{"id":3394,"date":"2026-04-26T20:53:43","date_gmt":"2026-04-26T13:53:43","guid":{"rendered":"https:\/\/www.gocdidong.net\/index.php\/cong-nghe-anc-hieu-ro-va-lua-chon-dung-chuan\/"},"modified":"2026-04-26T20:53:43","modified_gmt":"2026-04-26T13:53:43","slug":"cong-nghe-anc-hieu-ro-va-lua-chon-dung-chuan","status":"publish","type":"post","link":"https:\/\/www.gocdidong.net\/index.php\/cong-nghe-anc-hieu-ro-va-lua-chon-dung-chuan\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 ANC: Hi\u1ec3u r\u00f5 v\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00fang chu\u1ea9n"},"content":{"rendered":"

Trong th\u1ebf gi\u1edbi hi\u1ec7n \u0111\u1ea1i, vi\u1ec7c s\u1eed d\u1ee5ng tai nghe \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y. Tuy nhi\u00ean, vi\u1ec7c ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi ti\u1ebfng \u1ed3n t\u1eeb m\u00f4i tr\u01b0\u1eddng xung quanh nh\u01b0 ti\u1ebfng xe c\u1ed9, ti\u1ebfng n\u00f3i chuy\u1ec7n hay ti\u1ebfng gi\u00f3 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m tr\u1ea3i nghi\u1ec7m nghe nh\u1ea1c c\u1ee7a b\u1ea1n. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao c\u00f4ng ngh\u1ec7 ch\u1ed1ng \u1ed3n ch\u1ee7 \u0111\u1ed9ng (ANC) \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn. H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 ANC, c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3 v\u00e0 c\u00e1ch ph\u00e2n bi\u1ec7t v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 kh\u00e1c nh\u01b0 ENC v\u00e0 PNC \u0111\u1ec3 c\u00f3 s\u1ef1 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p nh\u1ea5t.<\/p>\n

Kh\u00e1i ni\u1ec7m v\u1ec1 c\u00f4ng ngh\u1ec7 ANC<\/strong><\/h2>\n

ANC, vi\u1ebft t\u1eaft c\u1ee7a Active Noise Cancellation, l\u00e0 c\u00f4ng ngh\u1ec7 ch\u1ed1ng \u1ed3n ch\u1ee7 \u0111\u1ed9ng, s\u1eed d\u1ee5ng c\u00e1c micro \u0111\u1ec3 thu \u00e2m thanh xung quanh v\u00e0 ph\u00e1t ra s\u00f3ng \u00e2m ngh\u1ecbch pha nh\u1eb1m tri\u1ec7t ti\u00eau ti\u1ebfng \u1ed3n tr\u01b0\u1edbc khi ch\u00fang \u0111\u1ebfn tai ng\u01b0\u1eddi nghe. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap t\u1ea1o ra kh\u00f4ng gian y\u00ean t\u0129nh m\u00e0 c\u00f2n b\u1ea3o v\u1ec7 th\u00ednh gi\u00e1c c\u1ee7a b\u1ea1n kh\u1ecfi vi\u1ec7c ph\u1ea3i t\u0103ng \u00e2m l\u01b0\u1ee3ng qu\u00e1 cao.<\/p>\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ANC<\/strong><\/h2>\n

C\u00f4ng ngh\u1ec7 ANC ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c micro si\u00eau nh\u1ea1y \u0111\u1ec3 li\u00ean t\u1ee5c l\u1eafng nghe \u00e2m thanh xung quanh. Khi ph\u00e1t hi\u1ec7n ti\u1ebfng \u1ed3n, vi x\u1eed l\u00fd s\u1ebd ph\u00e2n t\u00edch v\u00e0 ph\u00e1t ra s\u00f3ng \u00e2m \u0111\u1ed1i l\u1eadp \u0111\u1ec3 trung h\u00f2a ti\u1ebfng \u1ed3n \u0111\u00f3. Qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra r\u1ea5t nhanh ch\u00f3ng, gi\u00fap b\u1ea1n t\u1eadn h\u01b0\u1edfng \u00e2m nh\u1ea1c m\u00e0 kh\u00f4ng b\u1ecb l\u00e0m phi\u1ec1n b\u1edfi t\u1ea1p \u00e2m.<\/p>\n

So s\u00e1nh gi\u1eefa ANC, ENC v\u00e0 PNC<\/strong><\/h2>\n

\u0110\u1ec3 c\u00f3 s\u1ef1 l\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn, b\u1ea1n c\u1ea7n ph\u00e2n bi\u1ec7t r\u00f5 r\u00e0ng gi\u1eefa ba c\u00f4ng ngh\u1ec7 n\u00e0y:<\/p>\n

    \n
  • ANC (Ch\u1ed1ng \u1ed3n ch\u1ee7 \u0111\u1ed9ng):<\/strong> S\u1eed d\u1ee5ng micro v\u00e0 chip x\u1eed l\u00fd \u0111\u1ec3 t\u1ea1o ra s\u00f3ng \u00e2m ngh\u1ecbch pha, gi\u00fap tri\u1ec7t ti\u00eau ti\u1ebfng \u1ed3n t\u1eeb m\u00f4i tr\u01b0\u1eddng.<\/li>\n
  • ENC (Ch\u1ed1ng \u1ed3n \u0111\u00e0m tho\u1ea1i):<\/strong> T\u1eadp trung v\u00e0o vi\u1ec7c l\u00e0m r\u00f5 gi\u1ecdng n\u00f3i trong c\u00e1c cu\u1ed9c g\u1ecdi, gi\u00fap gi\u1ea3m ti\u1ebfng \u1ed3n xung quanh khi b\u1ea1n n\u00f3i chuy\u1ec7n.<\/li>\n
  • PNC (Ch\u1ed1ng \u1ed3n b\u1ecb \u0111\u1ed9ng):<\/strong> S\u1eed d\u1ee5ng thi\u1ebft k\u1ebf v\u1eadt l\u00fd \u0111\u1ec3 gi\u1ea3m ti\u1ebfng \u1ed3n, nh\u01b0 m\u00fat cao su ho\u1eb7c tai nghe tr\u00f9m k\u00edn.<\/li>\n<\/ul>\n

