{"id":14347299,"date":"2026-06-09T14:07:15","date_gmt":"2026-06-09T07:07:15","guid":{"rendered":"https:\/\/yp.vn\/?p=14347299"},"modified":"2026-06-09T14:07:15","modified_gmt":"2026-06-09T07:07:15","slug":"nghe-thuat-thiet-bi-dien-chong-o-nhiem-tieng-trong-ngoi-nha","status":"publish","type":"post","link":"https:\/\/yp.com.vn\/nghe-thuat-thiet-bi-dien-chong-o-nhiem-tieng-trong-ngoi-nha\/","title":{"rendered":"Ngh\u1ec7 thu\u1eadt ch\u1ecdn Thi\u1ebft b\u1ecb \u0111i\u1ec7n ch\u1ed1ng \u00f4 nhi\u1ec5m ti\u1ebfng \u1ed3n trong ng\u00f4i nh\u00e0 b\u1ea1n"},"content":{"rendered":"

Cu\u1ed9c s\u1ed1ng hi\u1ec7n \u0111\u1ea1i v\u1edbi thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/b> v\u00e2y h\u00e3m ch\u00fang ta trong \u0111\u1ee7 lo\u1ea1i \u00e2m thanh: ti\u1ebfng c\u00f2i xe inh \u1ecfi ngo\u00e0i \u0111\u01b0\u1eddng, ti\u1ebfng b\u00e0n t\u00e1n n\u01a1i c\u00f4ng s\u1edf, v\u00e0 khi tr\u1edf v\u1ec1 nh\u00e0, ch\u00fang ta l\u1ea1i ti\u1ebfp t\u1ee5c \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t lo\u1ea1i \u00e1p l\u1ef1c v\u00f4 h\u00ecnh kh\u00e1c \u2013 \u00f4 nhi\u1ec5m ti\u1ebfng \u1ed3n \u0111\u00f4 th\u1ecb. Nh\u01b0ng c\u00f3 bao gi\u1edd b\u1ea1n nh\u1eadn ra, ngay trong kh\u00f4ng gian ri\u00eang t\u01b0 v\u1ed1n \u0111\u1ec3 ngh\u1ec9 ng\u01a1i, tai c\u1ee7a ch\u00fang ta v\u1eabn ch\u01b0a th\u1ef1c s\u1ef1 \u0111\u01b0\u1ee3c y\u00ean t\u0129nh?<\/p>\n

Ti\u1ebfng vo vo tr\u1ea7m u\u1ea5t t\u1eeb t\u1ee7 l\u1ea1nh, ti\u1ebfng r\u00edt gi\u00f3 t\u1eeb chi\u1ebfc \u0111i\u1ec1u h\u00f2a th\u1ebf h\u1ec7 c\u0169, hay ti\u1ebfng rung b\u1ea7n b\u1eadt c\u1ee7a m\u00e1y gi\u1eb7t khi v\u1eaft… t\u1ea5t c\u1ea3 \u0111\u1ec1u b\u1eaft ngu\u1ed3n t\u1eeb h\u1ec7 th\u1ed1ng thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/b><\/a> trong nh\u00e0. \u0110\u00e3 \u0111\u1ebfn l\u00fac ch\u00fang ta c\u1ea7n \u0111\u1ecbnh ngh\u0129a l\u1ea1i v\u1ec1 m\u1ed9t kh\u00f4ng gian s\u1ed1ng ch\u1ea5t l\u01b0\u1ee3ng cao, n\u01a1i m\u00e0 “s\u1ef1 im l\u1eb7ng” tr\u1edf th\u00e0nh m\u1ed9t th\u1ee9 xa x\u1ec9 ph\u1ea9m \u0111\u00e1ng gi\u00e1.<\/p>\n

\u00d4 nhi\u1ec5m ti\u1ebfng \u1ed3n tr\u1eafng \u2013 K\u1ebb \u0111\u00e1nh c\u1eafp s\u1ee9c kh\u1ecfe th\u1ea7m l\u1eb7ng<\/h3>\n

