{"id":478065,"date":"2023-08-09T09:26:45","date_gmt":"2023-08-09T09:26:45","guid":{"rendered":""},"modified":"2023-09-05T11:16:00","modified_gmt":"2023-09-05T11:16:00","slug":"mp4","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/mp4\/","title":{"rendered":"MP4"},"content":{"rendered":"<p>MP4, vi\u1ebft t\u1eaft c\u1ee7a MPEG-4 Ph\u1ea7n 14, l\u00e0 \u0111\u1ecbnh d\u1ea1ng ch\u1ee9a \u0111a ph\u01b0\u01a1ng ti\u1ec7n k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef video, \u00e2m thanh v\u00e0 n\u1ed9i dung \u0111a ph\u01b0\u01a1ng ti\u1ec7n kh\u00e1c. N\u00f3 \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n h\u00f3a l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m 2003 b\u1edfi Nh\u00f3m Chuy\u00ean gia \u0110i\u1ec7n \u1ea3nh (MPEG) v\u00e0 T\u1ed5 ch\u1ee9c Ti\u00eau chu\u1ea9n h\u00f3a Qu\u1ed1c t\u1ebf (ISO). MP4 \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng \u0111\u1ecbnh d\u1ea1ng video ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean to\u00e0n c\u1ea7u v\u00ec n\u00f3 n\u00e9n c\u00e1c t\u1ec7p m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 trong khi v\u1eabn duy tr\u00ec kh\u1ea3 n\u0103ng ph\u00e1t l\u1ea1i ch\u1ea5t l\u01b0\u1ee3ng cao. T\u00ednh linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch r\u1ed9ng r\u00e3i c\u1ee7a n\u00f3 khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh \u0111\u1ecbnh d\u1ea1ng thi\u1ebft y\u1ebfu cho nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau, bao g\u1ed3m ph\u00e1t tr\u1ef1c tuy\u1ebfn, chia s\u1ebb video v\u00e0 thi\u1ebft b\u1ecb di \u0111\u1ed9ng.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a MP4 v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3<\/h2>\n<p>S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a MP4 b\u1eaft \u0111\u1ea7u v\u00e0o cu\u1ed1i nh\u1eefng n\u0103m 1990, v\u1edbi nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng v\u1ec1 \u0111\u1ecbnh d\u1ea1ng ch\u1ee9a \u0111a ph\u01b0\u01a1ng ti\u1ec7n ti\u00ean ti\u1ebfn v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n. Tr\u01b0\u1edbc MP4, c\u00e1c \u0111\u1ecbnh d\u1ea1ng nh\u01b0 AVI v\u00e0 MPEG-2 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u01b0ng ch\u00fang c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf v\u1ec1 k\u00edch th\u01b0\u1edbc t\u1ec7p v\u00e0 kh\u1ea3 n\u0103ng ph\u00e1t tr\u1ef1c tuy\u1ebfn.<\/p>\n<p>N\u0103m 1998, \u1ee7y ban MPEG \u0111\u00e3 kh\u1edfi x\u01b0\u1edbng vi\u1ec7c ph\u00e1t tri\u1ec3n MPEG-4, m\u1ed9t ti\u00eau chu\u1ea9n m\u1edbi nh\u1eb1m cung c\u1ea5p kh\u1ea3 n\u0103ng n\u00e9n \u0111a ph\u01b0\u01a1ng ti\u1ec7n \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n v\u00e0 t\u00ednh linh ho\u1ea1t. MP4 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a b\u1ed9 MPEG-4 \u0111\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng thi\u1ebfu s\u00f3t c\u1ee7a c\u00e1c \u0111\u1ecbnh d\u1ea1ng tr\u01b0\u1edbc \u0111\u00f3. L\u1ea7n \u0111\u1ea7u ti\u00ean n\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp \u0111\u1ebfn trong m\u1ed9t t\u00e0i li\u1ec7u do T\u1ed5 ch\u1ee9c Ti\u00eau chu\u1ea9n h\u00f3a Qu\u1ed1c t\u1ebf ph\u00e1t h\u00e0nh n\u0103m 2001, n\u00eau chi ti\u1ebft c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a \u0111\u1ecbnh d\u1ea1ng MPEG-4 Ph\u1ea7n 14.