{"id":71383,"date":"2019-10-25T05:22:19","date_gmt":"2019-10-24T22:22:19","guid":{"rendered":"http:\/\/hoanghamobile.com\/tin-tuc\/?p=71383"},"modified":"2019-11-25T17:51:41","modified_gmt":"2019-11-25T10:51:41","slug":"hong-thinh-giac-do-am-thanh-lon","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/hong-thinh-giac-do-am-thanh-lon\/","title":{"rendered":"C\u00e1ch \u00e2m thanh l\u1edbn “\u00e2m th\u1ea7m” l\u00e0m h\u1ecfng th\u00ednh gi\u00e1c c\u1ee7a b\u1ea1n"},"content":{"rendered":"

Tr\u01b0\u1edbc h\u1ebft, b\u1ea1n c\u1ea7n ph\u1ea3i hi\u1ec3u l\u00e0m th\u1ebf n\u00e0o v\u00e0 l\u00fd do v\u00ec sao h\u1ecfng th\u00ednh gi\u00e1c do \u00e2m thanh l\u1edbn.<\/strong><\/p>\n

\u00c2m thanh l\u1edbn l\u00e0m h\u1ecfng th\u00ednh gi\u00e1c c\u1ee7a b\u1ea1n nh\u01b0 n\u00e0o?<\/strong><\/h2>\n

M\u1ea5t th\u00ednh gi\u00e1c x\u1ea3y ra theo b\u1ed1n c\u00e1ch: m\u1ea5t th\u00ednh l\u1ef1c truy\u1ec1n truy\u1ec1n d\u1eabn, m\u1ea5t th\u00ednh gi\u00e1c gi\u00e1c quan, m\u1ea5t th\u00ednh l\u1ef1c h\u1ed7n h\u1ee3p v\u00e0 r\u1ed1i lo\u1ea1n ph\u1ed5 th\u1ea7n kinh th\u00ednh gi\u00e1c. Trong \u0111\u00f3, m\u1ea5t th\u00ednh l\u1ef1c do ti\u1ebfng \u1ed3n (Noise-Induced Hearing Loss \u2013 g\u1ecdi t\u1eaft NIHL) l\u00e0 m\u1ed9t lo\u1ea1i c\u1ee7a m\u1ea5t th\u00ednh gi\u00e1c gi\u00e1c quan.<\/p>\n

M\u1ea5t th\u00ednh gi\u00e1c gi\u00e1c quan x\u1ea3y ra khi tai trong c\u1ee7a b\u1ea1n b\u1ecb h\u1ecfng. Trong tr\u01b0\u1eddng h\u1ee3p m\u1ea5t th\u00ednh l\u1ef1c do ti\u1ebfng \u1ed3n, h\u1ea7u h\u1ebft c\u00e1c t\u1ed5n th\u01b0\u01a1ng s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c t\u1ebf b\u00e0o c\u1ee7a nh\u1eefng s\u1ee3i l\u00f4ng c\u1ea3m gi\u00e1c nh\u1ecf \u1edf tai trong c\u1ee7a b\u1ea1n. Khi nh\u1eefng t\u1ebf b\u00e0o \u0111\u00f3 b\u1ecb h\u01b0 h\u1ecfng ho\u1eb7c ch\u1ebft, t\u00edn hi\u1ec7u \u0111i\u1ec7n m\u00e0 d\u00e2y th\u1ea7n kinh th\u00ednh gi\u00e1c g\u1eedi \u0111\u1ebfn n\u00e3o c\u1ee7a b\u1ea1n s\u1ebd b\u1ecb thay \u0111\u1ed5i.<\/p>\n

M\u1ea5t th\u00ednh l\u1ef1c do ti\u1ebfng \u1ed3n c\u00f3 th\u1ec3 ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 t\u1ea1m th\u1eddi (\u00f9 tai) hay nghi\u00eam tr\u1ecdng h\u01a1n l\u00e0 ch\u1ee9c n\u0103ng nghe b\u1ecb suy y\u1ebfu v\u0129nh vi\u1ec5n. V\u00ed d\u1ee5 cho tr\u01b0\u1eddng h\u1ee3p n\u00e0y c\u00f3 th\u1ec3 l\u00e0 do bu\u1ed5i h\u00f2a nh\u1ea1c v\u1edbi \u00e2m thanh l\u1edbn, ti\u1ebfng s\u00fang n\u1ed5 g\u1ea7n tai m\u00e0 kh\u00f4ng c\u00f3 thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 tai ho\u1eb7c \u1edf g\u1ea7n m\u1ed9t v\u1ee5 n\u1ed5. \u0110\u00f4i khi l\u00e0 l\u00e0m vi\u1ec7c trong m\u00f4i tr\u01b0\u1eddng \u1ed3n \u00e0o l\u00e2u ng\u00e0y, \u0111eo tai nghe<\/span><\/a> over-ear \/ on-ear\u00a0 \/ in-ear trong th\u1eddi gian d\u00e0i, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi n\u00f3i chuy\u1ec7n \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c trong m\u1ed9t c\u0103n ph\u00f2ng \u0111\u00f4ng ng\u01b0\u1eddi.<\/p>\n

