{"id":25,"date":"2026-04-12T10:25:00","date_gmt":"2026-04-12T03:25:00","guid":{"rendered":"http:\/\/camerasongma.com\/?p=25"},"modified":"2026-04-12T10:25:00","modified_gmt":"2026-04-12T03:25:00","slug":"nhung-dieu-can-biet-ve-dau-ghi-va-dung-luong-luu-tru-trong-he-thong-camera","status":"publish","type":"post","link":"https:\/\/camerasongma.com\/?p=25","title":{"rendered":"Nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 \u0111\u1ea7u ghi v\u00e0 dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef trong h\u1ec7 th\u1ed1ng camera"},"content":{"rendered":"<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/camerasongma.com\/wp-content\/uploads\/2026\/06\/bc_28885_29954.jpg\" alt=\"\"\/><\/figure>\n<p>Khi n\u00f3i v\u1ec1 camera gi\u00e1m s\u00e1t, \u0111a s\u1ed1 m\u1ecdi ng\u01b0\u1eddi ch\u1ec9 ch\u00fa \u00fd \u0111\u1ebfn s\u1ed1 l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 n\u00e9t c\u1ee7a c\u00e1c m\u1eaft camera m\u00e0 qu\u00ean m\u1ea5t m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng kh\u00f4ng k\u00e9m: \u0111\u1ea7u ghi h\u00ecnh v\u00e0 h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef. \u0110\u00e2y ch\u00ednh l\u00e0 b\u1ed9 n\u00e3o v\u00e0 tr\u00ed nh\u1edb c\u1ee7a to\u00e0n h\u1ec7 th\u1ed1ng. M\u1ed9t b\u1ed9 camera \u0111\u1eaft ti\u1ec1n s\u1ebd tr\u1edf n\u00ean v\u00f4 ngh\u0129a n\u1ebfu d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c l\u01b0u \u0111\u1ee7 l\u00e2u ho\u1eb7c \u0111\u1ea7u ghi qu\u00e1 y\u1ebfu \u0111\u1ec3 x\u1eed l\u00fd. B\u00e0i vi\u1ebft n\u00e0y gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 vai tr\u00f2 c\u1ee7a \u0111\u1ea7u ghi v\u00e0 c\u00e1ch t\u00ednh to\u00e1n dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef h\u1ee3p l\u00fd.<\/p>\n<h2>Ph\u00e2n bi\u1ec7t DVR v\u00e0 NVR<\/h2>\n<p>C\u00f3 hai lo\u1ea1i \u0111\u1ea7u ghi ch\u00ednh t\u01b0\u01a1ng \u1ee9ng v\u1edbi hai d\u00f2ng camera. DVR l\u00e0 \u0111\u1ea7u ghi d\u00e0nh cho camera analog, nh\u1eadn t\u00edn hi\u1ec7u qua c\u00e1p \u0111\u1ed3ng tr\u1ee5c v\u00e0 th\u1ef1c hi\u1ec7n vi\u1ec7c s\u1ed1 h\u00f3a, n\u00e9n t\u1ea1i ch\u1ed7. NVR l\u00e0 \u0111\u1ea7u ghi m\u1ea1ng, l\u00e0m vi\u1ec7c v\u1edbi camera IP v\u00e0 nh\u1eadn d\u1eef li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1ed1 h\u00f3a t\u1eeb camera qua h\u1ea1 t\u1ea7ng m\u1ea1ng. S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y quy\u1ebft \u0111\u1ecbnh c\u00e1ch b\u1ea1n \u0111i d\u00e2y v\u00e0 b\u1ed1 tr\u00ed h\u1ec7 th\u1ed1ng.