{"id":5900,"date":"2017-10-02T11:41:03","date_gmt":"2017-10-02T04:41:03","guid":{"rendered":"http:\/\/snt.com.vn\/blog\/?p=5900"},"modified":"2017-10-02T11:41:03","modified_gmt":"2017-10-02T04:41:03","slug":"apple-va-file-anh-dinh-dang-heif-co-cach-mang-hoa-nhiep-anh-smartphone-nhu-nao","status":"publish","type":"post","link":"https:\/\/snt.com.vn\/blog\/apple-va-file-anh-dinh-dang-heif-co-cach-mang-hoa-nhiep-anh-smartphone-nhu-nao\/","title":{"rendered":"Apple v\u00e0 file \u1ea3nh \u0111\u1ecbnh d\u1ea1ng HEIF c\u00f3 th\u1ec3 c\u00e1ch m\u1ea1ng h\u00f3a nhi\u1ebfp \u1ea3nh smartphone nh\u01b0 th\u1ebf n\u00e0o ?"},"content":{"rendered":"

\n\tT\u1ea1i h\u1ed9i ngh\u1ecb WWDC n\u0103m nay, Apple t\u1eebng thông báo r\u1eb1ng h\u1ecd \u0111ang áp d\u1ee5ng hai \u0111\u1ecbnh d\u1ea1ng chu\u1ea9n m\u1edbi cho vi\u1ec7c l\u01b0u tr\u1eef và x\u1eed lý hình \u1ea3nh và video, có tên g\u1ecdi HEIF (High Efficiency Image File Format) và HEVC (High Efficiency Video Coding). Cho dù ti\u1ec1m n\u0103ng c\u1ee7a c\u1ea3 hai chu\u1ea9n này cho iOS trong t\u01b0\u01a1ng lai là r\u1ea5t l\u1edbn, nh\u01b0ng trong bài vi\u1ebft này, chúng ta ch\u1ec9 t\u1eadp trung vào HEIF khi nhu c\u1ea7u ch\u1ee5p \u1ea3nh trên smartphone \u0111ang ngày càng tr\u1edf nên c\u1ea7n thi\u1ebft v\u1edbi ng\u01b0\u1eddi dùng.\n<\/p>\n

\n\tHEIF là gì, nó làm nh\u1eefng gì, s\u1eed d\u1ee5ng nh\u01b0 th\u1ebf nào và b\u1ea1n có nên \u0111\u1ec3 ý \u0111\u1ebfn nó?<\/strong>\n<\/p>\n

\n\tB\u1ecf qua các thông s\u1ed1 k\u1ef9 thu\u1eadt r\u1eafc r\u1ed1i, cho \u0111\u1ebfn nay JPEG v\u1eabn là chu\u1ea9n nén \u1ea3nh \u0111\u01b0\u1ee3c công nh\u1eadn và s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t. Tuy nhiên, g\u1ea7n \u0111ây \u0111ã xu\u1ea5t hi\u1ec7n hàng lo\u1ea1t thu\u1eadt toán nén \u1ea3nh m\u1edbi, có kh\u1ea3 n\u0103ng gi\u1ea3m kích th\u01b0\u1edbc t\u1eadp tin hi\u1ec7u qu\u1ea3 h\u01a1n JPEG mà không làm \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng hình \u1ea3nh. HEIF là m\u1ed9t trong nh\u1eefng \u0111\u1ecbnh d\u1ea1ng nh\u01b0 v\u1eady.\n<\/p>\n

\n\tNó có kh\u1ea3 n\u0103ng nén \u1ea3nh hi\u1ec7u qu\u1ea3 g\u1ea5p hai l\u1ea7n chu\u1ea9n JPEG, do \u0111ó nó \u0111em l\u1ea1i hình \u1ea3nh có ch\u1ea5t l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, trong khi ch\u1ec9 có kích th\u01b0\u1edbc trung bình nh\u1ecf h\u01a1n 2 l\u1ea7n. Ngoài ra, HEIF còn h\u1ed7 tr\u1ee3 c\u1ea3 vi\u1ec7c x\u1ebfp các l\u1edbp hình \u1ea3nh – ví d\u1ee5, các hình \u1ea3nh \u0111\u1ed9ng, ho\u1eb7c các hình \u1ea3nh m\u1edf r\u1ed9ng h\u01a1n – c\u0169ng nh\u01b0 \u0111\u1ed9 sâu bit màu cao h\u01a1n JPEG (16-bit màu), nhúng các siêu thông tin HDR, b\u1ea3n \u0111\u1ed3 chi\u1ec1u sâu và nhi\u1ec1u tính n\u0103ng thú v\u1ecb khác.\n<\/p>\n