Nhi\u1ec1u ng\u01b0\u1eddi trong ch\u00fang ta c\u00f3 th\u00f3i quen t\u1eb7c l\u01b0\u1ee1i b\u1ecf qua nh\u1eefng t\u1ea1p \u00e2m nh\u1ecf ph\u00e1t ra t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/b> d\u00e2n d\u1ee5ng v\u00ec ngh\u0129 “nghe l\u00e2u r\u1ed3i c\u0169ng quen”. Tuy nhi\u00ean, theo c\u00e1c nghi\u00ean c\u1ee9u v\u1ec1 y h\u1ecdc v\u00e0 t\u00e2m l\u00fd h\u1ecdc, b\u1ed9 n\u00e3o con ng\u01b0\u1eddi kh\u00f4ng h\u1ec1 ng\u1ee7 khi c\u00f3 ti\u1ebfng \u1ed3n. Nh\u1eefng \u00e2m thanh c\u00f3 t\u1ea7n s\u1ed1 th\u1ea5p ho\u1eb7c kh\u00f4ng \u0111\u1ec1u \u0111\u1eb7n t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/b> k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng li\u00ean t\u1ee5c k\u00edch th\u00edch h\u1ec7 th\u1ea7n kinh, l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng gi\u1ea5c ng\u1ee7 s\u00e2u v\u00e0 l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u d\u1eabn \u0111\u1ebfn c\u1ea3m gi\u00e1c m\u1ec7t m\u1ecfi, k\u00e9m t\u1eadp trung v\u00e0o s\u00e1ng h\u00f4m sau.<\/p>\n

\u0110\u1ed1i v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c hay nh\u00e0 x\u01b0\u1edfng, ti\u1ebfng \u1ed3n t\u1eeb t\u1ee7 \u0111i\u1ec7n, m\u00e1y bi\u1ebfn \u00e1p hay h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 l\u1ea1i c\u00e0ng l\u00e0 m\u1ed9t b\u00e0i to\u00e1n \u0111au \u0111\u1ea7u. N\u00f3 kh\u00f4ng ch\u1ec9 l\u00e0m gi\u1ea3m n\u0103ng su\u1ea5t lao \u0111\u1ed9ng m\u00e0 c\u00f2n g\u00e2y \u1ee9c ch\u1ebf t\u00e2m l\u00fd k\u00e9o d\u00e0i cho nh\u00e2n s\u1ef1. Ch\u00ednh v\u00ec v\u1eady, vi\u1ec7c l\u1ef1a ch\u1ecdn v\u00e0 quy ho\u1ea1ch thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/b><\/a> gi\u1ea3m thi\u1ec3u ti\u1ebfng \u1ed3n \u0111ang tr\u1edf th\u00e0nh m\u1ed9t xu h\u01b0\u1edbng t\u1ea5t y\u1ebfu trong c\u1ea3 ki\u1ebfn tr\u00fac d\u00e2n d\u1ee5ng l\u1eabn c\u00f4ng nghi\u1ec7p.<\/p>\n

Ngh\u1ec7 thu\u1eadt ch\u1ecdn thi\u1ebft b\u1ecb \u0111i\u1ec7n: Khi c\u00f4ng ngh\u1ec7 h\u1ecdc c\u00e1ch “\u00eam ru”<\/h3>\n

M\u1ed9t h\u1ec7 th\u1ed1ng \u0111i\u1ec7n v\u1eadn h\u00e0nh t\u0129nh l\u1eb7ng kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 ng\u1eabu nhi\u00ean, \u0111\u00f3 l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a \u0111\u1ec9nh cao c\u00f4ng ngh\u1ec7 ch\u1ebf t\u1ea1o ch\u00ednh x\u00e1c. Khi ch\u1ecdn mua ho\u1eb7c n\u00e2ng c\u1ea5p h\u1ec7 th\u1ed1ng, ng\u01b0\u1eddi ti\u00eau d\u00f9ng v\u00e0 c\u00e1c k\u1ef9 s\u01b0 hi\u1ec7n \u0111\u1ea1i c\u1ea7n \u0111\u1eb7c bi\u1ec7t l\u01b0u \u00fd \u0111\u1ebfn c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt sau \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a tr\u1ea3i nghi\u1ec7m kh\u1ee9u gi\u00e1c v\u00e0 th\u00ednh gi\u00e1c:<\/p>\n