\u0110\u1eebng ch\u1ee7 quan khi \u0111eo tai nghe<\/strong><\/h2>\n

C\u00e1c b\u1ea1n tr\u1ebb l\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng hay m\u1eafc sai l\u1ea7m nh\u1ea5t khi cho l\u00e0 m\u00ecnh nghe nh\u1ea1c v\u1edbi \u00e2m l\u01b0\u1ee3ng v\u1eeba ph\u1ea3i, nh\u01b0ng khi cho ng\u01b0\u1eddi kh\u00e1c nghe th\u1eed l\u1ea1i c\u1ef1c k\u00ec to.<\/p>\n

Theo t\u1ea1p ch\u00ed Noise & Health, m\u1ee9c \u0111\u1ed9 \u1ed3n c\u1ee7a ‘tai nghe nh\u00e9t tai’ v\u00e0 ‘tai nghe tr\u00f9m tai’ c\u00f3 th\u1ec3 l\u00ean t\u1edbi 139 decibel, t\u1ee9c n\u00f3 l\u1edbn h\u01a1n nhi\u1ec1u so v\u1edbi ph\u1ea1m vi ti\u1ebfp x\u00fac \u00e2m thanh h\u00e0ng ng\u00e0y \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t l\u00e0 t\u1eeb 60 \u0111\u1ebfn 85 decibel.<\/p>\n

\u0110\u1ed1i v\u1edbi tai nghe tr\u00f9m tai, m\u1ee9c \u00e2m thanh c\u00f3 gi\u00e1 tr\u1ecb t\u0103ng d\u1ea7n t\u1eeb 94 \u0111\u1ebfn 110 decibel. Kho\u1ea3ng \u00e2m thanh c\u1ee7a m\u1ed9t cu\u1ed9c tr\u00f2 chuy\u1ec7n trung b\u00ecnh l\u00e0 60 decibel l\u00e0 v\u00e0 m\u1ed9t bu\u1ed5i h\u00f2a nh\u1ea1c rock l\u00e0 130 decibel.<\/p>\n

M\u1ee9c an to\u00e0n cho th\u00ednh l\u1ef1c khi nghe trong th\u1eddi gian d\u00e0i l\u00e0 c\u00e1c \u00e2m thanh c\u00f3 gi\u00e1 tr\u1ecb d\u01b0\u1edbi 75 decibel v\u00e0 85 decibel l\u00e0 m\u1ee9c \u00e2m thanh t\u1ed1i \u0111a<\/strong> m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 nghe trong t\u00e1m gi\u1edd. N\u1ebfu m\u1ee9c decibel c\u00e0ng cao v\u00e0 ti\u1ebfp x\u00fac l\u00e2u v\u1edbi \u00e2m thanh tr\u00ean 85 decibel, NIHL s\u1ebd c\u00e0ng nhanh ch\u00f3ng x\u1ea3y ra v\u00e0 th\u00ednh l\u1ef1c s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p>\n

Nghe nh\u1ea1c t\u00e1m ti\u1ebfng m\u1ed9t ng\u00e0y t\u1eeb tai nghe \u1edf m\u1ee9c l\u1edbn h\u01a1n 85 decibel c\u00f3 th\u1ec3 g\u00e2y t\u1ed5n th\u01b0\u01a1ng v\u0129nh vi\u1ec5n cho tai c\u1ee7a b\u1ea1n.<\/p><\/blockquote>\n

C\u00e1c \u00e2m thanh quen thu\u1ed9c h\u00e0ng ng\u00e0y c\u00f3 m\u1ee9c dB nh\u01b0 sau:<\/p>\n

    \n
  • \u0110\u1ed9ng c\u01a1 t\u1ee7 l\u1ea1nh: 45 dB<\/li>\n
  • N\u00f3i chuy\u1ec7n th\u00f4ng th\u01b0\u1eddng: 60 dB<\/li>\n
  • Xe c\u1ed9 \u0111\u00f4ng \u0111\u00fac: 85 dB<\/li>\n
  • Xe m\u00f4t\u00f4: 95 dB<\/li>\n
  • M\u00e1y nghe nh\u1ea1c v\u1edbi \u00e2m l\u01b0\u1ee3ng t\u1ed1i \u0111a: 105 dB<\/li>\n
  • C\u00f2i hi\u1ec7u: 120 dB<\/li>\n
  • Ti\u1ebfng ph\u00e1o – s\u00fang: 150 dB<\/li>\n<\/ul>\n

    \u00c2m thanh c\u00f3 \u0111\u01a1n v\u1ecb t\u00ednh l\u00e0 decibel (dB)<\/p><\/blockquote>\n

