When I went back from my campus, I saw someone in public transportation. After she entered the public transportation, she sat down, opened her bag, took out a pair of earphones, and used it in both of her ears. Several second later, she enjoyed music. I didn't know what kind of music player she used, but now mp3 players seemed very popular. Do you know that may be It must be cautioned?

Ketika aku melakukan perjalanan pulang dari kampus, aku mengamati seseorang di angkutan kota . Setelah dia masuk ke dalam angkutan kota, dia duduk, membuka tasnya, mengeluarkan sepasang earphone dan mengenakannya di kedua telinganya. Tak lama setelahnya, dia asik mendengarkan lagu. Entah pemutar musik jenis apa yang dipakainya, tapi sekarang ini mp3 player cukup digemari. Tahukah Anda, bahwa sebenarnya alat itu bisa berbahaya?

Ketika aku melakukan perjalanan pulang dari kampus, aku mengamati seseorang di angkutan kota . Setelah dia masuk ke dalam angkutan kota, dia duduk, membuka tasnya, mengeluarkan sepasang earphone dan mengenakannya di kedua telinganya. Tak lama setelahnya, dia asik mendengarkan lagu.

When I went back from my campus, I saw someone in public transportation. After she entered the public transportation, she sat down, opened her bag, took out a pair of earphones, and used it in both of her ears. Several second later, she enjoyed music.

Kini, pemutar musik portabel memang banyak digemari. Sehari-hari di jalan, di angkutan umum, di stasiun, dll banyak ditemukan orang-orang menggunakan alat-alat ini, tapi tahukah Anda bahwa alat-alat ini juga belum tentu baik bagi kesehatan kita?

Now, portable music players become popular. Everyday, on the street, in public transportations, stations, etc this gadgets are found used by many people, but do you know that using this gadgets may not good for our healthy?

Jika menggunakan headphone, bertambah 7-9dB.
Rata-rata pemutar CD portabel mempunyai intensitas bunyi sekitar 91-121dB.

If headphones are used, they add about 7-9dB.
Average portable CD player have S/N ratio about 91-121dB.

OSHA Permissible Noise Exposure

British Standard

Menurut Furrer:
50-60dB : pembicaraan rumit mulai terganggu
> 60dB : cukup bising, konsentrasi menurun, kemampuan berhitung menurun, daya reaksi menurun, akibatnya prestasi kerja menurun.
> 70dB : sangat bising

Based on Furrer:
50-60dB: complex conversation is annoyed
> 60dB : quite noisy, concentration down, calculation ability down, body reaction down, so working ability worse.
> 70dB : very noisy

Royal National Institute for Deaf People (RNID), Inggris, menyatakan 80 desibel merupakan level dimana pendengaran terancam - 20 kurang dari bor pnumatik. Seorang pembicara menyatakan: "RNID peduli untuk beberapa waktu bahwa banyak orang menyetel volume stereo pribadi mereka ke level yang dapat mengakibatkan kehilangan pendengaran dalam jangka waktu yang lama"

The Royal National Institute for Deaf People (RNID), England, regards 80 decibels as the level at which hearing is threatened - 20 less than a pneumatic drill. A spokesman said: "RNID has been concerned for some time that many people are turning up the volume on their personal stereos to levels that could create hearing loss in the long term."

Graham Frost, Ketua British Society of Audiology menyebutkan, resiko kerusakan pendengaran meningkat seiring dengan level kebisingan dan durasi penggunaan pemutar musik portabel. Menurut dia, perlu waktu bulanan atau tahunan hingga efeknya terasa kepada individu.

Graham Frost, chairman of the British Society of Audiology, said the risk of damage increased with noise level and duration of use of personal music systems. He said it could take months or years for that become apparent to the individual.

Kesimpulan, sebaiknya jangan menyetel musik hingga volume suara maksimal dan terlalu lama (beri waktu istirahat untuk telinga).

So, don't listen to music to maximum sound volume and too long (give breaks for your ears).