<\/p>\n<p>Khi ch\u1ecdn \u0111\u1ea7u ghi, b\u1ea1n c\u1ea7n \u0111\u1ec3 \u00fd s\u1ed1 k\u00eanh h\u1ed7 tr\u1ee3. M\u1ed9t \u0111\u1ea7u ghi b\u1ed1n k\u00eanh ch\u1ec9 k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c t\u1ed1i \u0111a b\u1ed1n camera, \u0111\u1ea7u ghi t\u00e1m k\u00eanh h\u1ed7 tr\u1ee3 t\u00e1m camera, v\u00e0 c\u1ee9 th\u1ebf t\u0103ng d\u1ea7n. L\u1eddi khuy\u00ean l\u00e0 n\u00ean ch\u1ecdn \u0111\u1ea7u ghi c\u00f3 s\u1ed1 k\u00eanh d\u01b0 h\u01a1n nhu c\u1ea7u hi\u1ec7n t\u1ea1i m\u1ed9t ch\u00fat, \u0111\u1ec3 sau n\u00e0y mu\u1ed1n l\u1eafp th\u00eam camera th\u00ec kh\u00f4ng ph\u1ea3i thay m\u1edbi to\u00e0n b\u1ed9.<\/p>\n<h2>C\u00e1ch t\u00ednh dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef c\u1ea7n thi\u1ebft<\/h2>\n<p>\u0110\u00e2y l\u00e0 ph\u1ea7n khi\u1ebfn nhi\u1ec1u ng\u01b0\u1eddi b\u1ed1i r\u1ed1i nh\u1ea5t. Dung l\u01b0\u1ee3ng \u1ed5 c\u1ee9ng c\u1ea7n thi\u1ebft ph\u1ee5 thu\u1ed9c v\u00e0o ba y\u1ebfu t\u1ed1 ch\u00ednh: s\u1ed1 l\u01b0\u1ee3ng camera, \u0111\u1ed9 ph\u00e2n gi\u1ea3i h\u00ecnh \u1ea3nh v\u00e0 s\u1ed1 ng\u00e0y b\u1ea1n mu\u1ed1n l\u01b0u l\u1ea1i d\u1eef li\u1ec7u. Camera c\u00e0ng nhi\u1ec1u, \u0111\u1ed9 n\u00e9t c\u00e0ng cao v\u00e0 th\u1eddi gian l\u01b0u c\u00e0ng d\u00e0i th\u00ec c\u00e0ng c\u1ea7n \u1ed5 c\u1ee9ng dung l\u01b0\u1ee3ng l\u1edbn.<\/p>\n<ul>\n<li>S\u1ed1 ng\u00e0y l\u01b0u tr\u1eef ph\u1ed5 bi\u1ebfn cho gia \u0111\u00ecnh l\u00e0 t\u1eeb b\u1ea3y \u0111\u1ebfn m\u01b0\u1eddi l\u0103m ng\u00e0y.<\/li>\n<li>C\u1eeda h\u00e0ng v\u00e0 doanh nghi\u1ec7p th\u01b0\u1eddng y\u00eau c\u1ea7u l\u01b0u ba m\u01b0\u01a1i ng\u00e0y tr\u1edf l\u00ean.<\/li>\n<li>Camera \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao ti\u00eau t\u1ed1n dung l\u01b0\u1ee3ng g\u1ea5p nhi\u1ec1u l\u1ea7n so v\u1edbi \u0111\u1ed9 ph\u00e2n gi\u1ea3i ti\u00eau chu\u1ea9n.<\/li>\n<\/ul>\n<p>M\u1ed9t c\u00e1ch gi\u1ea3m dung l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3 l\u00e0 s\u1eed d\u1ee5ng ch\u1ebf \u0111\u1ed9 ghi h\u00ecnh theo chuy\u1ec3n \u0111\u1ed9ng thay v\u00ec ghi li\u00ean t\u1ee5c. Khi \u0111\u00f3 camera ch\u1ec9 l\u01b0u l\u1ea1i nh\u1eefng kho\u1ea3ng th\u1eddi gian c\u00f3 ho\u1ea1t \u0111\u1ed9ng, b\u1ecf qua nh\u1eefng l\u00fac khung h\u00ecnh t\u0129nh, gi\u00fap ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3 kh\u00f4ng gian \u1ed5 c\u1ee9ng m\u00e0 v\u1eabn kh\u00f4ng b\u1ecf s\u00f3t s\u1ef1 ki\u1ec7n quan tr\u1ecdng.