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 MP4<\/h2>\n<p>MP4 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean \u0111\u1ecbnh d\u1ea1ng t\u1ec7p QuickTime do Apple ph\u00e1t tri\u1ec3n ban \u0111\u1ea7u. \u0110\u1ecbnh d\u1ea1ng n\u00e0y tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn nh\u1edd h\u1ed7 tr\u1ee3 nhi\u1ec1u codec kh\u00e1c nhau, bao g\u1ed3m H.264 (AVC) v\u00e0 AAC, cho ph\u00e9p n\u00e9n video v\u00e0 \u00e2m thanh hi\u1ec7u qu\u1ea3 m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e1ng k\u1ec3. Kh\u1ea3 n\u0103ng n\u00e0y khi\u1ebfn n\u00f3 tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u1ea3 ph\u00e1t tr\u1ef1c tuy\u1ebfn v\u00e0 l\u01b0u tr\u1eef c\u1ee5c b\u1ed9.<\/p>\n<p>H\u01a1n n\u1eefa, c\u00e1c t\u1ec7p MP4 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng ph\u00e1t tr\u1ef1c tuy\u1ebfn qua internet v\u00e0 t\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u lo\u1ea1i thi\u1ebft b\u1ecb, gi\u00fap nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn ch\u00fang. Vi\u1ec7c bao g\u1ed3m si\u00eau d\u1eef li\u1ec7u, ph\u1ee5 \u0111\u1ec1 v\u00e0 \u0111\u00e1nh d\u1ea5u ch\u01b0\u01a1ng gi\u00fap n\u00e2ng cao h\u01a1n n\u1eefa tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 cho ph\u00e9p \u0111i\u1ec1u h\u01b0\u1edbng d\u1ec5 d\u00e0ng trong n\u1ed9i dung.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a MP4: MP4 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>C\u00e1c t\u1ec7p MP4 bao g\u1ed3m nhi\u1ec1u lu\u1ed3ng d\u1eef li\u1ec7u, bao g\u1ed3m c\u00e1c b\u1ea3n nh\u1ea1c video, \u00e2m thanh v\u00e0 ph\u1ee5 \u0111\u1ec1, t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u01b0\u1ee3c ch\u1ee9a trong m\u1ed9t v\u00f9ng ch\u1ee9a duy nh\u1ea5t. \u0110\u1ecbnh d\u1ea1ng v\u00f9ng ch\u1ee9a cho ph\u00e9p ph\u00e1t l\u1ea1i \u0111\u1ed3ng b\u1ed9 c\u00e1c lu\u1ed3ng n\u00e0y, cho ph\u00e9p t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch \u00e2m thanh v\u00e0 video.<\/p>\n<p>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a t\u1ec7p MP4 bao g\u1ed3m c\u00e1c nguy\u00ean t\u1eed, l\u00e0 c\u00e1c kh\u1ed1i d\u1eef li\u1ec7u c\u01a1 b\u1ea3n trong \u0111\u1ecbnh d\u1ea1ng. C\u00f3 nhi\u1ec1u lo\u1ea1i nguy\u00ean t\u1eed kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n<ol>\n<li><strong>ftyp (H\u1ed9p lo\u1ea1i t\u1ec7p):<\/strong> X\u00e1c \u0111\u1ecbnh lo\u1ea1i t\u1eadp tin v\u00e0 phi\u00ean b\u1ea3n.<\/li>\n<li><strong>moov (H\u1ed9p Phim):<\/strong> Ch\u1ee9a si\u00eau d\u1eef li\u1ec7u v\u00e0 th\u00f4ng tin c\u1ea7n thi\u1ebft v\u1ec1 ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng.<\/li>\n<li><strong>mdat (H\u1ed9p d\u1eef li\u1ec7u ph\u01b0\u01a1ng ti\u1ec7n):<\/strong> L\u01b0u tr\u1eef n\u1ed9i dung ph\u01b0\u01a1ng ti\u1ec7n th\u1ef1c t\u1ebf, ch\u1eb3ng h\u1ea1n nh\u01b0 khung video v\u00e0 \u00e2m thanh.<\/li>\n<li><strong>trak (H\u1ed9p theo d\u00f5i):<\/strong> Ch\u1ee9a th\u00f4ng tin v\u1ec1 t\u1eebng b\u1ea3n nh\u1ea1c \u0111a ph\u01b0\u01a1ng ti\u1ec7n (video, \u00e2m thanh, v.v.).