Ma\u0301y thu hi\u0300nh la\u0300 m\u00f4\u0323t thi\u00ea\u0301t bi truy\u00ea\u0300n hi\u0300nh a\u0309nh b\u0103\u0300ng so\u0301ng v\u00f4 tuy\u00ea\u0301n \u0111i\u00ea\u0323n, la\u0300 m\u00f4\u0323t trong nh\u01b0\u0303ng thi\u00ea\u0301t b\u0303 quan tro\u0323ng cu\u0309a v\u00f4 tuy\u00ea\u0301n.<\/p>\n\n\n\n
Nguy\u00ean ly\u0301 truy\u00ea\u0300n hi\u0300nh gi\u00f4\u0301ng nh\u01b0 nguy\u00ean ly\u0301 truy\u00ea\u0300n thanh. Trong nguy\u00ean ly\u0301 truy\u00ea\u0300n thanh, ti\u0301n hi\u00ea\u0323u \u00e2m thanh \u0111\u01b0\u01a1\u0323c pha\u0301t ra t\u01b0\u0300 ma\u0301y pha\u0301t la\u0300 da\u0323ng ti\u0301n hi\u00ea\u0323u \u0111i\u00ea\u0323n, sau khi \u0111\u01b0\u01a1\u0323c \u0103ngten thu nh\u00e2\u0323n, qua b\u00f4\u0323 vi x\u00f6 ly\u0301, ti\u0301n hi\u00ea\u0323u \u0111i\u00ea\u0323n chuy\u00ea\u0309n la\u0323i tha\u0300nh ti\u0301n hi\u00ea\u0323u \u00e2m thanh. Ti\u0301n hi\u00ea\u0323u hi\u0300nh a\u0309nh va\u0300 ti\u0301n hi\u00ea\u0323u \u00e2m thanh \u0111\u01b0\u01a1\u0323c ma\u0301y pha\u0301t \u0111i\u00ea\u0300u chi\u0309nh va\u0300 pha\u0301t \u0111i kh\u0103\u0301p n\u01a1i trong kh\u00f4ng trung d\u01b0\u01a1\u0301i da\u0323ng ti\u0301n hi\u00ea\u0323u \u0111i\u00ea\u0323n. Sau khi \u0103ngten cu\u0309a tivi thu nh\u00e2\u0323n, b\u00f4\u0323 vi x\u01b0\u0309 ly\u0301 se\u0303 chuy\u00ea\u0301n ti\u0301n hi\u00ea\u0323u \u0111i\u00ea\u0323n \u0111o\u0301 tha\u0300nh hi\u0300nh a\u0309nh va\u0300 \u00e2m thanh.<\/p>\n\n\n\n
Hi\u0300nh a\u0309nh truy\u00ea\u0300n hi\u0300nh co\u0301 \u0111\u01b0\u01a1\u0323c la\u0300 nh\u01a1\u0300 b\u00f4\u0323 ph\u00e2\u0323n chu\u0323p hi\u0300nh cu\u0309a tivi. B\u00f4\u0323 ph\u00e2\u0323n na\u0300y co\u0301 m\u00f4\u0323t linh ki\u00ea\u0323n \u0111\u0103\u0323c bi\u00ea\u0323t \u0111o\u0301 la\u0300 \u00f4\u0301ng chu\u0323p hi\u0300nh, b\u00ean trong l\u0103\u0301p \u0111\u0103\u0323t ca\u0301c bo\u0301ng \u0111i\u00ea\u0323n t\u01b0\u0309 va\u0300 ca\u0301c thi\u00ea\u0301t bi\u0323 quang \u0111i\u00ea\u0323n. Ca\u0301c thi\u00ea\u0301t bi\u0323 na\u0300y co\u0301 ta\u0301c du\u0323ng ta\u0301i ta\u0323o hi\u0300nh a\u0309nh va\u0300 \u00e2m thanh thu \u0111\u01b0\u01a1\u0323c t\u01b0\u0300 \u0103ngten. Nh\u01a1\u0300 \u0111o\u0301, tivi m\u01a1\u0301i co\u0301 th\u00ea\u0309 pha\u0301t ra hi\u0300nh a\u0309nh va\u0300 \u00e2m thanh. Xe\u0301t tr\u00ean go\u0301c \u0111\u00f4\u0323 v\u00e2\u0323t li\u0301 thi\u0300 \u0111o\u0301 la\u0300 qua\u0301 tri\u0300nh chuy\u00ea\u0309n \u0111\u00f4\u0309i \u0111i\u00ea\u0323n quang, b\u00f4\u0323 ph\u00e2\u0323n co\u0301 th\u00ea\u0309 ta\u0301i hi\u00ea\u0323n la\u0323i hi\u0300nh a\u0309nh trong tivi chi\u0301nh la\u0300 bo\u0301ng hi\u0300nh. \u0110o\u0301 la\u0300 m\u00f4\u0323t qua\u0309 bo\u0301ng thuy\u0309 tinh trong ch\u00e2n kh\u00f4ng, b\u00ean trong co\u0301 m\u00f4\u0323t bo\u0301ng \u0111i\u00ea\u0323n t\u01b0\u0309, chu\u0300m \u0111i\u00ea\u0323n t\u01b0\u0309 \u0111\u01b0\u01a1\u0323c sinh ra chi\u0323u s\u01b0\u0323 \u0111i\u00ea\u0300u chi\u0309nh cu\u0309a ti\u0301n hi\u00ea\u0323u hi\u0300nh a\u0309nh, sau khi chu\u0300m \u0111i\u00ea\u0323n t\u01b0\u0309 b\u0103\u0301n va\u0300o ma\u0300n huy\u0300nh quang cu\u0309a tivi, v\u00e2\u0323t li\u00ea\u0323u huy\u0300nh quang tr\u00ean ma\u0300n hi\u0300nh se\u0303 hi\u00ea\u0309n thi\u0323 nh\u01b0\u0303ng hi\u0300nh a\u0309nh co\u0301 \u0111\u01b0\u01a1\u0323c nh\u01a1\u0300 ma\u0301y chu\u0323p hi\u0300nh trong tivi. \u0110\u00f4\u0300ng th\u01a1\u0300i v\u01a1\u0301i qua\u0301 tri\u0300nh \u0111o\u0301, b\u00f4\u0323 ph\u00e2\u0323n ki\u0301ch hoa\u0323t \u00e2m thanh se\u0303 ta\u0301i ta\u0323o la\u0323i \u00e2m thanh thu \u0111\u01b0\u01a1\u0323c va\u0300 pha\u0301t ra theo hi\u0300nh a\u0309nh.<\/p>\n","protected":false},"excerpt":{"rendered":"
Ma\u0301y thu hi\u0300nh la\u0300 m\u00f4\u0323t thi\u00ea\u0301t bi truy\u00ea\u0300n hi\u0300nh a\u0309nh b\u0103\u0300ng so\u0301ng v\u00f4 tuy\u00ea\u0301n \u0111i\u00ea\u0323n, la\u0300 m\u00f4\u0323t trong nh\u01b0\u0303ng thi\u00ea\u0301t b\u0303 quan tro\u0323ng cu\u0309a v\u00f4 tuy\u00ea\u0301n. Nguy\u00ean ly\u0301 truy\u00ea\u0300n hi\u0300nh gi\u00f4\u0301ng nh\u01b0 nguy\u00ean ly\u0301 truy\u00ea\u0300n thanh. Trong nguy\u00ean ly\u0301 truy\u00ea\u0300n thanh, ti\u0301n hi\u00ea\u0323u \u00e2m thanh \u0111\u01b0\u01a1\u0323c pha\u0301t ra t\u01b0\u0300 ma\u0301y pha\u0301t la\u0300 da\u0323ng ti\u0301n hi\u00ea\u0323u […]<\/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":[1,15],"tags":[],"class_list":["post-11253","post","type-post","status-publish","format-standard","hentry","category-general","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11253","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=11253"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11253\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=11253"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=11253"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=11253"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}