<\/p>\n<h2>Ch\u1ecdn \u1ed5 c\u1ee9ng chuy\u00ean d\u1ee5ng cho gi\u00e1m s\u00e1t<\/h2>\n<p>Nhi\u1ec1u ng\u01b0\u1eddi t\u1eadn d\u1ee5ng \u1ed5 c\u1ee9ng m\u00e1y t\u00ednh th\u00f4ng th\u01b0\u1eddng \u0111\u1ec3 l\u1eafp v\u00e0o \u0111\u1ea7u ghi nh\u1eb1m ti\u1ebft ki\u1ec7m, nh\u01b0ng \u0111\u00e2y l\u00e0 sai l\u1ea7m. \u1ed4 c\u1ee9ng m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng v\u00e0i gi\u1edd m\u1ed7i ng\u00e0y, trong khi \u0111\u1ea7u ghi camera ch\u1ea1y li\u00ean t\u1ee5c hai m\u01b0\u01a1i t\u01b0 gi\u1edd su\u1ed1t c\u1ea3 n\u0103m. \u1ed4 c\u1ee9ng chuy\u00ean d\u1ee5ng cho gi\u00e1m s\u00e1t \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u \u0111\u1ec3 ghi d\u1eef li\u1ec7u li\u00ean t\u1ee5c, ch\u1ecbu nhi\u1ec7t t\u1ed1t h\u01a1n v\u00e0 c\u00f3 tu\u1ed5i th\u1ecd cao h\u01a1n trong \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh kh\u1eafc nghi\u1ec7t n\u00e0y.<\/p>\n<p>\u0110\u1ea7u t\u01b0 v\u00e0o \u1ed5 c\u1ee9ng ch\u1ea5t l\u01b0\u1ee3ng l\u00e0 kho\u1ea3n \u0111\u00e1ng ti\u1ec1n v\u00ec \u0111\u00e2y ch\u00ednh l\u00e0 n\u01a1i c\u1ea5t gi\u1eef to\u00e0n b\u1ed9 b\u1eb1ng ch\u1ee9ng c\u1ee7a b\u1ea1n. M\u1ed9t \u1ed5 c\u1ee9ng k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 th\u1ec3 \u0111\u1ed9t ng\u1ed9t h\u1ecfng v\u00e0 x\u00f3a s\u1ea1ch d\u1eef li\u1ec7u \u0111\u00fang v\u00e0o l\u00fac b\u1ea1n c\u1ea7n n\u00f3 nh\u1ea5t, bi\u1ebfn to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng th\u00e0nh v\u00f4 d\u1ee5ng.<\/p>\n<h2>Sao l\u01b0u v\u00e0 ph\u01b0\u01a1ng \u00e1n d\u1ef1 ph\u00f2ng<\/h2>\n<p>L\u01b0u tr\u1eef t\u1ea1i \u0111\u1ea7u ghi v\u1eabn ti\u1ec1m \u1ea9n r\u1ee7i ro. N\u1ebfu k\u1ebb gian l\u1ea5y \u0111i \u0111\u1ea7u ghi, ho\u1eb7c thi\u1ebft b\u1ecb b\u1ecb ch\u00e1y h\u1ecfng do ch\u1eadp \u0111i\u1ec7n, to\u00e0n b\u1ed9 d\u1eef li\u1ec7u s\u1ebd m\u1ea5t theo. V\u00ec v\u1eady, v\u1edbi nh\u1eefng v\u1ecb tr\u00ed tr\u1ecdng y\u1ebfu, b\u1ea1n n\u00ean c\u00e2n nh\u1eafc ph\u01b0\u01a1ng \u00e1n sao l\u01b0u song song. M\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng cho ph\u00e9p \u0111\u1ea9y b\u1ea3n ghi l\u00ean \u0111\u00e1m m\u00e2y ho\u1eb7c l\u01b0u \u0111\u1ed3ng th\u1eddi v\u00e0o m\u1ed9t thi\u1ebft b\u1ecb l\u01b0u tr\u1eef m\u1ea1ng \u0111\u1eb7t \u1edf v\u1ecb tr\u00ed k\u00edn \u0111\u00e1o kh\u00e1c.<\/p>\n<p>Ph\u01b0\u01a1ng \u00e1n n\u00e0y t\u1ea1o ra l\u1edbp b\u1ea3o v\u1ec7 k\u00e9p. Ngay c\u1ea3 khi \u0111\u1ea7u ghi t\u1ea1i ch\u1ed7 b\u1ecb v\u00f4 hi\u1ec7u h\u00f3a, b\u1ea3n sao tr\u00ean \u0111\u00e1m m\u00e2y ho\u1eb7c thi\u1ebft b\u1ecb d\u1ef1 ph\u00f2ng v\u1eabn c\u00f2n nguy\u00ean v\u1eb9n, cung c\u1ea5p b\u1eb1ng ch\u1ee9ng \u0111\u1ea7y \u0111\u1ee7. T\u1ea5t nhi\u00ean, l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y \u0111\u00f2i h\u1ecfi \u0111\u01b0\u1eddng truy\u1ec1n internet \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00f3 th\u1ec3 ph\u00e1t sinh chi ph\u00ed thu\u00ea bao h\u00e0ng th\u00e1ng, n\u00ean b\u1ea1n c\u1ea7n c\u00e2n nh\u1eafc gi\u1eefa m\u1ee9c \u0111\u1ed9 quan tr\u1ecdng c\u1ee7a d\u1eef li\u1ec7u v\u00e0 ng\u00e2n s\u00e1ch.