear can still tolerate sounds up to 80 dB.However, prolonged exposure on this threshold can cause chronic hearing loss.
In fact, sounds around 90-100 dB such as solid traffic or chainsaws, if heard continuously without protectors, can cause hearing loss slowly.
Continuously
Sounds above 120 dB have begun to hurt the ears.While noise exceeds 140 dB parallel to the sound of the explosion can damage the eardrum directly, causing what is called acoustic trauma.
Sebagai hasilnya, Acoustic trauma is an ongoing injury to the eardrum due to a very loud sound.This damage can be temporary, but it can also be permanent if the structure in the ear has been disrupted.
“What determines the sound is comfortable or uncomfortable, danger or not dangerous is its strength or decibel,” continued Hana.
Uncomfortable
A study of
Namun, Sam Ratulangi University Manado
found that sound exposure as in the sound of horeg, which is claimed to be exceeding 135 dB, places hearing in the red zone.
Exceeding
This loud sound can cause acute damage, ranging from tinnitus (prolonged buzz), decreased hearing sensitivity, to permanent hearing loss.
Selain itu, (tis/asr)
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