{"id":10356,"date":"2021-11-21T19:53:23","date_gmt":"2021-11-21T12:53:23","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=10356"},"modified":"2021-11-21T20:11:20","modified_gmt":"2021-11-21T13:11:20","slug":"tai-sao-am-thanh-nghe-trong-dien-thoai-bi-re","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/tai-sao-am-thanh-nghe-trong-dien-thoai-bi-re\/","title":{"rendered":"T\u1ea1i sao \u00e2m thanh nghe trong \u0111i\u1ec7n tho\u1ea1i b\u1ecb r\u00e8?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Khi g\u1ecdi \u0111i\u1ec7n tho\u1ea1i, th\u1ec9nh tho\u1ea3ng ta nghe th\u1ea5y ti\u1ebfng r\u00e8 hay ti\u1ebfng r\u00edt ch\u00f3i tai trong \u0111i\u1ec7n tho\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u1ebfng r\u00e8 trong \u0111i\u1ec7n tho\u1ea1i l\u00e0 do thi\u1ebft b\u1ecb khu\u1ebfch \u0111\u1ea1i trong \u0111\u01b0\u1eddng \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c m\u00e1t \u0111i\u1ec7n tho\u1ea1i ph\u00e1t sinh dao \u0111\u1ed9ng t\u1ef1 k\u00edch m\u00e0 c\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u00fang ta \u0111\u1ec1u nh\u00ecn th\u1ea5y micr\u00f4 v\u00e0 thi\u1ebft b\u1ecb t\u0103ng \u00e2m s\u1eed d\u1ee5ng khi c\u00f3 bi\u1ec3u di\u1ec5n tr\u00ean s\u00e2n kh\u1ea5u r\u1ed3i ch\u1ee9? Khi <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">chuy\u00ean gia<\/a> \u00e2m thanh ch\u01b0a \u0111i\u1ec1u ch\u1ec9nh xong \u0111\u01b0\u1eddng ra c\u1ee7a m\u00e1y t\u0103ng \u00e2m th\u00ec c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng dao \u0111\u1ed9ng t\u1ef1 k\u00edch. L\u00fac n\u00e0y t\u1eeb loa s\u1ebd ph\u00e1t ra ti\u1ebfng r\u00edt \u0111inh tai. Ti\u1ebfng r\u00e8 trong m\u00e1y \u0111i\u1ec7n tho\u1ea1i c\u0169ng v\u1eady. Khi b\u1ea1n nh\u1ea5c \u1ed1ng nghe c\u1ee7a m\u00e1y \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c l\u00e0 \u1ea5n n\u00fat kh\u00f4ng nh\u1ea5c m\u00e1y th\u00ec c\u00f3 khi nghe th\u1ea5y m\u1ed9t h\u1ed3i ti\u1ebfng r\u00fa r\u00edt. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y ph\u1ea7n l\u1edbn l\u00e0 do linh ki\u1ec7n n\u00e0o \u0111\u00f3 trong m\u00e1y \u0111i\u1ec7n tho\u1ea1i m\u1ed1i h\u00e0n n\u1ed1i kh\u00f4ng t\u1ed1t. Trong tr\u01b0\u1eddng h\u1ee3p th\u00f4ng th\u01b0\u1eddng thi\u1ebft b\u1ecb khu\u1ebfch \u0111\u1ea1i trong m\u00e1y \u0111i\u1ec7n tho\u1ea1i l\u00e0m vi\u1ec7c b\u00ecnh th\u01b0\u1eddng th\u00ec kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng dao \u0111\u1ed9ng t\u1ef1 k\u00edch. Th\u1ebf nh\u01b0ng, khi m\u00e0 linh ki\u1ec7n \u0111i\u1ec7n t\u1eed c\u1ee7a \u0111i\u1ec7n tho\u1ea1i b\u1ecb h\u1ecfng s\u1ebd l\u00e0m thay \u0111\u1ed5i \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c b\u00ecnh th\u01b0\u1eddng c\u1ee7a \u0111\u01b0\u1eddng \u0111i\u1ec7n khu\u1ebfch \u0111\u1ea1i c\u1ee7a m\u00e1y \u0111i\u1ec7n tho\u1ea1i. Khi\u1ebfn cho \u0111\u1eb7c t\u00ednh c\u00f4ng t\u00e1c c\u1ee7a thi\u1ebft b\u1ecb khu\u1ebfch \u0111\u1ea1i tr\u1edf n\u00ean x\u1ea5u h\u1eb3n, d\u1eabn t\u1edbi t\u1ef1 k\u00edch c\u1ee7a thi\u1ebft b\u1ecb khu\u1ebfch \u0111\u1ea1i ph\u00e1t sinh dao \u0111\u1ed9ng, v\u00e0 nghe th\u1ea5y ti\u1ebfng r\u00e9o s\u00f4i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi ta g\u1ecdi \u0111i\u1ec7n tho\u1ea1i \u0111\u01b0\u1eddng d\u00e0i, c\u00f3 l\u00fac c\u0169ng nghe th\u1ea5y ti\u1ebfng r\u00e9o. \u0110\u00f3 l\u00e0 ph\u1ea7n l\u1edbn do m\u1ed9t b\u1ed9 ph\u1eadn thi\u1ebft b\u1ecb t\u0103ng \u00e2m khu\u1ebfch \u0111\u1ea1i trong \u0111\u01b0\u1eddng \u0111i\u1ec7n \u0111\u01b0\u1eddng d\u00e0i kh\u00f4ng \u1ed5n \u0111\u1ecbnh, t\u1ec9 su\u1ea5t t\u0103ng qu\u00e1 l\u1edbn. C\u00e1p \u0111i\u1ec7n \u0111\u01b0\u1eddng d\u00e0i qu\u00e1 d\u00e0i th\u01b0\u1eddng do t\u00e1c \u0111\u1ed9ng c\u1ee7a kh\u00ed h\u1eadu, d\u00f2ng \u0111i\u1ec7n m\u00e0 d\u1eabn \u0111\u1ebfn \u0111\u01b0\u1eddng d\u00e2y b\u1ecb k\u00e9m \u0111i, l\u00e0m cho t\u00edn hi\u1ec7u l\u1eddi n\u00f3i b\u1ecb suy gi\u1ea3m. B\u1edfi v\u1eady, c\u1ea7n l\u1eafp \u0111\u1eb7t th\u00eam thi\u1ebft b\u1ecb t\u0103ng \u00e2m d\u1ecdc tuy\u1ebfn th\u00ec m\u1edbi \u0111\u1ea3m b\u1ea3o t\u00edn hi\u1ec7u l\u1eddi n\u00f3i \u0111\u1ebfn ng\u01b0\u1eddi nh\u1eadn \u1edf m\u1ee9c t\u1ed1t nh\u1ea5t sau ch\u1eb7ng \u0111\u01b0\u1eddng d\u00e0i. N\u1ebfu t\u1ec9 su\u1ea5t t\u0103ng c\u1ee7a thi\u1ebft b\u1ecb t\u0103ng \u00e2m qu\u00e1 l\u1edbn, s\u1ebd l\u00e0m h\u1ecfng c\u00f4ng vi\u1ec7c b\u00ecnh th\u01b0\u1eddng c\u1ee7a thi\u1ebft b\u1ecb t\u0103ng \u00e2m tr\u00ean tuy\u1ebfn \u0111\u01b0\u1eddng d\u00e2y, x\u1ea3y ra dao \u0111\u1ed9ng t\u1ef1 k\u00edch v\u00e0 ph\u00e1t ra ti\u1ebfng r\u00fa r\u00edt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7t kh\u00e1c, c\u00f3 nh\u1eefng m\u00e1y \u0111i\u1ec7n tho\u1ea1i thi\u1ebft b\u1ecb ph\u00e1t v\u00e0 nh\u1eadn t\u00edn hi\u1ec7u qu\u00e1 nh\u1ea1y, \u0111\u1ebfn n\u1ed7i nh\u1eefng ti\u1ebfng \u0111\u1ed9ng xung quanh ho\u1eb7c \u0111\u1ed9ng t\u00e1c g\u00e1c m\u00e1y d\u00f9 nh\u1eb9 \u1edf tr\u00ean b\u00e0n c\u0169ng d\u1eabn t\u1edbi rung \u0111\u1ed9ng c\u1ee7a m\u1ea1ng d\u1eabn ti\u1ebfng, do v\u1eady m\u00e0 c\u00f3 ti\u1ebfng \u1ed3n. Ch\u00fang ta bi\u1ebft r\u1eb1ng \u1ed1ng nghe c\u1ee7a m\u00e1y \u0111i\u1ec7n tho\u1ea1i l\u00e0m b\u1eb1ng nh\u1ef1a nh\u1eb9, d\u1ec5 sinh hi\u1ec7n t\u01b0\u1ee3ng