{"id":477090,"date":"2023-08-09T09:06:59","date_gmt":"2023-08-09T09:06:59","guid":{"rendered":""},"modified":"2023-09-05T11:13:58","modified_gmt":"2023-09-05T11:13:58","slug":"encoding","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/encoding\/","title":{"rendered":"M\u00e3 h\u00f3a"},"content":{"rendered":"<p>M\u00e3 h\u00f3a l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh c\u01a1 b\u1ea3n trong th\u1ebf gi\u1edbi c\u00f4ng ngh\u1ec7 th\u00f4ng tin v\u00e0 truy\u1ec1n th\u00f4ng k\u1ef9 thu\u1eadt s\u1ed1. N\u00f3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i th\u00f4ng tin ho\u1eb7c d\u1eef li\u1ec7u t\u1eeb \u0111\u1ecbnh d\u1ea1ng n\u00e0y sang \u0111\u1ecbnh d\u1ea1ng kh\u00e1c \u0111\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n l\u01b0u tr\u1eef v\u00e0 truy\u1ec1n t\u1ea3i hi\u1ec7u qu\u1ea3. M\u1eb7c d\u00f9 qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 v\u1ebb t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n nh\u01b0ng n\u00f3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u l\u0129nh v\u1ef1c, ch\u1eb3ng h\u1ea1n nh\u01b0 duy\u1ec7t web, truy\u1ec1n ph\u00e1t \u0111a ph\u01b0\u01a1ng ti\u1ec7n, l\u01b0u tr\u1eef d\u1eef li\u1ec7u, v.v.<\/p>\n<h2>L\u1ecbch s\u1eed m\u00e3 h\u00f3a<\/h2>\n<p>Kh\u00e1i ni\u1ec7m m\u00e3 h\u00f3a \u0111\u00e3 xu\u1ea5t hi\u1ec7n k\u1ec3 t\u1eeb khi h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng ra \u0111\u1eddi. \u00dd t\u01b0\u1edfng tr\u00ecnh b\u00e0y th\u00f4ng tin \u1edf c\u00e1c \u0111\u1ecbnh d\u1ea1ng kh\u00e1c nhau c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb th\u1eddi M\u00e3 Morse v\u00e0 \u0111i\u1ec7n b\u00e1o v\u00e0o nh\u1eefng n\u0103m 1830. Tuy nhi\u00ean, vi\u1ec7c m\u00e3 h\u00f3a nh\u01b0 ch\u00fang ta bi\u1ebft ng\u00e0y nay th\u1ef1c s\u1ef1 b\u1eaft \u0111\u1ea7u v\u1edbi s\u1ef1 ra \u0111\u1eddi c\u1ee7a \u0111i\u1ec7n to\u00e1n k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0o gi\u1eefa th\u1ebf k\u1ef7 20.<\/p>\n<p>H\u1ec7 th\u1ed1ng m\u00e3 h\u00f3a k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ea7u ti\u00ean, M\u00e3 ti\u00eau chu\u1ea9n Hoa K\u1ef3 \u0111\u1ec3 trao \u0111\u1ed5i th\u00f4ng tin (ASCII), \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n v\u00e0o n\u0103m 1963. ASCII \u0111\u00e3 tr\u1edf th\u00e0nh m\u00e3 h\u00f3a ti\u00eau chu\u1ea9n cho c\u00e1c t\u1ec7p v\u0103n b\u1ea3n b\u1eb1ng ti\u1ebfng Anh tr\u00ean m\u00e1y t\u00ednh v\u00e0 qua internet. K\u1ec3 t\u1eeb \u0111\u00f3, c\u00e1c ti\u00eau chu\u1ea9n m\u00e3 h\u00f3a ph\u1ee9c t\u1ea1p v\u00e0 to\u00e0n di\u1ec7n h\u01a1n nh\u01b0 Unicode \u0111\u00e3 xu\u1ea5t hi\u1ec7n, h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i k\u00fd t\u1ef1 v\u00e0 k\u00fd hi\u1ec7u h\u01a1n.<\/p>\n<h2>Hi\u1ec3u m\u00e3 h\u00f3a<\/h2>\n<p>M\u00e3 h\u00f3a chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u th\u00e0nh \u0111\u1ecbnh d\u1ea1ng m\u00e0 ng\u01b0\u1eddi nh\u1eadn c\u00f3 th\u1ec3 l\u01b0u tr\u1eef, truy\u1ec1n v\u00e0 gi\u1ea3i m\u00e3 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 th\u00e0nh d\u1ea1ng ban \u0111\u1ea7u. Trong th\u1ebf gi\u1edbi k\u1ef9 thu\u1eadt s\u1ed1, qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u m\u00e0 con ng\u01b0\u1eddi c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c sang \u0111\u1ecbnh d\u1ea1ng nh\u1ecb ph\u00e2n (chu\u1ed7i 0 v\u00e0 1) m\u00e0 m\u00e1y t\u00ednh c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c.