<\/p>\n<h2>B\u1ea3o tr\u00ec v\u00e0 ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3<\/h2>\n<p>\u0110\u1ea7u ghi v\u00e0 \u1ed5 c\u1ee9ng l\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c n\u00ean c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3. H\u00e3y th\u01b0\u1eddng xuy\u00ean xem l\u1ea1i xem h\u1ec7 th\u1ed1ng c\u00f3 ghi h\u00ecnh b\u00ecnh th\u01b0\u1eddng kh\u00f4ng, \u1ed5 c\u1ee9ng c\u00f2n dung l\u01b0\u1ee3ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh kh\u00f4ng. Nhi\u1ec1u \u0111\u1ea7u ghi c\u00f3 ch\u1ee9c n\u0103ng c\u1ea3nh b\u00e1o khi \u1ed5 c\u1ee9ng s\u1eafp \u0111\u1ea7y ho\u1eb7c g\u1eb7p l\u1ed7i, b\u1ea1n n\u00ean k\u00edch ho\u1ea1t v\u00e0 \u0111\u1ec3 \u00fd c\u00e1c c\u1ea3nh b\u00e1o n\u00e0y. Vi\u1ec7c ki\u1ec3m tra \u0111\u1ec1u \u0111\u1eb7n gi\u00fap ph\u00e1t hi\u1ec7n s\u1edbm s\u1ef1 c\u1ed1, tr\u00e1nh t\u00ecnh hu\u1ed1ng d\u1edf kh\u00f3c d\u1edf c\u01b0\u1eddi khi c\u1ea7n tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u m\u1edbi ph\u00e1t hi\u1ec7n h\u1ec7 th\u1ed1ng \u0111\u00e3 ng\u1eebng ghi t\u1eeb nhi\u1ec1u ng\u00e0y tr\u01b0\u1edbc.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Khi n\u00f3i v\u1ec1 camera gi\u00e1m s\u00e1t, \u0111a s\u1ed1 m\u1ecdi ng\u01b0\u1eddi ch\u1ec9 ch\u00fa \u00fd \u0111\u1ebfn s\u1ed1 l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 n\u00e9t c\u1ee7a c\u00e1c m\u1eaft camera m\u00e0 qu\u00ean m\u1ea5t m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng kh\u00f4ng k\u00e9m: \u0111\u1ea7u ghi h\u00ecnh v\u00e0 h\u1ec7 th\u1ed1ng l\u01b0u&hellip; <\/p>\n","protected":false},"author":0,"featured_media":24,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-25","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chua-phan-loai"],"_links":{"self":[{"href":"https:\/\/camerasongma.com\/index.php?rest_route=\/wp\/v2\/posts\/25","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/camerasongma.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/camerasongma.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/camerasongma.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=25"}],"version-history":[{"count":0,"href":"https:\/\/camerasongma.com\/index.php?rest_route=\/wp\/v2\/posts\/25\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/camerasongma.com\/index.php?rest_route=\/wp\/v2\/media\/24"}],"wp:attachment":[{"href":"https:\/\/camerasongma.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/camerasongma.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/camerasongma.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}