1. C\u00f4ng ngh\u1ec7 bi\u1ebfn t\u1ea7n Inverter th\u1ebf h\u1ec7 m\u1edbi<\/h4>\n

Tr\u00e1i tim c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/b> c\u00f3 \u0111\u1ed9ng c\u01a1 (nh\u01b0 \u0111i\u1ec1u h\u00f2a, t\u1ee7 l\u1ea1nh, m\u00e1y b\u01a1m) ch\u00ednh l\u00e0 m\u00e1y n\u00e9n. C\u00e1c d\u00f2ng m\u00e1y truy\u1ec1n th\u1ed1ng th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng theo c\u01a1 ch\u1ebf “b\u1eadt\/t\u1eaft” li\u00ean t\u1ee5c, t\u1ea1o ra nh\u1eefng ti\u1ebfng “kh\u1ef1c” l\u1edbn v\u00e0 ti\u1ebfng g\u1ea7m r\u00fa m\u1ed7i khi kh\u1edfi \u0111\u1ed9ng l\u1ea1i \u0111\u1ec3 b\u00f9 nhi\u1ec7t. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c d\u00f2ng thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/b> \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 Inverter ti\u00ean ti\u1ebfn s\u1ebd duy tr\u00ec \u0111\u1ed9 quay c\u1ee7a \u0111\u1ed9ng c\u01a1 m\u1ed9t c\u00e1ch \u0111\u1ec1u \u0111\u1eb7n, m\u01b0\u1ee3t m\u00e0, gi\u00fap tri\u1ec7t ti\u00eau ho\u00e0n to\u00e0n c\u00e1c t\u1ea7ng \u00e2m thanh g\u00e2y kh\u00f3 ch\u1ecbu n\u00e0y.<\/p>\n

\"thi\u1ebft

c\u00e1c d\u00f2ng thi\u1ebft b\u1ecb \u0111i\u1ec7n \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 Inverter ti\u00ean ti\u1ebfn s\u1ebd duy tr\u00ec \u0111\u1ed9 quay c\u1ee7a \u0111\u1ed9ng c\u01a1 m\u1ed9t c\u00e1ch \u0111\u1ec1u \u0111\u1eb7n<\/p><\/div>\n

2. Ch\u1ec9 s\u1ed1 Decibel (dB) \u2013 Th\u01b0\u1edbc \u0111o c\u1ee7a s\u1ef1 tinh t\u1ebf<\/h4>\n

Khi l\u1eadt xem th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/b> n\u00e0o, h\u00e3y t\u1eadp th\u00f3i quen nh\u00ecn v\u00e0o \u0111\u1ed9 \u1ed3n \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng \u0111\u01a1n v\u1ecb dB. M\u1ed9t kh\u00f4ng gian ph\u00f2ng ng\u1ee7 l\u00fd t\u01b0\u1edfng c\u1ea7n \u0111\u1ed9 \u1ed3n d\u01b0\u1edbi 30 dB. C\u00e1c th\u01b0\u01a1ng hi\u1ec7u cao c\u1ea5p hi\u1ec7n nay khi s\u1ea3n xu\u1ea5t qu\u1ea1t th\u00f4ng gi\u00f3, m\u00e1y l\u1ecdc kh\u00f4ng kh\u00ed hay c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/b> gia d\u1ee5ng \u0111\u1ec1u ch\u1ea1y \u0111ua \u0111\u1ec3 k\u00e9o ch\u1ec9 s\u1ed1 n\u00e0y xu\u1ed1ng m\u1ee9c th\u1ea5p nh\u1ea5t c\u00f3 th\u1ec3, \u0111\u00f4i khi ch\u1ec9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi ti\u1ebfng l\u00e1 r\u1ee5ng.<\/p>\n