\n\t<\/a>\n<\/p>\n

\n\tDù v\u1eady, nó v\u1eabn có m\u1ed9t \u0111i\u1ec3m tr\u1eeb quan tr\u1ecdng, \u0111ó là v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 r\u1ed9ng rãi, ngh\u0129a là b\u1ea1n ch\u1ec9 có t\u1eadn h\u01b0\u1edfng h\u1ebft các kh\u1ea3 n\u0103ng c\u1ee7a nó trên m\u1ed9t s\u1ed1 gi\u1edbi h\u1ea1n thi\u1ebft b\u1ecb mà thôi. Ví d\u1ee5 khi b\u1ea1n k\u1ebft n\u1ed1i chi\u1ebfc iPhone v\u1edbi máy tính Windows c\u1ee7a mình và chuy\u1ec3n hình \u1ea3nh t\u1eeb iPhone sang máy tính, chúng s\u1ebd b\u1ecb chuy\u1ec3n \u0111\u1ed5i t\u1eeb HEIF v\u1ec1 JPEG, và làm m\u1ea5t \u0111i các \u01b0u \u0111i\u1ec3m trên trong quá trình chuy\u1ec3n \u0111\u1ed5i.\n<\/p>\n

\n\tDù sao \u0111i n\u1eefa, gi\u1edd \u0111ây khi nó \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi Apple v\u1edbi h\u1ec7 sinh thái ph\u1ea7n c\u1ee9ng kh\u1ed5ng l\u1ed3, t\u01b0\u01a1ng lai c\u1ee7a HEIF rõ ràng \u0111ang tr\u1edf nên sáng s\u1ee7a h\u01a1n bao gi\u1edd h\u1ebft. Nh\u01b0ng \u0111i\u1ec1u gì s\u1ebd x\u1ea3y ra khi b\u1ea1n mu\u1ed1n xem nh\u1eefng hình \u1ea3nh này trên các thi\u1ebft b\u1ecb không ph\u1ea3i Apple? Li\u1ec7u gi\u1eefa \u0111\u1ecbnh d\u1ea1ng “Hi\u1ec7u qu\u1ea3 cao<\/em>” và \u0111\u1ecbnh d\u1ea1ng “T\u01b0\u01a1ng thích t\u1ed1t nh\u1ea5t<\/em>” có nh\u1eefng l\u1ee3i ích nào? Và b\u1ea1n có c\u1ea7n quan tâm \u0111\u1ebfn chúng hay không?\n<\/p>\n

\n\t“Hi\u1ec7u qu\u1ea3 cao<\/em>” “T\u01b0\u01a1ng thích t\u1ed1t nh\u1ea5t<\/em>”<\/strong>\n<\/p>\n

\n\tKhi b\u1ea1n truy c\u1eadp vào ph\u1ea7n cài \u0111\u1eb7t v\u1ec1 camera trên iOS, b\u1ea1n s\u1ebd th\u1ea5y có hai thi\u1ebft l\u1eadp m\u1edbi v\u1ec1 \u0111\u1ecbnh d\u1ea1ng, qua \u0111\u01b0\u1eddng d\u1eabn Settings > Camera > Formats. “Hi\u1ec7u qu\u1ea3 cao<\/em>” (High Efficiency) \u0111ang là thi\u1ebft l\u1eadp m\u1eb7c \u0111\u1ecbnh khi b\u1ea1n c\u1eadp nh\u1eadt lên iOS 11, và nó cho phép b\u1ea1n ch\u1ee5p \u1ea3nh và quay video v\u1edbi các \u0111\u1ecbnh d\u1ea1ng HEIF\/HEVC, trong khi n\u1ebfu b\u1ea1n chuy\u1ec3n thành thi\u1ebft l\u1eadp “T\u01b0\u01a1ng thích t\u1ed1t nh\u1ea5t<\/em>” (Most Compatible) thì n\u1ed9i dung s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u \u1edf \u0111\u1ecbnh d\u1ea1ng JPEG và H.264.\n<\/p>\n