<\/li>\n<li><strong>mdia (H\u1ed9p ph\u01b0\u01a1ng ti\u1ec7n):<\/strong> Ch\u1ee9a th\u00f4ng tin d\u00e0nh ri\u00eang cho ph\u01b0\u01a1ng ti\u1ec7n, ch\u1eb3ng h\u1ea1n nh\u01b0 codec v\u00e0 th\u1eddi gian.<\/li>\n<\/ol>\n<p>Khi ph\u00e1t t\u1ec7p MP4, tr\u01b0\u1edbc ti\u00ean ng\u01b0\u1eddi ch\u01a1i s\u1ebd \u0111\u1ecdc nguy\u00ean t\u1eed moov, nguy\u00ean t\u1eed n\u00e0y cung c\u1ea5p th\u00f4ng tin c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1ea3i m\u00e3 v\u00e0 hi\u1ec3n th\u1ecb n\u1ed9i dung. Nguy\u00ean t\u1eed mdat ch\u1ee9a ch\u00ednh d\u1eef li\u1ec7u ph\u01b0\u01a1ng ti\u1ec7n n\u00e9n, trong khi nguy\u00ean t\u1eed trak m\u00f4 t\u1ea3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a t\u1eebng r\u00e3nh ph\u01b0\u01a1ng ti\u1ec7n.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a MP4<\/h2>\n<p>MP4 n\u1ed5i b\u1eadt l\u00e0 \u0111\u1ecbnh d\u1ea1ng ch\u1ee9a \u0111a ph\u01b0\u01a1ng ti\u1ec7n \u0111\u01b0\u1ee3c \u01b0a th\u00edch nh\u1edd c\u00f3 nhi\u1ec1u t\u00ednh n\u0103ng:<\/p>\n<ol>\n<li>\n<p><strong>Hi\u1ec7u su\u1ea5t n\u00e9n cao:<\/strong> MP4 s\u1eed d\u1ee5ng c\u00e1c codec ti\u00ean ti\u1ebfn nh\u01b0 H.264 \u0111\u1ec3 n\u00e9n c\u00e1c t\u1ec7p ph\u01b0\u01a1ng ti\u1ec7n m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng, khi\u1ebfn n\u00f3 ph\u00f9 h\u1ee3p \u0111\u1ec3 ph\u00e1t tr\u1ef1c tuy\u1ebfn v\u00e0 ph\u00e2n ph\u1ed1i tr\u1ef1c tuy\u1ebfn.<\/p>\n<\/li>\n<li>\n<p><strong>T\u00ednh linh ho\u1ea1t:<\/strong> \u0110\u1ecbnh d\u1ea1ng n\u00e0y h\u1ed7 tr\u1ee3 nhi\u1ec1u codec \u00e2m thanh, video v\u00e0 ph\u1ee5 \u0111\u1ec1 kh\u00e1c nhau, cho ph\u00e9p linh ho\u1ea1t trong vi\u1ec7c t\u1ea1o v\u00e0 s\u1eed d\u1ee5ng n\u1ed9i dung.<\/p>\n<\/li>\n<li>\n<p><strong>H\u1ed7 tr\u1ee3 si\u00eau d\u1eef li\u1ec7u:<\/strong> C\u00e1c t\u1ec7p MP4 c\u00f3 th\u1ec3 nh\u00fang si\u00eau d\u1eef li\u1ec7u, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u00f4ng tin ti\u00eau \u0111\u1ec1, ngh\u1ec7 s\u0129 v\u00e0 b\u1ea3n quy\u1ec1n, l\u00e0m phong ph\u00fa th\u00eam tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c t\u1ed5 ch\u1ee9c truy\u1ec1n th\u00f4ng.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u1ea3 n\u0103ng truy\u1ec1n ph\u00e1t:<\/strong> Kh\u1ea3 n\u0103ng truy\u1ec1n ph\u00e1t qua internet khi\u1ebfn MP4 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c n\u1ec1n t\u1ea3ng video tr\u1ef1c tuy\u1ebfn v\u00e0 ph\u00e1t s\u00f3ng tr\u1ef1c ti\u1ebfp.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch n\u1ec1n t\u1ea3ng:<\/strong> C\u00e1c t\u1ec7p MP4 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1t tr\u00ean nhi\u1ec1u lo\u1ea1i thi\u1ebft b\u1ecb, bao g\u1ed3m m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y t\u00ednh b\u1ea3ng, m\u00e1y ch\u01a1i game v\u00e0 TV th\u00f4ng minh.