<\/p>\n<p>Qu\u00e1 tr\u00ecnh m\u00e3 h\u00f3a ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a v\u00e0 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng d\u1ef1 \u0111\u1ecbnh. V\u00ed d\u1ee5: m\u00e3 h\u00f3a v\u0103n b\u1ea3n (nh\u01b0 ASCII ho\u1eb7c Unicode) \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u v\u0103n b\u1ea3n sang \u0111\u1ecbnh d\u1ea1ng nh\u1ecb ph\u00e2n. T\u01b0\u01a1ng t\u1ef1, c\u00f3 c\u00e1c l\u01b0\u1ee3c \u0111\u1ed3 m\u00e3 h\u00f3a cho h\u00ecnh \u1ea3nh (nh\u01b0 JPEG ho\u1eb7c PNG), \u00e2m thanh (MP3, AAC), video (MPEG-4, H.264), v.v.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u00e3 h\u00f3a<\/h2>\n<p>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u00e3 h\u00f3a bao g\u1ed3m m\u1ed9t h\u1ec7 th\u1ed1ng \u00e1nh x\u1ea1 trong \u0111\u00f3 m\u1ed7i ph\u1ea7n d\u1eef li\u1ec7u t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t m\u00e3 nh\u1ecb ph\u00e2n c\u1ee5 th\u1ec3. \u00c1nh x\u1ea1 n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp b\u1eb1ng thu\u1eadt to\u00e1n ho\u1eb7c s\u01a1 \u0111\u1ed3 m\u00e3 h\u00f3a.<\/p>\n<p>V\u00ed d\u1ee5, trong tr\u01b0\u1eddng h\u1ee3p m\u00e3 h\u00f3a v\u0103n b\u1ea3n, m\u1ed7i k\u00fd t\u1ef1, ch\u1eef s\u1ed1 ho\u1eb7c k\u00fd hi\u1ec7u \u0111\u1ec1u c\u00f3 m\u1ed9t bi\u1ec3u di\u1ec5n nh\u1ecb ph\u00e2n duy nh\u1ea5t. Trong ASCII, ch\u1eef in hoa &#039;A&#039; \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng m\u00e3 nh\u1ecb ph\u00e2n &#039;1000001&#039;, trong khi \u1edf Unicode, &#039;A&#039; \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng &#039;01000001&#039;.<\/p>\n<p>Khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a, h\u1ec7 th\u1ed1ng m\u00e3 h\u00f3a s\u1ebd qu\u00e9t d\u1eef li\u1ec7u, nh\u1eadn d\u1ea1ng t\u1eebng ph\u1ea7n v\u00e0 thay th\u1ebf b\u1eb1ng m\u00e3 nh\u1ecb ph\u00e2n t\u01b0\u01a1ng \u1ee9ng. K\u1ebft qu\u1ea3 l\u00e0 m\u1ed9t chu\u1ed7i nh\u1ecb ph\u00e2n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i ho\u1eb7c l\u01b0u tr\u1eef m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a m\u00e3 h\u00f3a<\/h2>\n<ol>\n<li>\n<p><strong>Hi\u1ec7u qu\u1ea3:<\/strong> M\u00e3 h\u00f3a chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u th\u00e0nh \u0111\u1ecbnh d\u1ea1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy\u1ec1n qua m\u1ea1ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch:<\/strong> N\u00f3 cho ph\u00e9p d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c hi\u1ec3u b\u1edfi nhi\u1ec1u thi\u1ebft b\u1ecb, n\u1ec1n t\u1ea3ng v\u00e0 \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n<\/li>\n<li>\n<p><strong>B\u1ea3o v\u1ec7:<\/strong> M\u00e3 h\u00f3a c\u0169ng c\u00f3 th\u1ec3 g\u00f3p ph\u1ea7n b\u1ea3o m\u1eadt d\u1eef li\u1ec7u v\u00ec m\u1ed9t s\u1ed1 s\u01a1 \u0111\u1ed3 m\u00e3 h\u00f3a c\u00f3 th\u1ec3 l\u00e0m x\u00e1o tr\u1ed9n d\u1eef li\u1ec7u, khi\u1ebfn d\u1eef li\u1ec7u kh\u00f3 hi\u1ec3u h\u01a1n n\u1ebfu b\u1ecb ch\u1eb7n b\u1edfi c\u00e1c b\u00ean tr\u00e1i ph\u00e9p.