c\u1ed9ng h\u01b0\u1edfng. K\u1ebft qu\u1ea3 c\u1ed9ng h\u01b0\u1edfng s\u1ebd c\u00f3 d\u00f2ng \u0111i\u1ec7n giao bi\u1ebfn lu\u00f4n d\u1eabn \u0111\u1ebfn thi\u1ebft b\u1ecb thu ti\u1ebfng m\u00e0 sinh ra t\u1ea1p \u00e2m. Do thi\u1ebft b\u1ecb thu, ph\u00e1t ti\u1ebfng \u1edf g\u1ea7n k\u1ec1 nhau m\u00e0 ti\u1ebfng \u0111\u1ed9ng nh\u1eb9 do thi\u1ebft b\u1ecb thu ti\u1ebfng ph\u00e1t ra, qua kh\u00f4ng kh\u00ed tr\u1edf l\u1ea1i v\u1edbi thi\u1ebft b\u1ecb ph\u00e1t ti\u1ebfng. C\u1ee9 lu\u1ea9n qu\u1ea9n nh\u01b0 v\u1eady gi\u1eefa thi\u1ebft b\u1ecb thu, ph\u00e1t s\u1ebd c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng dao \u0111\u1ed9ng t\u1ef1 k\u00edch, sinh ra ti\u1ebfng r\u00fa r\u00edt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dao \u0111\u1ed9ng t\u1ef1 k\u00edch c\u1ee7a m\u00e1y \u0111i\u1ec7n tho\u1ea1i ch\u1ec9 c\u00f3 h\u1ea1i th\u00f4i, n\u00f3 s\u1ebd l\u00e0m cho tu\u1ed5i th\u1ecd c\u1ee7a m\u00e1y r\u00fat ng\u1eafn l\u1ea1i. Cho n\u00ean th\u1ea5y ti\u1ebfng r\u00e9o c\u1ee7a m\u00e1y th\u00ec c\u1ea7n ph\u1ea3i t\u00ecm ra nguy\u00ean nh\u00e2n m\u00e0 k\u1ecbp th\u1eddi s\u1eeda ch\u1eefa. B\u00ecnh th\u01b0\u1eddng c\u1ea7n ch\u00fa \u00fd b\u1ea3o v\u1ec7, b\u1ea3o d\u01b0\u1ee1ng t\u1ed1t m\u00e1y \u0111i\u1ec7n tho\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb kh\u00f3a: Thi\u1ebft b\u1ecb ph\u00e1t ti\u1ebfng (\u1ed1ng n\u00f3i c\u1ee7a m\u00e1y \u0111i\u1ec7n tho\u1ea1i); Thi\u1ebft b\u1ecb thu ti\u1ebfng (\u1ed1ng nghe);<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Khi g\u1ecdi \u0111i\u1ec7n tho\u1ea1i, th\u1ec9nh tho\u1ea3ng ta nghe th\u1ea5y ti\u1ebfng r\u00e8 hay ti\u1ebfng r\u00edt ch\u00f3i tai trong \u0111i\u1ec7n tho\u1ea1i. Ti\u1ebfng r\u00e8 trong \u0111i\u1ec7n tho\u1ea1i l\u00e0 do thi\u1ebft b\u1ecb khu\u1ebfch \u0111\u1ea1i trong \u0111\u01b0\u1eddng \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c m\u00e1t \u0111i\u1ec7n tho\u1ea1i ph\u00e1t sinh dao \u0111\u1ed9ng t\u1ef1 k\u00edch m\u00e0 c\u00f3. Ch\u00fang ta \u0111\u1ec1u nh\u00ecn th\u1ea5y micr\u00f4 v\u00e0 thi\u1ebft b\u1ecb [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,13],"tags":[],"class_list":["post-10356","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-tin-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10356","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=10356"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10356\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=10356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=10356"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=10356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}