\n\t\u0110\u1ecbnh d\u1ea1ng HEIF s\u1ebd giúp b\u1ea1n ti\u1ebft ki\u1ec7m \u0111áng k\u1ec3 không gian l\u01b0u tr\u1eef, nh\u01b0ng ch\u1ea5t l\u01b0\u1ee3ng nh\u01b0 th\u1ebf nào so v\u1edbi \u0111\u1ecbnh d\u1ea1ng JPEG, b\u1ea1n hãy th\u1eed nhìn ph\u1ea7n so sánh d\u01b0\u1edbi \u0111ây c\u1ee7a PhoneArena \u0111\u1ec3 bi\u1ebft chính xác h\u01a1n. \u0110\u1ea7u tiên, h\u1ecd \u0111ã ch\u1ee5p kho\u1ea3ng 70 b\u1ee9c \u1ea3nh v\u1edbi các phong c\u1ea3nh khác nhau b\u1eb1ng c\u1ea3 hai \u0111\u1ecbnh d\u1ea1ng nén \u0111\u1ec3 so sánh.\n<\/p>\n

\n\t\u0110i\u1ec1u \u0111áng ng\u1ea1c nhiên \u0111\u1ea7u tiên mà PhoneArena nh\u1eadn ra là các file \u0111\u1ecbnh d\u1ea1ng HEIF l\u1ea1i có kích th\u01b0\u1edbc trung bình l\u1edbn h\u01a1n 20% so v\u1edbi các file \u0111\u1ecbnh d\u1ea1ng JPEG, thay vì nh\u1ecf h\u01a1n nh\u01b0 lý thuy\u1ebft. Hóa ra, \u0111i\u1ec1u bí \u1ea9n này là vì khi b\u1ea1n chuy\u1ec3n các file \u1ea3nh HEIF sang các thi\u1ebft b\u1ecb ko h\u1ed7 tr\u1ee3 \u0111\u1ecbnh d\u1ea1ng này, ví d\u1ee5 nh\u01b0 máy tính Windows, nó s\u1ebd \u0111\u01b0\u1ee3c convert sang JPEG và vì v\u1eady làm t\u0103ng kích th\u01b0\u1edbc \u0111\u1ec3 duy trì ch\u1ea5t l\u01b0\u1ee3ng, trong khi trên chi\u1ebfc iPhone, file \u1ea3nh HEIF v\u1eabn nh\u1ecf h\u01a1n JPEG.\n<\/p>\n

\n\t \n<\/p>\n\n\n\n\n
\n\t\t\t\t\"\u0110\u1ecbnh<\/a>\n\t\t\t<\/td>\n<\/tr>\n
\n\t\t\t\t\u0110\u1ecbnh d\u1ea1ng HEIF (bên trái) n\u1eb7ng 1,2MB, \u0111\u1ecbnh d\u1ea1ng JPEG (bên ph\u1ea3i) n\u1eb7ng 2,5MB.\n\t\t\t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\tVi\u1ec7c so sánh b\u1eaft \u0111\u1ea7u v\u1edbi các b\u1ee9c \u1ea3nh ch\u1ee5p trong môi tr\u01b0\u1eddng có ki\u1ec3m soát, b\u1eb1ng cách dùng chi\u1ebfc iPhone 7 Plus \u0111\u1eb7t trên tripod \u0111\u1ec3 ch\u1ee5p 2 b\u1ee9c \u1ea3nh gi\u1ed1ng h\u1ec7t nhau cho b\u1ea3ng ISO 122233. M\u1edbi nhìn qua, trông chúng gi\u1ed1ng h\u1ec7t nhau khi \u1edf kích th\u01b0\u1edbc \u0111\u1ea7y \u0111\u1ee7, nh\u01b0ng khi zoom lên \u0111\u1ebfn … 300%, s\u1ef1 khác bi\u1ec7t m\u1edbi b\u1eaft \u0111\u1ea7u xu\u1ea5t hi\u1ec7n.\n<\/p>\n