3. H\u1ec7 th\u1ed1ng \u0111\u00f3ng c\u1eaft v\u00e0 linh ki\u1ec7n c\u01a1 kh\u00ed ch\u00ednh x\u00e1c<\/h4>\n

Trong m\u1ea3ng \u0111i\u1ec7n c\u00f4ng nghi\u1ec7p v\u00e0 t\u1ee7 \u0111i\u1ec7n gia \u0111\u00ecnh, ti\u1ebfng “t\u1ea1ch” l\u1edbn t\u1eeb c\u00e1c aptomat (CB) hay kh\u1edfi \u0111\u1ed9ng t\u1eeb m\u1ed7i khi \u0111\u00f3ng c\u1eaft d\u00f2ng \u0111i\u1ec7n \u0111\u00f4i khi c\u0169ng g\u00e2y gi\u1eadt m\u00ecnh. Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c d\u00f2ng thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/b> \u0111\u00f3ng c\u1eaft ph\u00e2n kh\u00fac cao c\u1ea5p v\u1edbi c\u1ea5u tr\u00fac c\u01a1 kh\u00ed ch\u00ednh x\u00e1c, l\u00f2 xo gi\u1ea3m ch\u1ea5n t\u1ed1t s\u1ebd gi\u00fap h\u1ec7 th\u1ed1ng v\u1eadn h\u00e0nh tr\u01a1n tru v\u00e0 ho\u00e0n to\u00e0n im l\u1eb7ng.<\/p>\n

\"thi\u1ebft

Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c d\u00f2ng thi\u1ebft b\u1ecb \u0111i\u1ec7n \u0111\u00f3ng c\u1eaft ph\u00e2n kh\u00fac cao c\u1ea5p s\u1ebd gi\u00fap h\u1ec7 th\u1ed1ng v\u1eadn h\u00e0nh tr\u01a1n tru v\u00e0 ho\u00e0n to\u00e0n im l\u1eb7ng<\/p><\/div>\n

\u0110\u1ea7u t\u01b0 cho s\u1ef1 t\u0129nh l\u1eb7ng l\u00e0 \u0111\u1ea7u t\u01b0 cho t\u01b0\u01a1ng lai<\/h3>\n

Nhi\u1ec1u ng\u01b0\u1eddi th\u01b0\u1eddng \u0111\u1eafn \u0111o khi chi ph\u00ed cho c\u00e1c d\u00f2ng thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/b><\/a> ch\u1ed1ng \u1ed3n, v\u1eadn h\u00e0nh \u00eam \u00e1i th\u01b0\u1eddng cao h\u01a1n t\u1eeb 15% \u0111\u1ebfn 30% so v\u1edbi c\u00e1c d\u00f2ng s\u1ea3n ph\u1ea9m ph\u1ed5 th\u00f4ng. Tuy nhi\u00ean, n\u1ebfu l\u00e0m m\u1ed9t b\u00e0i to\u00e1n kinh t\u1ebf v\u00e0 s\u1ee9c kh\u1ecfe d\u00e0i h\u1ea1n, \u0111\u00e2y l\u1ea1i l\u00e0 m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 c\u1ef1c k\u1ef3 th\u00f4ng minh v\u00e0 c\u00f3 l\u1eddi.<\/p>\n

Tr\u01b0\u1edbc h\u1ebft, c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/b><\/a> c\u00f3 kh\u1ea3 n\u0103ng v\u1eadn h\u00e0nh \u00eam \u00e1i th\u01b0\u1eddng \u0111i \u0111\u00f4i v\u1edbi \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc r\u1ea5t cao. Ti\u1ebfng \u1ed3n v\u00e0 \u0111\u1ed9 rung l\u1eafc ch\u00ednh l\u00e0 bi\u1ec3u hi\u1ec7n c\u1ee7a s\u1ef1 ma s\u00e1t l\u1edbn v\u00e0 hao m\u00f2n linh ki\u1ec7n. M\u1ed9t thi\u1ebft b\u1ecb ch\u1ea1y m\u01b0\u1ee3t, kh\u00f4ng ti\u1ebfng \u0111\u1ed9ng \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c c\u00e1c chi ti\u1ebft b\u00ean trong \u0111\u01b0\u1ee3c gia c\u00f4ng v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i, t\u1eeb \u0111\u00f3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd s\u1ea3n ph\u1ea9m v\u00e0 gi\u1ea3m thi\u1ec3u chi ph\u00ed b\u1ea3o tr\u00ec.<\/p>\n