    L\u01b0u \u00fd r\u1eb1ng, m\u1ed1i quan h\u1ec7 gi\u1eefa decibel v\u00e0 th\u1eddi gian kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng \u0111\u00fang. Theo CDC<\/span><\/a>, c\u1ee9 ba decibel, th\u1eddi gian ti\u1ebfp x\u00fac an to\u00e0n gi\u1ea3m \u0111i m\u1ed9t n\u1eeda. \u1ede m\u1ee9c 88 decibel, b\u1ea1n ch\u1ec9 c\u00f3 th\u1ec3 nghe m\u1ed9t c\u00e1ch an to\u00e0n trong b\u1ed1n gi\u1edd; \u1edf m\u1ee9c 91 decibel, ch\u1ec9 hai gi\u1edd.<\/p>\n

    C\u00e1ch b\u1ea3o v\u1ec7 tai kh\u1ecfi NIHL (m\u1ea5t th\u00ednh l\u1ef1c do ti\u1ebfng \u1ed3n) nh\u01b0 n\u00e0o?<\/strong><\/h2>\n

    <\/b>Quan tr\u1ecdng nh\u1ea5t l\u00e0 kh\u00f4ng n\u00ean ti\u1ebfp x\u00fac v\u1edbi \u00e2m thanh \u1edf m\u1ee9c \u00e2m l\u01b0\u1ee3ng l\u1edbn trong th\u1eddi gian d\u00e0i, d\u00f9 \u1edf b\u1ea5t k\u00ec m\u00f4i tr\u01b0\u1eddng n\u00e0o. Kh\u00f4ng n\u00ean \u0111eo tai nghe n\u00fat cao su v\u00e0 \u1ed1p tai trong th\u1eddi gian d\u00e0i b\u1edfi \u00e2m thanh s\u1ebd r\u1ea5t k\u00edn v\u00e0 kh\u00f4ng tho\u00e1t ra \u0111\u01b0\u1ee3c, ngo\u00e0i ra n\u00f3 c\u0169ng g\u00e2y \u0111au cho v\u00e0nh tai v\u00e0 g\u00e2y vi\u00eam nhi\u1ec5m do \u1ea9m th\u1ea5p.<\/p>\n

    \"H\u1ecfng<\/picture><\/p>\n

    M\u1ed9t v\u00e0i ghi ch\u00fa kh\u00e1c:<\/p>\n

      \n
    • N\u00ean d\u00f9ng b\u00f4ng ho\u1eb7c m\u00fat tai khi \u0111i m\u00e1y bay ho\u1eb7c l\u00e0m vi\u1ec7c trong m\u00f4i tr\u01b0\u1eddng \u1ed3n l\u00e2u d\u00e0i (c\u00f3 b\u00e1n trong c\u00e1c c\u1eeda h\u00e0ng ti\u1ec7n l\u1ee3i).<\/li>\n
    • Kh\u00f4ng n\u00ean \u0111\u1ee9ng g\u1ea7n loa c\u00f4ng su\u1ea5t l\u1edbn trong nh\u1eefng bu\u1ed5i h\u00f2a nh\u1ea1c, party,…<\/li>\n
    • \u0110i \u0111\u01b0\u1eddng tr\u00e1nh \u0111i g\u1ea7n c\u00e1c xe t\u1ea3i l\u1edbn, xe th\u1ed3, xe \u0111\u1ed9 b\u1edfi c\u00f2i hi\u1ec7u r\u1ea5t l\u1edbn. \u0110\u1eb7c bi\u1ec7t l\u00e0 ng\u01b0\u1eddi l\u1edbn tu\u1ed5i.<\/li>\n<\/ul>\n

      T\u1ed5ng k\u1ebft l\u1ea1i, h\u1ecfng th\u00ednh gi\u00e1c do \u00e2m thanh l\u1edbn r\u1ea5t nguy hi\u1ec3m, n\u00f3 c\u00f3 th\u1ec3 kh\u00f4ng x\u1ea3y ra t\u1ee9c th\u1eddi m\u00e0 ph\u1ea3i sau n\u00e0y m\u1edbi ph\u00e1t tri\u1ec7u ch\u1ee9ng. N\u1ebfu th\u1ea5y h\u1eefu \u00edch \u0111\u1eebng qu\u00ean chia s\u1ebb cho b\u1ea1n b\u00e8 c\u00f9ng bi\u1ebft v\u00e0 \u0111\u1eebng qu\u00ean theo d\u00f5i Ho\u00e0ng H\u00e0 Mobile<\/span><\/a> \u0111\u1ec3 c\u1eadp nh\u1eadt c\u00e1c tin t\u1ee9c c\u00f4ng ngh\u1ec7 m\u1edbi nh\u1ea5t nh\u00e9.<\/p>\n

      Tham gia\u00a0Ho\u00e0ng H\u00e0 Mobile\u00a0Group<\/a><\/span>\u00a0\u0111\u1ec3 c\u1eadp nh\u1eadt nh\u1eefng ch\u01b0\u01a1ng tr\u00ecnh v\u00e0 \u01b0u \u0111\u00e3i s\u1edbm nh\u1ea5t<\/p><\/blockquote>\n

      Xem th\u00eam<\/strong>: Samsung Galaxy A20s: R\u1ea5t \u0111\u00e1ng mua trong ph\u00e2n kh\u00fac “h\u1ea1t d\u1ebb”?!<\/p>\n