\n\tV\u1edbi m\u1ee9c \u0111\u1ed9 zoom này, hình \u1ea3nh \u1edf c\u1ea3 hai \u0111\u1ecbnh d\u1ea1ng \u0111\u1ec1u trông d\u1edf t\u1ec7 nh\u01b0 nhau, nh\u01b0ng b\u1ea1n ch\u1ec9 m\u1ea5t có 1,2MB b\u1ed9 nh\u1edb v\u1edbi \u0111\u1ecbnh d\u1ea1ng HEIF n\u1ebfu so v\u1edbi 2,5MB c\u1ee7a JPEG. Và trên th\u1ef1c t\u1ebf, b\u1ea1n g\u1ea7n nh\u01b0 không th\u1ec3 nh\u1eadn ra b\u1ea5t k\u1ef3 s\u1ef1 khác bi\u1ec7t nào khi hình \u1ea3nh \u1edf kích th\u01b0\u1edbc \u0111\u1ea7y \u0111\u1ee7, trong khi ch\u1ec9 t\u1ed1n m\u1ed9t n\u1eeda b\u1ed9 nh\u1edb l\u01b0u tr\u1eef.\n<\/p>\n

\n\t \n<\/p>\n\n\n\n\n
\n\t\t\t\t\"\u0110\u1ecbnh<\/a>\n\t\t\t<\/td>\n<\/tr>\n
\n\t\t\t\t\u0110\u1ecbnh d\u1ea1ng HEIF (bên trái), \u0111\u1ecbnh d\u1ea1ng JPEG (bên ph\u1ea3i) \u1edf \u0111\u1ed9 zoom 300%.\n\t\t\t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\tTi\u1ebfp theo là hình \u1ea3nh ch\u1ee5p \u1edf phong c\u1ea3nh ngoài tr\u1eddi, v\u1edbi b\u1ed1 c\u1ee5c ph\u1ee9c t\u1ea1p h\u01a1n m\u1ed9t chút. D\u01b0\u1edbi \u0111ây là hai b\u1ee9c \u1ea3nh ch\u1ee5p c\u1ea3nh nhà th\u1edd vào gi\u1eefa ngày:\n<\/p>\n

\n\t \n<\/p>\n\n\n\n\n
\n\t\t\t\t\"\u0110\u1ecbnh<\/a>\n\t\t\t<\/td>\n<\/tr>\n
\n\t\t\t\t\u0110\u1ecbnh d\u1ea1ng HEIF (bên trái) n\u1eb7ng 1,8MB, \u0111\u1ecbnh d\u1ea1ng JPEG (bên ph\u1ea3i) n\u1eb7ng 3,4MB.\n\t\t\t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\tC\u0169ng không có s\u1ef1 khác bi\u1ec7t \u0111áng k\u1ec3 nào khi \u1edf kích th\u01b0\u1edbc \u0111\u1ea7y \u0111\u1ee7, cho dù \u0111\u1ecbnh d\u1ea1ng JPEG n\u1eb7ng \u0111\u1ebfn 3,4MB trong khi \u0111\u1ecbnh d\u1ea1ng HEIF ch\u1ec9 có 1,8MB. Và c\u0169ng nh\u01b0 ví d\u1ee5 trên, \u1edf hình \u1ea3nh này, ta s\u1ebd phóng to lên nhi\u1ec1u l\u1ea7n \u0111\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c s\u1ef1 khác bi\u1ec7t gi\u1eefa hai ph\u01b0\u01a1ng pháp nén này. Và c\u0169ng nh\u01b0 ví d\u1ee5 trên, ch\u1ec9 khi phóng to lên 300%, s\u1ef1 khác bi\u1ec7t chút ít m\u1edbi có th\u1ec3 nh\u1eadn ra khi nhìn th\u1eadt k\u1ef9.\n<\/p>\n

