Clipping of news on Brazilian Culture, Law and Citizenship

 


Experts give tips on proper use of these accessories. Control the volume avoids problems of hearing and also accidents.

A campaign of citizenship of the Subway of São Paulo classifies as disrespectful attitude of the music high. Besides the issue of education - no one is obliged to share the musical love others - the initiative calls attention to an issue increasingly common: the use of headphones with volume too high. Over time, this habit can cause tinnitus, difficulty in understanding in conversations and even loss of hearing.

The high volume is the main problem in the use of phones - both of shell or insert -, according to experts interviewed by G1 (read this story the hints on correct use of the accessory). The issue has also yielded a bill that wants to ban the sale of digital media with volumes that exceed 90 decibels.

"The digital player became the villain of this story, because of its popularity. We are not against these laptops, but we thought it important that they be used in the correct way, not to produce damage to hearing," explains Ektor Onishi, Otolaryngologist and coordinator of National Campaign for Hearing Health, linked to the Brazilian Society of Otology.

Otorhinolaryngology and associate professor at the Federal University of São Paulo (UNIFESP), Manoel de Nóbrega is the same view. "The players have to be digital. No use banned them, but you can not use them the way users currently do, "he concludes. Besides the damage to hearing, he notes that the acoustic insulation can cause accidents - last week a couple was hit by a train in the UK through the path listening to your iPod.

Check out tips on the correct use of earphone *

>>> For safety, never reach the maximum volume of digital player: the ideal is to go up to 60% capacity.

>>> Do not use headphones in noisy environments, like the subway or a busy avenue - in these cases is very necessary to increase the volume to compete with the external environment.

>>> Do not use phone in one ear, because this can cause loss of asymmetric hearing.

>>> The phones are closer to entering the ear canal of the shell models - equivalent to the comparison between more and less distance between a person and a speaker, for example. Thus, the volume defined by the same player (60% of capacity, for example) may be higher when a USA phone to the insertion of a shell.

>>> Phones with volume control can be dangerous: after reaching the maximum capacity of the device, the user still can increase the sound via the accessory. Only use if not exceed the recommended limit.

>>> The sound level of 85 decibels, the maximum recommended by experts, the user can listen to eight hours of uninterrupted music. In this volume, you can hear the voice of a person next.

>>> The higher the volume, the lower the time of use of phones: 95 decibels, four hours, 100 dB, two hours, 105 dB, 1 hour.

>>> To the user has an idea of how to represent dB, give details of the Brazilian Society of Otology: talk to a meter is 60 decibels, 85 decibels is busy avenue, a strong piano playing is 95 decibels, a drill has 105 decibels, a rock concert near the speaker has between 105 and 120 decibels and an electric saw is 110 decibels.

>>> There is an individual predisposition to develop the person or not hearing loss. Therefore, the friend that the USA in a high volume digital player and has no problems should not be a reference.

>>> If you find any problem with hearing - difficult to hear people and need to increase the volume of the TV, for example - look for a specialist.

* Sources: Ektor Onishi (Otolaryngologist and coordinator of the National Campaign for Hearing Health, linked to the Brazilian Society of Otology) and Manoel de Nóbrega (Otolaryngologist and Associate Professor, Federal University of São Paulo - UNIFESP) and the Brazilian Society of Otology.




Source: G1 news