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i MP4<\/h2>\n<p>MP4 c\u00f3 nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau, t\u00f9y thu\u1ed9c v\u00e0o codec v\u00e0 t\u00ednh n\u0103ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i MP4 ph\u1ed5 bi\u1ebfn:<\/p>\n<table>\n<thead>\n<tr>\n<th><strong>Ki\u1ec3u<\/strong><\/th>\n<th><strong>S\u1ef1 mi\u00eau t\u1ea3<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>MP4 v\u1edbi H.264<\/td>\n<td>Lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t, s\u1eed d\u1ee5ng codec video H.264 v\u00e0 codec \u00e2m thanh AAC.<\/td>\n<\/tr>\n<tr>\n<td>MP4 v\u1edbi HEVC<\/td>\n<td>S\u1eed d\u1ee5ng codec M\u00e3 h\u00f3a Video Hi\u1ec7u su\u1ea5t Cao (HEVC), mang l\u1ea1i hi\u1ec7u qu\u1ea3 n\u00e9n \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/td>\n<\/tr>\n<tr>\n<td>MP4 v\u1edbi MPEG-2<\/td>\n<td>S\u1eed d\u1ee5ng codec video MPEG-2 c\u0169 h\u01a1n, \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n do kh\u1ea3 n\u0103ng n\u00e9n th\u1ea5p h\u01a1n.<\/td>\n<\/tr>\n<tr>\n<td>MP4 c\u00f3 ph\u1ee5 \u0111\u1ec1<\/td>\n<td>Ch\u1ee9a ph\u1ee5 \u0111\u1ec1 \u0111\u01b0\u1ee3c nh\u00fang ho\u1eb7c ph\u1ee5 \u0111\u1ec1 chi ti\u1ebft \u0111\u1ec3 truy c\u1eadp.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng MP4, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n<p>MP4 t\u00ecm th\u1ea5y \u1ee9ng d\u1ee5ng trong nhi\u1ec1u t\u00ecnh hu\u1ed1ng kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>Chia s\u1ebb video tr\u1ef1c tuy\u1ebfn:<\/strong> C\u00e1c n\u1ec1n t\u1ea3ng chia s\u1ebb video ph\u1ed5 bi\u1ebfn nh\u01b0 YouTube v\u00e0 Vimeo ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng MP4 \u0111\u1ec3 ph\u00e2n ph\u1ed1i n\u1ed9i dung do kh\u1ea3 n\u0103ng ph\u00e1t tr\u1ef1c tuy\u1ebfn v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch r\u1ed9ng.<\/p>\n<\/li>\n<li>\n<p><strong>D\u1ecbch v\u1ee5 truy\u1ec1n ph\u00e1t video:<\/strong> C\u00e1c d\u1ecbch v\u1ee5 ph\u00e1t tr\u1ef1c tuy\u1ebfn l\u1edbn nh\u01b0 Netflix v\u00e0 Amazon Prime Video d\u1ef1a v\u00e0o MP4 \u0111\u1ec3 cung c\u1ea5p n\u1ed9i dung ch\u1ea5t l\u01b0\u1ee3ng cao cho h\u00e0ng tri\u1ec7u ng\u01b0\u1eddi \u0111\u0103ng k\u00fd.<\/p>\n<\/li>\n<li>\n<p><strong>Thi\u00eat bi\u0323 di \u0111\u00f4\u0323ng:<\/strong> MP4 l\u00e0 \u0111\u1ecbnh d\u1ea1ng \u0111\u01b0\u1ee3c \u01b0a th\u00edch d\u00e0nh cho thi\u1ebft b\u1ecb di \u0111\u1ed9ng v\u00ec n\u00f3 mang l\u1ea1i s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 k\u00edch th\u01b0\u1edbc t\u1ec7p, \u0111\u1ea3m b\u1ea3o ph\u00e1t l\u1ea1i m\u01b0\u1ee3t m\u00e0 tr\u00ean \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh v\u00e0 m\u00e1y t\u00ednh b\u1ea3ng.<\/p>\n<\/li>\n<\/ol>\n<p>M\u1eb7c d\u00f9 c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m nh\u01b0ng ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 v\u1edbi t\u1ec7p MP4, ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n<ul>\n<li>\n<p><strong>C\u00e1c v\u1ea5n \u0111\u1ec1 ph\u00e1t l\u1ea1i:<\/strong> M\u1ed9t s\u1ed1 tr\u00ecnh ph\u00e1t \u0111a ph\u01b0\u01a1ng ti\u1ec7n c\u00f3 th\u1ec3 g\u1eb7p s\u1ef1 c\u1ed1 khi gi\u1ea3i m\u00e3 m\u1ed9t s\u1ed1 t\u1ec7p MP4 nh\u1ea5t \u0111\u1ecbnh do v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch v\u1edbi codec.