\n\t \n<\/p>\n\n\n\n\n
\n\t\t\t\t\"\u0110\u1ecbnh<\/a>\n\t\t\t<\/td>\n<\/tr>\n
\n\t\t\t\t\u0110\u1ecbnh d\u1ea1ng HEIF (bên trái), \u0111\u1ecbnh d\u1ea1ng JPEG (bên ph\u1ea3i) \u1edf \u0111\u1ed9 zoom 300%.\n\t\t\t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\tTrong khi b\u1ea3ng ISO \u1edf ví d\u1ee5 trên ch\u1ee7 y\u1ebfu ch\u1ec9 bao g\u1ed3m hai màu \u0111en và tr\u1eafng, còn m\u1eb7t tr\u01b0\u1edbc c\u1ee7a nhà th\u1edd không ch\u1ec9 nhi\u1ec1u chi ti\u1ebft h\u01a1n mà còn có nhi\u1ec1u màu s\u1eafc \u0111\u1eb7c tr\u01b0ng h\u01a1n. Ngoài ra, v\u1edbi các thu\u1eadt toán nén \u1ea3nh, nh\u1eefng khu v\u1ef1c \u0111\u1ed3ng màu – nh\u01b0 b\u1ea7u tr\u1eddi xanh trong \u1ea3nh ch\u1ee5p nhà th\u1edd, và n\u1ec1n màu tr\u1eafng trong \u1ea3nh ch\u1ee5p b\u1ea3ng ISO – \u0111\u1ec1u là nh\u1eefng vùng có th\u1ec3 nén v\u1edbi t\u1ef7 s\u1ed1 cao h\u01a1n và vì v\u1eady gi\u1ea3m \u0111\u01b0\u1ee3c \u0111áng k\u1ec3 kích th\u01b0\u1edbc file.\n<\/p>\n

\n

\n\tThêm m\u1ed9t ví d\u1ee5 khác khi \u1ea3nh ch\u1ee5p trong nhà v\u1edbi khung c\u1ea3nh ph\u1ee9c t\u1ea1p h\u01a1n, nhi\u1ec1u màu s\u1eafc h\u01a1n, c\u0169ng nh\u01b0 các khu v\u1ef1c \u0111\u1ed3ng m\u1ea7u ít h\u01a1n. Trong khung c\u1ea3nh này, s\u1ef1 khác bi\u1ec7t v\u1ec1 kích th\u01b0\u1edbc file l\u1ea1i m\u1ed9t l\u1ea7n n\u1eefa rõ r\u1ec7t h\u01a1n, khi file JPEG n\u1eb7ng \u0111\u1ebfn 2,5MB còn file HEIF ch\u1ec9 n\u1eb7ng 1,3MB. Và ngay c\u1ea3 khi \u0111\u01b0\u1ee3c xem xét m\u1ed9t cách k\u1ef9 l\u01b0\u1ee1ng, nh\u1eefng khác bi\u1ec7t v\u1ec1 màu s\u1eafc và \u0111\u1ed9 chi ti\u1ebft gi\u1eefa hai \u0111\u1ecbnh d\u1ea1ng này v\u1eabn h\u1ea7u nh\u01b0 không \u0111áng k\u1ec3.\n<\/p>\n