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u00e1t hi\u1ec7n l\u1ed7i:<\/strong> M\u1ed9t s\u1ed1 s\u01a1 \u0111\u1ed3 m\u00e3 h\u00f3a c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n v\u00e0 s\u1eeda l\u1ed7i t\u00edch h\u1ee3p.<\/p>\n<\/li>\n<li>\n<p><strong>S\u1ef1 tu\u00e2n th\u1ee7:<\/strong> M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p m\u00e3 h\u00f3a nh\u1ea5t \u0111\u1ecbnh, nh\u01b0 Base64, cho ph\u00e9p m\u00e3 h\u00f3a d\u1eef li\u1ec7u nh\u1ecb ph\u00e2n th\u00e0nh ASCII, gi\u00fap vi\u1ec7c truy\u1ec1n qua c\u00e1c giao th\u1ee9c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho v\u0103n b\u1ea3n tr\u1edf n\u00ean an to\u00e0n.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i m\u00e3 h\u00f3a<\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i m\u00e3 h\u00f3a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t:<\/p>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i m\u00e3 h\u00f3a<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<th>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>ASCII<\/td>\n<td>M\u1ed9t ti\u00eau chu\u1ea9n m\u00e3 h\u00f3a k\u00fd t\u1ef1 c\u01a1 b\u1ea3n ch\u1ee7 y\u1ebfu d\u00e0nh cho ti\u1ebfng Anh.<\/td>\n<td>T\u1ec7p v\u0103n b\u1ea3n<\/td>\n<\/tr>\n<tr>\n<td>b\u1ea3ng m\u00e3 Unicode<\/td>\n<td>M\u1ed9t ti\u00eau chu\u1ea9n m\u00e3 h\u00f3a k\u00fd t\u1ef1 ph\u1ed5 qu\u00e1t bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c ng\u00f4n ng\u1eef vi\u1ebft.<\/td>\n<td>v\u0103n b\u1ea3n qu\u1ed1c t\u1ebf<\/td>\n<\/tr>\n<tr>\n<td>UTF-8<\/td>\n<td>M\u1ed9t s\u01a1 \u0111\u1ed3 m\u00e3 h\u00f3a Unicode ph\u1ed5 bi\u1ebfn.<\/td>\n<td>N\u1ed9i dung web<\/td>\n<\/tr>\n<tr>\n<td>c\u01a1 s\u1edf64<\/td>\n<td>M\u00e3 h\u00f3a d\u1eef li\u1ec7u nh\u1ecb ph\u00e2n th\u00e0nh \u0111\u1ecbnh d\u1ea1ng v\u0103n b\u1ea3n.<\/td>\n<td>T\u1ec7p \u0111\u00ednh k\u00e8m email<\/td>\n<\/tr>\n<tr>\n<td>MPEG-4<\/td>\n<td>M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh n\u00e9n d\u1eef li\u1ec7u s\u1ed1 \u00e2m thanh v\u00e0 h\u00ecnh \u1ea3nh.<\/td>\n<td>T\u1eadp video<\/td>\n<\/tr>\n<tr>\n<td>MP3<\/td>\n<td>M\u1ed9t ti\u00eau chu\u1ea9n \u0111\u1ec3 n\u00e9n \u00e2m thanh.<\/td>\n<td>T\u1eadp tin \u00e2m thanh<\/td>\n<\/tr>\n<tr>\n<td>JPEG<\/td>\n<td>M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p n\u00e9n t\u1ed5n th\u1ea5t th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho h\u00ecnh \u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1.<\/td>\n<td>H\u00ecnh \u1ea3nh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng, v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<p>C\u00f4ng d\u1ee5ng ch\u00ednh c\u1ee7a m\u00e3 h\u00f3a l\u00e0 cho ph\u00e9p giao ti\u1ebfp d\u1eef li\u1ec7u qua m\u1ea1ng, l\u01b0u tr\u1eef tr\u00ean nhi\u1ec1u ph\u01b0\u01a1ng ti\u1ec7n kh\u00e1c nhau v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c nhau. Tuy nhi\u00ean, m\u00e3 h\u00f3a c\u0169ng c\u00f3 nh\u1eefng th\u00e1ch th\u1ee9c ri\u00eang:<\/p>\n<ul>\n<li><strong>M\u1ea5t d\u1eef li\u1ec7u:<\/strong> Trong m\u1ed9t s\u1ed1 lo\u1ea1i m\u00e3 h\u00f3a nh\u1ea5t \u0111\u1ecbnh nh\u01b0 n\u00e9n b\u1ecb m\u1ea5t d\u1eef li\u1ec7u (\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong JPEG, MP3), m\u1ed9t s\u1ed1 d\u1eef li\u1ec7u c\u00f3 th\u1ec3 b\u1ecb m\u1ea5t trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a d\u1eef li\u1ec7u.