Quan tr\u1ecdng h\u01a1n c\u1ea3, gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t m\u00e0 h\u1ec7 th\u1ed1ng thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/b><\/a> “im l\u1eb7ng” mang l\u1ea1i ch\u00ednh l\u00e0 m\u1ed9t t\u00e2m tr\u00ed b\u00ecnh an, m\u1ed9t gi\u1ea5c ng\u1ee7 s\u00e2u tr\u1ecdn v\u1eb9n cho gia \u0111\u00ecnh b\u1ea1n sau nh\u1eefng gi\u1edd lao \u0111\u1ed9ng c\u0103ng th\u1eb3ng.<\/p>\n

L\u1eddi k\u1ebft<\/h3>\n

Ng\u00f4i nh\u00e0 hay v\u0103n ph\u00f2ng l\u00e0m vi\u1ec7c kh\u00f4ng ch\u1ec9 c\u1ea7n \u0111\u1eb9p v\u1ec1 th\u1ecb gi\u00e1c, m\u00e0 c\u00f2n c\u1ea7n ph\u1ea3i “s\u1ea1ch” v\u1ec1 th\u00ednh gi\u00e1c. Vi\u1ec7c thanh l\u1ecdc kh\u00f4ng gian s\u1ed1ng kh\u1ecfi nh\u1eefng t\u1ea1p \u00e2m c\u01a1 kh\u00ed b\u1eb1ng c\u00e1ch th\u00f4ng minh h\u00f3a h\u1ec7 th\u1ed1ng thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/b> ch\u00ednh l\u00e0 b\u01b0\u1edbc \u0111i \u0111\u1ea7u ti\u00ean c\u1ee7a m\u1ed9t l\u1ed1i s\u1ed1ng tinh t\u1ebf v\u00e0 b\u1ec1n v\u1eefng. H\u00e3y \u0111\u1ec3 s\u1ef1 im l\u1eb7ng \u0111\u1eaft gi\u00e1 ch\u1eefa l\u00e0nh v\u00e0 t\u00e1i t\u1ea1o n\u0103ng l\u01b0\u1ee3ng cho b\u1ea1n m\u1ed7i ng\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"

Cu\u1ed9c s\u1ed1ng hi\u1ec7n \u0111\u1ea1i v\u1edbi thi\u1ebft b\u1ecb \u0111i\u1ec7n v\u00e2y h\u00e3m ch\u00fang ta trong \u0111\u1ee7 lo\u1ea1i \u00e2m thanh: ti\u1ebfng c\u00f2i xe inh \u1ecfi ngo\u00e0i \u0111\u01b0\u1eddng, ti\u1ebfng b\u00e0n t\u00e1n n\u01a1i c\u00f4ng s\u1edf, v\u00e0 khi tr\u1edf v\u1ec1 nh\u00e0, ch\u00fang ta l\u1ea1i ti\u1ebfp t\u1ee5c \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t lo\u1ea1i \u00e1p l\u1ef1c v\u00f4 h\u00ecnh kh\u00e1c \u2013 \u00f4 nhi\u1ec5m ti\u1ebfng \u1ed3n… Xem b\u00e0i vi\u1ebft<\/a><\/p>\n","protected":false},"author":3,"featured_media":14347302,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ep_exclude_from_search":false,"footnotes":""},"categories":[2498],"tags":[],"class_list":["post-14347299","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thiet-bi-dien"],"acf":[],"_links":{"self":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/posts\/14347299","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/comments?post=14347299"}],"version-history":[{"count":1,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/posts\/14347299\/revisions"}],"predecessor-version":[{"id":14347303,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/posts\/14347299\/revisions\/14347303"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/media\/14347302"}],"wp:attachment":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/media?parent=14347299"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/categories?post=14347299"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/tags?post=14347299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}