\n\t<\/a>\n<\/p>\n

\n\tNh\u1eefng l\u1ee3i ích th\u1eadt s\u1ef1 c\u1ee7a HEIF<\/strong>\n<\/p>\n

\n\tL\u1ee3i ích l\u1edbn nh\u1ea5t c\u1ee7a \u0111\u1ecbnh d\u1ea1ng \u1ea3nh m\u1edbi này là b\u1ea1n có th\u1ec3 ti\u1ebft ki\u1ec7m \u0111áng k\u1ec3 b\u1ed9 nh\u1edb l\u01b0u tr\u1eef trên iPhone và iPad mà không \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng. Ngoài ra, còn có m\u1ed9t tin t\u1ed1t khác v\u1edbi ng\u01b0\u1eddi dùng, \u0111ó là cho dù b\u1ea1n \u0111ang ph\u1ee5 thu\u1ed9c vào \u1ee9ng d\u1ee5ng Photos và iCloud c\u1ee7a Apple hay sao l\u01b0u trên Google Photos, \u0111\u1ecbnh d\u1ea1ng HEIF s\u1ebd gi\u1eef nguyên kích th\u01b0\u1edbc ban \u0111\u1ea7u và có th\u1ec3 xem trên thi\u1ebft b\u1ecb thích h\u1ee3p ho\u1eb7c trên web v\u1edbi các n\u1ec1n t\u1ea3ng khác.\n<\/p>\n

\n\tV\u1ea5n \u0111\u1ec1 ch\u1ec9 x\u1ea3y ra khi b\u1ea1n mu\u1ed1n chuy\u1ec3n các file này sang máy tính c\u1ee7a mình, lúc này nó s\u1ebd b\u1ecb chuy\u1ec3n sang \u0111\u1ecbnh d\u1ea1ng JPEG v\u1edbi kích th\u01b0\u1edbc l\u1edbn h\u01a1n nhi\u1ec1u so v\u1edbi tr\u01b0\u1edbc. Th\u1eadm chí, n\u1ebfu b\u1ea1n t\u1ea3i file HEIF g\u1ed1c t\u1eeb Google Photos xu\u1ed1ng PC, b\u1ea1n c\u0169ng ch\u1eb3ng th\u1ec3 xem hay ch\u1ec9nh s\u1eeda, c\u0169ng nh\u01b0 làm b\u1ea5t k\u1ef3 \u0111i\u1ec1u gì khác.\n<\/p>\n

\n\t \n<\/p>\n\n\n\n\n
\n\t\t\t\t\"V\u1edbi<\/a>\n\t\t\t<\/td>\n<\/tr>\n
\n\t\t\t\tV\u1edbi kh\u1ea3 n\u0103ng ghi l\u1ea1i d\u1eef li\u1ec7u chi\u1ec1u sâu c\u1ee7a hình \u1ea3nh, \u0111\u1ecbnh d\u1ea1ng HEIF cho phép ng\u01b0\u1eddi dùng ch\u1ec9nh s\u1eeda t\u1eebng m\u1eb7t ph\u1eb3ng c\u1ee7a khung c\u1ea3nh.\n\t\t\t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\tCho dù v\u1eady, trong t\u01b0\u01a1ng lai khi \u0111\u1ecbnh d\u1ea1ng HEIF\/HEVC do Apple \u1ee7ng h\u1ed9 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn r\u1ed9ng rãi h\u01a1n, và tr\u1edf nên ph\u1ed5 bi\u1ebfn h\u01a1n, l\u1ee3i ích chính c\u1ee7a các \u0111\u1ecbnh d\u1ea1ng này s\u1ebd không ch\u1ec9 ti\u1ebft ki\u1ec7m không gian l\u01b0u tr\u1eef n\u1eefa. V\u1edbi kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 các hình \u1ea3nh b\u1ed5 sung, ví d\u1ee5 các b\u1ea3n \u0111\u1ed3 chi\u1ec1u sâu, hay các hình \u1ea3nh x\u1ebfp l\u1edbp, ngh\u0129a là các file \u1ea3nh HEIF có th\u1ec3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u chi\u1ec1u sâu, và cho phép ng\u01b0\u1eddi dùng ch\u1ec9nh s\u1eeda các “m\u1eb7t ph\u1eb3ng” khác nhau c\u1ee7a m\u1ed9t hình \u1ea3nh (ví d\u1ee5 ti\u1ec1n c\u1ea3nh, h\u1eadu c\u1ea3nh, gi\u1eefa c\u1ea3nh) trên các thi\u1ebft b\u1ecb t\u01b0\u01a1ng thích.\n<\/p>\n