<\/li>\n<li><strong>Kh\u00f4ng t\u01b0\u01a1ng th\u00edch:<\/strong> M\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb ho\u1eb7c n\u1ec1n t\u1ea3ng nh\u1ea5t \u0111\u1ecbnh c\u00f3 th\u1ec3 kh\u00f4ng h\u1ed7 tr\u1ee3 t\u1ea5t c\u1ea3 c\u00e1c s\u01a1 \u0111\u1ed3 m\u00e3 h\u00f3a, d\u1eabn \u0111\u1ebfn s\u1ef1 c\u1ed1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch.<\/li>\n<li><strong>L\u1ed7i gi\u1ea3i m\u00e3:<\/strong> L\u1ed7i c\u00f3 th\u1ec3 x\u1ea3y ra trong qu\u00e1 tr\u00ecnh gi\u1ea3i m\u00e3, d\u1eabn \u0111\u1ebfn vi\u1ec7c gi\u1ea3i th\u00edch d\u1eef li\u1ec7u kh\u00f4ng ch\u00ednh x\u00e1c.<\/li>\n<\/ul>\n<p>C\u00e1c v\u1ea5n \u0111\u1ec1 tr\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u b\u1eb1ng c\u00e1ch ch\u1ecdn m\u00e3 h\u00f3a ch\u00ednh x\u00e1c cho t\u00e1c v\u1ee5, \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 s\u1eed d\u1ee5ng c\u00e1c c\u01a1 ch\u1ebf ph\u00e1t hi\u1ec7n v\u00e0 s\u1eeda l\u1ed7i n\u1ebfu c\u00f3 th\u1ec3.<\/p>\n<h2>So s\u00e1nh v\u1edbi c\u00e1c \u0111i\u1ec1u kho\u1ea3n t\u01b0\u01a1ng t\u1ef1<\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 so s\u00e1nh v\u1ec1 m\u00e3 h\u00f3a v\u1edbi m\u1ed9t s\u1ed1 kh\u00e1i ni\u1ec7m li\u00ean quan:<\/p>\n<table>\n<thead>\n<tr>\n<th>Thu\u1eadt ng\u1eef<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M\u00e3 h\u00f3a<\/td>\n<td>Qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u sang \u0111\u1ecbnh d\u1ea1ng ph\u00f9 h\u1ee3p \u0111\u1ec3 l\u01b0u tr\u1eef ho\u1eb7c truy\u1ec1n t\u1ea3i.<\/td>\n<\/tr>\n<tr>\n<td>Gi\u1ea3i m\u00e3<\/td>\n<td>Qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a tr\u1edf l\u1ea1i \u0111\u1ecbnh d\u1ea1ng ban \u0111\u1ea7u.<\/td>\n<\/tr>\n<tr>\n<td>M\u00e3 h\u00f3a<\/td>\n<td>Qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u sang \u0111\u1ecbnh d\u1ea1ng m\u00e0 ch\u1ec9 c\u00e1c t\u1ed5 ch\u1ee9c \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n m\u1edbi c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c.<\/td>\n<\/tr>\n<tr>\n<td>N\u00e9n<\/td>\n<td>Qu\u00e1 tr\u00ecnh gi\u1ea3m k\u00edch th\u01b0\u1edbc d\u1eef li\u1ec7u \u0111\u1ec3 l\u01b0u tr\u1eef ho\u1eb7c truy\u1ec1n t\u1ea3i hi\u1ec7u qu\u1ea3.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>M\u1eb7c d\u00f9 c\u00e1c \u0111i\u1ec1u kho\u1ea3n n\u00e0y c\u00f3 li\u00ean quan nh\u01b0ng ch\u00fang c\u00f3 m\u1ee5c \u0111\u00edch ri\u00eang bi\u1ec7t. M\u00e3 h\u00f3a v\u00e0 gi\u1ea3i m\u00e3 li\u00ean quan \u0111\u1ebfn t\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 hi\u1ec7u qu\u1ea3, m\u00e3 h\u00f3a li\u00ean quan \u0111\u1ebfn b\u1ea3o m\u1eadt v\u00e0 n\u00e9n li\u00ean quan \u0111\u1ebfn hi\u1ec7u qu\u1ea3.<\/p>\n<h2>T\u01b0\u01a1ng lai c\u1ee7a m\u00e3 h\u00f3a<\/h2>\n<p>Khi th\u1ebf gi\u1edbi k\u1ef9 thu\u1eadt s\u1ed1 ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, c\u00e1c c\u00f4ng ngh\u1ec7 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p li\u00ean quan \u0111\u1ebfn m\u00e3 h\u00f3a c\u0169ng s\u1ebd ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n. V\u1edbi s\u1ef1 ra \u0111\u1eddi c\u1ee7a \u0111i\u1ec7n to\u00e1n l\u01b0\u1ee3ng t\u1eed, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p m\u00e3 h\u00f3a l\u01b0\u1ee3ng t\u1eed v\u00e0 s\u1eeda l\u1ed7i m\u1edbi \u0111ang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n. T\u01b0\u01a1ng t\u1ef1, khi c\u00f4ng ngh\u1ec7 th\u1ef1c t\u1ebf \u1ea3o v\u00e0 th\u1ef1c t\u1ebf t\u0103ng c\u01b0\u1eddng ph\u00e1t tri\u1ec3n, s\u1ebd c\u1ea7n c\u00f3 c\u00e1c s\u01a1 \u0111\u1ed3 m\u00e3 h\u00f3a m\u1edbi cho ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng 3D v\u00e0 nh\u1eadp vai.