    Nh\u1eefng l\u1ee3i \u00edch c\u1ee7a c\u00f4ng ngh\u1ec7 ANC<\/strong><\/h2>\n

    C\u00f4ng ngh\u1ec7 ANC kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c kh\u00f4ng gian y\u00ean t\u0129nh m\u00e0 c\u00f2n b\u1ea3o v\u1ec7 th\u00ednh gi\u00e1c c\u1ee7a b\u1ea1n. Khi s\u1eed d\u1ee5ng tai nghe c\u00f3 ANC, b\u1ea1n c\u00f3 th\u1ec3 th\u01b0\u1edfng th\u1ee9c \u00e2m nh\u1ea1c \u1edf m\u1ee9c \u00e2m l\u01b0\u1ee3ng th\u1ea5p h\u01a1n m\u00e0 v\u1eabn c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ea7y \u0111\u1ee7 chi ti\u1ebft \u00e2m thanh. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe th\u00ednh gi\u00e1c l\u00e2u d\u00e0i.<\/p>\n

    Nh\u1eefng \u0111i\u1ec1u c\u1ea7n l\u01b0u \u00fd khi ch\u1ecdn tai nghe ANC<\/strong><\/h2>\n

    Khi l\u1ef1a ch\u1ecdn tai nghe c\u00f3 c\u00f4ng ngh\u1ec7 ANC, b\u1ea1n n\u00ean ch\u00fa \u00fd \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m v\u00e0 t\u00ednh n\u0103ng th\u1ef1c s\u1ef1 c\u1ee7a n\u00f3. Nhi\u1ec1u s\u1ea3n ph\u1ea9m gi\u00e1 r\u1ebb ch\u1ec9 s\u1eed d\u1ee5ng PNC ho\u1eb7c ENC m\u00e0 kh\u00f4ng c\u00f3 ANC th\u1ef1c s\u1ef1, d\u1eabn \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m kh\u00f4ng nh\u01b0 mong \u0111\u1ee3i. H\u00e3y t\u00ecm hi\u1ec3u k\u1ef9 l\u01b0\u1ee1ng v\u00e0 th\u1eed nghi\u1ec7m s\u1ea3n ph\u1ea9m tr\u01b0\u1edbc khi quy\u1ebft \u0111\u1ecbnh mua.<\/p>\n

    K\u1ebft lu\u1eadn<\/strong><\/h2>\n

    C\u00f4ng ngh\u1ec7 ANC \u0111ang tr\u1edf th\u00e0nh m\u1ed9t ti\u00eau chu\u1ea9n quan tr\u1ecdng trong vi\u1ec7c l\u1ef1a ch\u1ecdn tai nghe. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 v\u1ec1 ANC, ENC v\u00e0 PNC, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh th\u00f4ng minh v\u00e0 ch\u1ecdn \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a m\u00ecnh. H\u00e3y \u0111\u1ea7u t\u01b0 v\u00e0o nh\u1eefng s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ec3 b\u1ea3o v\u1ec7 th\u00ednh gi\u00e1c v\u00e0 n\u00e2ng cao tr\u1ea3i nghi\u1ec7m nghe nh\u1ea1c c\u1ee7a b\u1ea1n.<\/p>\n","protected":false},"excerpt":{"rendered":"

    B\u1ea1n th\u1eafc m\u1eafc ANC l\u00e0 g\u00ec? Kh\u00e1m ph\u00e1 c\u01a1 ch\u1ebf s\u00f3ng \u00e2m ngh\u1ecbch pha, c\u00e1ch ph\u00e2n bi\u1ec7t ANC v\u1edbi ENC\/PNC \u0111\u1ec3 ch\u1ecdn tai nghe ch\u1ed1ng \u1ed3n chu\u1ea9n, b\u1ea3o v\u1ec7 th\u00ednh gi\u00e1c hi\u1ec7u qu\u1ea3.<\/p>\n","protected":false},"author":0,"featured_media":3395,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3394","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghe"],"_links":{"self":[{"href":"https:\/\/www.gocdidong.net\/index.php\/wp-json\/wp\/v2\/posts\/3394","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gocdidong.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gocdidong.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gocdidong.net\/index.php\/wp-json\/wp\/v2\/comments?post=3394"}],"version-history":[{"count":0,"href":"https:\/\/www.gocdidong.net\/index.php\/wp-json\/wp\/v2\/posts\/3394\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gocdidong.net\/index.php\/wp-json\/wp\/v2\/media\/3395"}],"wp:attachment":[{"href":"https:\/\/www.gocdidong.net\/index.php\/wp-json\/wp\/v2\/media?parent=3394"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gocdidong.net\/index.php\/wp-json\/wp\/v2\/categories?post=3394"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gocdidong.net\/index.php\/wp-json\/wp\/v2\/tags?post=3394"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}