\n\tNh\u01b0 v\u1eady, b\u1ea1n có th\u1ec3 b\u1ed5 sung hi\u1ec7u \u1ee9ng bokeh yêu thích, các d\u1ea3i m\u1ea7u r\u1ed9ng h\u01a1n cho file \u1ea3nh c\u1ee7a mình. K\u1ebft qu\u1ea3 là b\u1ea1n s\u1ebd có \u0111\u01b0\u1ee3c nh\u1eefng b\u1ee9c \u1ea3nh v\u1edbi màu s\u1eafc phong phú h\u01a1n, s\u1ed1ng \u0111\u1ed9ng h\u01a1n v\u1edbi các hi\u1ec7u \u1ee9ng thú v\u1ecb h\u01a1n. Không nh\u1eefng v\u1eady, HEIF còn h\u1ed7 tr\u1ee3 nhi\u1ec1u hình \u1ea3nh trong cùng m\u1ed9t file, ngh\u0129a là b\u1ea1n có th\u1ec3 t\u1ea1o ra m\u1ed9t hình \u1ea3nh n\u1ed5i 3D ho\u1eb7c có nhi\u1ec1u m\u1ee9c \u0111\u1ed9 ph\u01a1i sáng khác nhau, ho\u1eb7c hình \u1ea3nh \u0111\u1ed9ng, và th\u1eadm chí nó còn có th\u1ec3 h\u1ed7 tr\u1ee3 các lo\u1ea1i n\u1ed9i dung khác nh\u01b0 audio ho\u1eb7c text.\n<\/p>\n

\n\tNh\u1eefng l\u1ee3i ích th\u1eadt s\u1ef1 này s\u1ebd tr\u1edf nên rõ ràng h\u01a1n khi nhi\u1ebfp \u1ea3nh \u0111i\u1ec7n toán tr\u1edf nên ph\u1ed5 bi\u1ebfn h\u01a1n – ho\u1eb7c ít nh\u1ea5t \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn r\u1ed9ng rãi h\u01a1n hi\u1ec7n nay – tuy nhiên, t\u01b0\u01a1ng lai này v\u1eabn còn c\u1ea7n m\u1ed9t th\u1eddi gian khá dài n\u1eefa. Hi\u1ec7n t\u1ea1i \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi dùng thông th\u01b0\u1eddng, l\u1ee3i ích \u0111áng k\u1ec3 nh\u1ea5t c\u1ee7a \u0111\u1ecbnh d\u1ea1ng m\u1edbi là ti\u1ebft ki\u1ec7m b\u1ed9 nh\u1edb l\u01b0u tr\u1eef, nh\u01b0ng nó c\u0169ng s\u1ebd gây ra không ít v\u1ea5n \u0111\u1ec1 \u0111au \u0111\u1ea7u do v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng thích.<\/p>\n","protected":false},"excerpt":{"rendered":"

T\u1ea1i h\u1ed9i ngh\u1ecb WWDC n\u0103m nay, Apple t\u1eebng thông báo r\u1eb1ng h\u1ecd \u0111ang áp d\u1ee5ng hai \u0111\u1ecbnh d\u1ea1ng chu\u1ea9n m\u1edbi<\/p>\n","protected":false},"author":12,"featured_media":5901,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,69,73,74,78,10,1],"tags":[106,128,490,380,317,316],"yoast_head":"\nApple v\u00e0 file \u1ea3nh \u0111\u1ecbnh d\u1ea1ng HEIF c\u00f3 th\u1ec3 c\u00e1ch m\u1ea1ng h\u00f3a nhi\u1ebfp \u1ea3nh smartphone nh\u01b0 th\u1ebf n\u00e0o ? - Blog SNT - C\u00f4ng Ty TNHH Si\u00eau Nh\u1eadt Thanh - Sao Nhanh Th\u1ebf<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/snt.com.vn\/blog\/apple-va-file-anh-dinh-dang-heif-co-cach-mang-hoa-nhiep-anh-smartphone-nhu-nao\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Apple v\u00e0 file \u1ea3nh \u0111\u1ecbnh d\u1ea1ng HEIF c\u00f3 th\u1ec3 c\u00e1ch m\u1ea1ng h\u00f3a nhi\u1ebfp \u1ea3nh smartphone nh\u01b0 th\u1ebf n\u00e0o ? 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