<\/p>\n<\/li>\n<li>\n<p><strong>Tham nh\u0169ng:<\/strong> C\u00e1c t\u1ec7p MP4 c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng, d\u1eabn \u0111\u1ebfn l\u1ed7i trong qu\u00e1 tr\u00ecnh ph\u00e1t l\u1ea1i ho\u1eb7c kh\u00f3 truy c\u1eadp n\u1ed9i dung.<\/p>\n<\/li>\n<\/ul>\n<p>\u0110\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u gi\u1ea3i ph\u00e1p kh\u00e1c nhau:<\/p>\n<ul>\n<li>\n<p><strong>G\u00f3i Codec:<\/strong> C\u00e0i \u0111\u1eb7t g\u00f3i codec tr\u00ean m\u00e1y t\u00ednh c\u00f3 th\u1ec3 n\u00e2ng cao kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a tr\u00ecnh ph\u00e1t \u0111a ph\u01b0\u01a1ng ti\u1ec7n v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u00e1t l\u1ea1i.<\/p>\n<\/li>\n<li>\n<p><strong>Nh\u1eefng c\u00f4ng c\u1ee5 s\u1eeda ch\u1eefa:<\/strong> C\u00e1c c\u00f4ng c\u1ee5 s\u1eeda ch\u1eefa MP4 chuy\u00ean d\u1ee5ng c\u00f3 th\u1ec3 gi\u00fap s\u1eeda ch\u1eefa c\u00e1c t\u1eadp tin b\u1ecb h\u1ecfng v\u00e0 kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u b\u1ecb m\u1ea5t.<\/p>\n<\/li>\n<\/ul>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 so s\u00e1nh MP4 v\u1edbi c\u00e1c \u0111\u1ecbnh d\u1ea1ng ch\u1ee9a \u0111a ph\u01b0\u01a1ng ti\u1ec7n kh\u00e1c:<\/p>\n<table>\n<thead>\n<tr>\n<th><strong>T\u00ednh n\u0103ng<\/strong><\/th>\n<th><strong>MP4<\/strong><\/th>\n<th><strong>AVI<\/strong><\/th>\n<th><strong>MKV<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>H\u1ed7 tr\u1ee3 codec video<\/td>\n<td>H.264, HEVC, MPEG-2<\/td>\n<td>Nhi\u1ec1u<\/td>\n<td>Nhi\u1ec1u<\/td>\n<\/tr>\n<tr>\n<td>H\u1ed7 tr\u1ee3 codec \u00e2m thanh<\/td>\n<td>AAC, MP3<\/td>\n<td>Nhi\u1ec1u<\/td>\n<td>Nhi\u1ec1u<\/td>\n<\/tr>\n<tr>\n<td>H\u1ed7 tr\u1ee3 ph\u1ee5 \u0111\u1ec1<\/td>\n<td>\u0110\u00fang<\/td>\n<td>\u0110\u00fang<\/td>\n<td>\u0110\u00fang<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng truy\u1ec1n ph\u00e1t<\/td>\n<td>\u0110\u00fang<\/td>\n<td>Gi\u1edbi h\u1ea1n<\/td>\n<td>Gi\u1edbi h\u1ea1n<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec7u qu\u1ea3 k\u00edch th\u01b0\u1edbc t\u1ec7p<\/td>\n<td>Cao<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>Cao<\/td>\n<\/tr>\n<tr>\n<td>H\u1ed7 tr\u1ee3 si\u00eau d\u1eef li\u1ec7u<\/td>\n<td>\u0110\u00fang<\/td>\n<td>Gi\u1edbi h\u1ea1n<\/td>\n<td>\u0110\u00fang<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn MP4<\/h2>\n<p>Khi c\u00f4ng ngh\u1ec7 ti\u1ebfn b\u1ed9, t\u01b0\u01a1ng lai c\u1ee7a MP4 c\u00f3 th\u1ec3 s\u1ebd c\u00f2n c\u00f3 nh\u1eefng c\u1ea3i ti\u1ebfn h\u01a1n n\u1eefa. M\u1ed9t s\u1ed1 ph\u00e1t tri\u1ec3n ti\u1ec1m n\u0103ng bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>Codec n\u00e2ng cao:<\/strong> Nh\u1eefng ti\u1ebfn b\u1ed9 trong codec video v\u00e0 \u00e2m thanh s\u1ebd d\u1eabn \u0111\u1ebfn kh\u1ea3 n\u0103ng n\u00e9n hi\u1ec7u qu\u1ea3 h\u01a1n n\u1eefa, gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ec7p trong khi v\u1eabn duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng cao.