The results do not console: these music lovers are increasingly diagnosed with a rapid decrease in hearing, which was formerly characteristic only of the elderly. Although age-related changes in hearing begin only after thirty, a constant sound attack inexorably rejuvenates this indicator. Specialists attribute this to the "life in the headphones" and the love of noisy discos. Deafness is much more common among townspeople than among villagers - after all, the city is literally filled with noise. " Is the perception of the ears of different sounds so destructive?
All kinds of noise and the perception of the ears of different sounds act and are perceived by the ear in completely different ways. Singing birds, splashing waves, piano chords perfectly affect the psyche and in no way destroy the hearing. Another thing is the sounds of civilization, whether it's a working drill, factory noise or synthetic music pouring from speakers or headphones. The difference between the first group and the second is in the frequency and strength of the sound. These two indicators characterize any sound signal.
High-frequency sounds are called "infrasound", low- frequency sounds are called "ultrasound." The excessively low frequencies adversely affect the psyche, cause nervous disorders, panic attacks, and even can cause heart failure. The other extreme is very high frequencies. They are considered to be the main destroyers of hearing - they traumatize the auditory nerve and cause the death of its fibers. If the ears are attacked by high frequencies every day, a person quickly loses hearing. The main insidiousness is that the nerve fibers die absolutely painlessly, and the result is deafness.
Every healthy person perceives with his ears various sounds and noises. What is the norm of the pitch of sound? It is believed that the lowest level of sound that is caught in a healthy ear is 10-15 dB. Whisper - 20 dB, colloquial speech - 30-40 dB. The scream is estimated at 60 dB and is already uncomfortable for the ears, but the 90 dB sound seriously damages the hearing aid. What can we say about concerts and clubs, where the bill goes for hundreds of decibels. Not surprisingly, hearing loss is considered a professional disease of rock musicians and DJs. Favorite players, as a rule, listen at a loudness of at least 70 dB. And the avid pleyromany know: with prolonged sounding of music, periodically there is a desire to add loudness, then again and again ... Over time, a large "dose" of sound is required. Unsurprisingly, the ear adapts to it and perceives it as the norm. Unfortunately, it is by no means the norm.
Another danger of the player is that the very mechanism of hearing with the ears of various sounds through the headphones is absolutely unnatural for a person. Ideally, the ears perceive different sounds through the auditory canal, the signal hits the eardrum, is converted into vibrations, and transmitted to the cochlea that has settled in the inner ear. In it, it transforms into nerve impulses and is then perceived by the brain. And if the sound signal normally spreads through the air, then, through the headphones, it comes directly to the auditory ossicles and approaches the inner ear as much as possible. Such aggressive action causes inflammation, and then the dying of the auditory nerve. Especially dangerous is an overdose of the player for children and teenagers - the main consumers of loud music. It threatens not only with a decrease in hearing, but can also put an end to a musical career. Due to early hearing loss, children will not be able to distinguish the nuances of sounding instruments and develop musical ear.
Play safe
Many "sat on the player" know - to abandon a favorite toy is not so easy. A real break-in is starting - I'm terribly eager to plug my ears and plunge into the world of my favorite music. How is it - the way to work, jogging, training in the gym - and all this without music ?! Without panic, a truce between the ears and a portable miracle is possible. It is only necessary to take into account some points: adjust the frequency of sound. Almost all models of the player have equalizers, with the help of which you can set the frequency safe for the ear. Moreover, some manufacturers equip their products with the function of a safe bumper, which automatically determines the optimum level of frequencies. If it does not, please note that the safe volume is about 60% of the maximum.
Pick up the "right" headphones . On quality it is not necessary to save - it depends not only on the purity of sound, but also on your health. Therefore, when choosing the "ears" refer to the famous brands. But only high quality is not a guarantee of complete safety. Of great importance is the type of headphones. Tiny tabs that are pushed directly into the ear are certainly comfortable, but harmful to the ear. The apotheosis of diminutiveness and danger is the headphones, which plug their ears like plugs. Then the hearing organ is completely isolated from the outside world, and a powerful sound is directed directly to the inner ear. Therefore, it is better to choose headphones in the form of lining, which do not stop the ears and provide a more gentle penetration of sound. Time of sounding. It can vary depending on age, health, work specifics and loudness. At a safe frequency, with proper headphones and with high-quality technology, you can afford one-, two-hour enjoyment of your favorite music. The louder the sound, the less time to listen. Take into account the state of health. With some diseases - neuritis, vegetosusosudistoy dystonia, dizziness, hypertension, such a toy as a player, can worsen the state of health.
When should I reduce the sound and turn to LOR?
With headphones removed, you talk on elevated tones or ask others to talk louder. You are constantly pulled back, they say, why so yelling. You often feel annoying "ringing" in the ears (tinnitus). If it appears, then the body beats the alarm - a little more and the deafness will begin to progress. Disturbless causes dizziness.