<\/p>\n<p>H\u01a1n n\u1eefa, s\u1ef1 gia t\u0103ng c\u1ee7a d\u1eef li\u1ec7u l\u1edbn v\u00e0 h\u1ecdc m\u00e1y \u0111\u00f2i h\u1ecfi c\u00e1c c\u01a1 ch\u1ebf m\u00e3 h\u00f3a hi\u1ec7u qu\u1ea3 \u0111\u1ec3 x\u1eed l\u00fd kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3. Vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c s\u01a1 \u0111\u1ed3 m\u00e3 h\u00f3a chuy\u00ean bi\u1ec7t cho c\u00e1c l\u0129nh v\u1ef1c n\u00e0y l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u \u0111\u1ea7y h\u1ee9a h\u1eb9n.<\/p>\n<h2>M\u00e1y ch\u1ee7 m\u00e3 h\u00f3a v\u00e0 proxy<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 trung gian cho c\u00e1c y\u00eau c\u1ea7u t\u1eeb kh\u00e1ch h\u00e0ng \u0111ang t\u00ecm ki\u1ebfm t\u00e0i nguy\u00ean t\u1eeb c\u00e1c m\u00e1y ch\u1ee7 kh\u00e1c. Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 cung c\u1ea5p t\u00ednh \u1ea9n danh, v\u01b0\u1ee3t qua c\u00e1c h\u1ea1n ch\u1ebf v\u1ec1 \u0111\u1ecba l\u00fd v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t.<\/p>\n<p>M\u00e3 h\u00f3a \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong ch\u1ee9c n\u0103ng c\u1ee7a m\u00e1y ch\u1ee7 proxy. Khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eedi t\u1eeb m\u00e1y kh\u00e1ch \u0111\u1ebfn m\u00e1y ch\u1ee7 proxy, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a th\u00e0nh \u0111\u1ecbnh d\u1ea1ng c\u00f3 th\u1ec3 truy\u1ec1n qua m\u1ea1ng. Sau \u0111\u00f3, m\u00e1y ch\u1ee7 proxy s\u1ebd gi\u1ea3i m\u00e3 d\u1eef li\u1ec7u nh\u1eadn \u0111\u01b0\u1ee3c, x\u1eed l\u00fd y\u00eau c\u1ea7u v\u00e0 g\u1eedi n\u00f3 \u0111\u1ebfn m\u00e1y ch\u1ee7 \u0111\u00edch.<\/p>\n<p>H\u01a1n n\u1eefa, m\u00e1y ch\u1ee7 proxy c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e3 h\u00f3a cho m\u1ee5c \u0111\u00edch b\u1ea3o m\u1eadt. V\u00ed d\u1ee5: proxy HTTPS s\u1eed d\u1ee5ng m\u00e3 h\u00f3a SSL\/TLS \u0111\u1ec3 m\u00e3 h\u00f3a d\u1eef li\u1ec7u, b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u kh\u1ecfi b\u1ecb ch\u1eb7n trong qu\u00e1 tr\u00ecnh truy\u1ec1n.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.unicode.org\/\" target=\"_new\" rel=\"noopener nofollow\">Trang web ch\u00ednh th\u1ee9c c\u1ee7a Unicode<\/a><\/li>\n<li><a href=\"https:\/\/www.w3.org\/International\/questions\/qa-what-is-encoding\" target=\"_new\" rel=\"noopener nofollow\">W3C \u2013 M\u00e3 h\u00f3a k\u00fd t\u1ef1<\/a><\/li>\n<li><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/API\/TextEncoder\" target=\"_new\" rel=\"noopener nofollow\">MDN \u2013 M\u00e3 h\u00f3a v\u0103n b\u1ea3n<\/a><\/li>\n<li><a href=\"https:\/\/www.geeksforgeeks.org\/python-encoding-decoding-strings\/\" target=\"_new\" rel=\"noopener nofollow\">H\u01b0\u1edbng d\u1eabn m\u00e3 h\u00f3a v\u00e0 gi\u1ea3i m\u00e3 trong Python<\/a><\/li>\n<li><a href=\"https:\/\/www.tensorflow.org\/tutorials\/audio\/simple_audio\" target=\"_new\" rel=\"noopener nofollow\">Hi\u1ec3u d\u1eef li\u1ec7u \u00e2m thanh, TensorFlow<\/a><\/li>\n<li><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/ios-xml\/ios\/voice\/vcr3\/vcr3-dvead.html\" target=\"_new\" rel=\"noopener nofollow\">M\u00e3 h\u00f3a v\u00e0 gi\u1ea3i m\u00e3 video k\u1ef9 thu\u1eadt s\u1ed1<\/a><\/li>\n<li><a href=\"https:\/\/danielmiessler.com\/study\/encoding-encryption-hashing-obfuscation\/\" target=\"_new\" rel=\"noopener nofollow\">M\u00e3 h\u00f3a vs M\u00e3 h\u00f3a vs Hashing vs Obfuscation<\/a><\/li>\n<\/ul>","protected":false},"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477090","wiki","type-wiki","status-publish","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>An Extensive Guide to Encoding<\/mark>","faq_items":[{"question":"What is encoding?","answer":"<p>Encoding is the process of converting data from one format to another to facilitate efficient storage and transmission. It is widely used in various areas such as web browsing, media streaming, and data storage.<\/p>"},{"question":"When did encoding start?","answer":"<p>The concept of encoding has been present since the advent of communication systems. However, the first digital encoding system, ASCII, was published in 1963.<\/p>"},{"question":"What is the purpose of encoding?","answer":"<p>The primary purpose of encoding is to convert data into a format that can be efficiently stored, transmitted, and understood by various devices, platforms, and applications. It also plays a significant role in data security and error detection.<\/p>"},{"question":"How does encoding work?","answer":"<p>The process of encoding involves a mapping system where each piece of data corresponds to a specific binary code. This mapping is determined by the encoding algorithm. When data is to be encoded, the encoding system scans the data, identifies each piece, and replaces it with the corresponding binary code.<\/p>"},{"question":"What are some of the types of encoding?","answer":"<p>Some commonly used types of encoding include ASCII, Unicode, UTF-8, Base64, MPEG-4, MP3, and JPEG.<\/p>"},{"question":"What are some of the problems related to encoding and how can they be solved?","answer":"<p>Some common problems related to encoding include data loss, incompatibility, and decoding errors. These problems can be mitigated by choosing the correct encoding for the task, ensuring compatibility, and using error-detection and correction mechanisms.<\/p>"},{"question":"How does encoding relate to proxy servers?","answer":"<p>When data is sent from a client to a proxy server, it must be encoded into a format that can be transmitted over the network. The proxy server then decodes the received data, processes the request, and sends it to the destination server. Additionally, proxy servers can use encoding for security purposes.<\/p>"},{"question":"What is the future of encoding?","answer":"<p>The future of encoding will likely involve the development of new encoding and error correction methods for emerging technologies like quantum computing, virtual and augmented reality, and machine learning.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477090","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477090\/revisions"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=477090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}