<\/p>\n<\/li>\n<li>\n<p><strong>H\u1ed7 tr\u1ee3 video 360 \u0111\u1ed9:<\/strong> MP4 \u0111\u01b0\u1ee3c k\u1ef3 v\u1ecdng s\u1ebd th\u00edch \u1ee9ng v\u1edbi c\u00e1c xu h\u01b0\u1edbng m\u1edbi n\u1ed5i, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u1ef1c t\u1ebf \u1ea3o v\u00e0 video 360 \u0111\u1ed9, \u0111\u00e1p \u1ee9ng th\u00f3i quen ti\u00eau d\u00f9ng ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng \u0111ang ph\u00e1t tri\u1ec3n.<\/p>\n<\/li>\n<li>\n<p><strong>T\u00ednh n\u0103ng t\u01b0\u01a1ng t\u00e1c:<\/strong> C\u00e1c phi\u00ean b\u1ea3n MP4 trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p c\u00e1c y\u1ebfu t\u1ed1 t\u01b0\u01a1ng t\u00e1c, mang l\u1ea1i tr\u1ea3i nghi\u1ec7m \u0111a ph\u01b0\u01a1ng ti\u1ec7n h\u1ea5p d\u1eabn h\u01a1n.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi MP4<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c ph\u00e2n ph\u1ed1i n\u1ed9i dung MP4. Ch\u00fang \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e1y ch\u1ee7 video, l\u01b0u v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m v\u00e0 ph\u00e2n ph\u1ed1i n\u1ed9i dung hi\u1ec7u qu\u1ea3 h\u01a1n. M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 gi\u00fap:<\/p>\n<ol>\n<li>\n<p><strong>T\u0103ng t\u1ed1c truy\u1ec1n ph\u00e1t:<\/strong> B\u1eb1ng c\u00e1ch l\u01b0u c\u00e1c t\u1ec7p MP4 v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m g\u1ea7n h\u01a1n v\u1edbi ng\u01b0\u1eddi d\u00f9ng, m\u00e1y ch\u1ee7 proxy s\u1ebd gi\u1ea3m t\u00ecnh tr\u1ea1ng \u0111\u1ec7m v\u00e0 \u0111\u1ed9 tr\u1ec5 trong qu\u00e1 tr\u00ecnh truy\u1ec1n ph\u00e1t video.<\/p>\n<\/li>\n<li>\n<p><strong>Truy c\u1eadp \u1ea9n danh:<\/strong> M\u00e1y ch\u1ee7 proxy cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp n\u1ed9i dung MP4 m\u1ed9t c\u00e1ch \u1ea9n danh, b\u1ecf qua m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf khu v\u1ef1c nh\u1ea5t \u0111\u1ecbnh v\u00e0 \u0111\u1ea3m b\u1ea3o quy\u1ec1n ri\u00eang t\u01b0.<\/p>\n<\/li>\n<li>\n<p><strong>Ti\u1ebft ki\u1ec7m b\u0103ng th\u00f4ng:<\/strong> ISP v\u00e0 nh\u00e0 cung c\u1ea5p n\u1ed9i dung c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy \u0111\u1ec3 ti\u1ebft ki\u1ec7m b\u0103ng th\u00f4ng b\u1eb1ng c\u00e1ch cung c\u1ea5p c\u00e1c t\u1ec7p MP4 \u0111\u01b0\u1ee3c l\u01b0u trong b\u1ed9 nh\u1edb \u0111\u1ec7m, gi\u1ea3m t\u1ea3i cho m\u1ea1ng c\u1ee7a h\u1ecd.<\/p>\n<\/li>\n<\/ol>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 MP4, b\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ol>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/MPEG-4_Part_14\" target=\"_new\" rel=\"noopener nofollow\">MPEG-4 Ph\u1ea7n 14 \u2013 Wikipedia<\/a><\/li>\n<li><a href=\"https:\/\/www.lifewire.com\/mp4-file-4143568\" target=\"_new\" rel=\"noopener nofollow\">\u0110\u1ecbnh d\u1ea1ng t\u1ec7p MP4 \u2013 N\u00f3 l\u00e0 g\u00ec v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li>\n<li><a href=\"https:\/\/www.learningcontainer.com\/mp4-file-extension\/\" target=\"_new\" rel=\"noopener nofollow\">Gi\u1edbi thi\u1ec7u v\u1ec1 MP4: L\u1ecbch s\u1eed, C\u00f4ng d\u1ee5ng v\u00e0 h\u01a1n th\u1ebf n\u1eefa<\/a><\/li>\n<li><a href=\"https:\/\/mpeg.chiariglione.org\/\" target=\"_new\" rel=\"noopener nofollow\">MPEG \u2013 Nh\u00f3m chuy\u00ean gia v\u1ec1 h\u00ecnh \u1ea3nh chuy\u1ec3n \u0111\u1ed9ng<\/a><\/li>\n<\/ol>","protected":false},"featured_media":468947,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478065","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>MP4: A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is MP4?","answer":"<p>MP4, short for MPEG-4 Part 14, is a digital multimedia container format used to store video, audio, and other multimedia content. It was standardized in 2003 by the Motion Picture Experts Group (MPEG) and the International Organization for Standardization (ISO). MP4 is widely popular for its efficient compression and compatibility, making it essential for video streaming, sharing, and mobile devices.<\/p>"},{"question":"How did MP4 originate, and when was it first mentioned?","answer":"<p>The development of MP4 began in the late 1990s when there was a need for a more advanced and efficient multimedia container format. The first mention of MP4 came in 2001 in a technical document released by the International Organization for Standardization (ISO) detailing the specifications of the MPEG-4 Part 14 format.<\/p>"},{"question":"How does MP4 work internally?","answer":"<p>MP4 files consist of atoms, which are basic building blocks of data in the format. The internal structure includes atoms like ftyp, moov, mdat, trak, and mdia, which store metadata, media content, and track information. When playing an MP4 file, the player reads the moov atom to decode and render the content.<\/p>"},{"question":"What are the key features of MP4?","answer":"<p>MP4 stands out for its high compression efficiency, versatility in supporting various codecs, metadata support, and seamless streaming capabilities. It is widely compatible with different devices, making it an ideal choice for content creators and consumers.<\/p>"},{"question":"What types of MP4 files exist?","answer":"<p>There are different types of MP4 files based on the codecs and features used. Some common types include MP4 with H.264, MP4 with HEVC, MP4 with MPEG-2, and MP4 with embedded subtitles.<\/p>"},{"question":"How is MP4 used, and what problems may arise?","answer":"<p>MP4 is used for online video sharing, streaming services, and on mobile devices due to its quality and compatibility. Problems with MP4 files may include playback issues or corruption. Solutions involve installing codec packs and using specialized repair tools.<\/p>"},{"question":"How does the future look for MP4?","answer":"<p>The future of MP4 involves enhanced codecs for better compression, support for emerging trends like 360-degree video, and potentially interactive features for more engaging experiences.<\/p>"},{"question":"How are proxy servers associated with MP4?","answer":"<p>Proxy servers optimize MP4 content delivery by caching files closer to users, accelerating streaming, enabling anonymous access, and saving bandwidth for content providers and ISPs.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478065","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\/478065\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/468947"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=478065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}