Kodi HEIF ndi HEIC ndichifukwa chiyani Apple Akuwagwiritsa Ntchito?

HEIF ili bwino mwa njira iliyonse fomu yatsopano ya mafano angakhale

Apple inalandira njira yatsopano yojambula zithunzi yotchedwa HEIF (High Efficiency Image Format) mu 2017. Ikuyitanira kugwiritsa ntchito fomu ya fayilo 'HEIC' ndipo, ndi iOS 11, inalowetsa mtundu wa mafayilo wotchedwa JPEG (wotchulidwa Jay-Peg) ndi HEIF ndi zofanana ndi HEIC (High Efficiency Image Container).

Ichi ndi chifukwa chake izi ndizofunika: mawonekedwe amasunga zithunzi muyeso yabwino pamene akunyamulira malo osungirako.

Zithunzi Pamaso pa HEIF

Zinakhazikitsidwa mu 1992, mawonekedwe a JPEG anali opambana kwambiri pa zomwe zinali, koma adamangidwa panthawi yomwe makompyuta sakanatha lero.

HEIF yakhazikitsidwa pa makina opanga mafilimu opangidwa ndi makina opangidwa ndi gulu la akatswiri ojambula zithunzi, HVEC (amadziwikanso kuti H.265). Ndicho chifukwa chake zimatha kunyamula zambiri.

Momwe HEIF Imayendera Kwa Inu

Apa ndi kumene HEIF ikugwiritsidwira ntchito ku dziko lenileni: kamera mu iPhone 7 ikhoza kulumikiza mtundu wa 10-bit mtundu, koma mawonekedwe a JPEG angangotenga mtundu mu 8-bit. Izi zikutanthawuza kuti mawonekedwe a HEIF amathandizira kuwonekera ndipo amatha kugwiritsa ntchito zithunzi 16-bit. Ndipo tenga izi: chithunzi cha HEIF chiri pafupi ndi 50 peresenti yaing'ono kuposa fano lomwelo losungidwa mu JPEG. Chithunzi chojambulidwacho chimatanthauza kuti muyenera kusunga zithunzi zambiri pa iPhone yanu kapena chipangizo china cha iOS.

Chinthu chinanso chachikulu ndi chakuti HEIF ikhoza kukhala ndi mitundu yosiyanasiyana ya chidziwitso.

Ngakhale JPEG ikhoza kunyamula deta yomwe ili ndi fano limodzi, HEIF ikhoza kunyamula zifaniziro ziwiri ndi zofanana zake-zimakhala ngati chidebe. Mukhoza kusunga zithunzi zambiri, komanso mukhoza kumvetsera nyimbo, zozama zamtunda, zithunzi zamakono ndi zina zambiri mmenemo.

Kodi Apple Ingagwiritse Ntchito HEIC?

Kugwiritsa ntchito kwa HEIC monga chidebe cha zithunzi, mavidiyo, ndi zokhudzana ndi zithunzi zimatanthauza Apple akhoza kuganiza za kuchita zambiri ndi makamera anu ndi zithunzi.

Maonekedwe a iPhone 7 a Portrait ndi chitsanzo chabwino cha momwe kampani ingagwiritsire ntchito ndi izi. Mawonekedwe a Portrait amajambula zithunzi zambiri za fano ndikuwalumikiza palimodzi kuti apange zithunzi zabwino kwambiri kuposa khalidwe la JPEG.

Kutha kwanyamulidwe kowonjezereka kwachinsinsi mkati mwa chidepala cha HEIC chikhoza kuthandiza Apulo kugwiritsira ntchito makina opanikizidwa monga gawo la teknoloji yowonongeka yomwe ikugwira ntchito.

"Mzere pakati pa zithunzi ndi mavidiyo ndi wovuta, ndipo zambiri zomwe timagwira ndizophatikiza zonsezi," anatero Apple's VP Software, Sebastien Marineau-Mes ku WWDC.

Kodi HEIF ndi HEIC Ntchito?

Ogwiritsa Mac ndi iOS akuyika iOS 11 ndi MacOS High Sierra adzasunthidwa ku mawonekedwe atsopano, koma zithunzi zomwe iwo amatha pambuyo pozisintha zidzasungidwa mu mtunduwu.

Zithunzi zanu zonse zakale zidzasungidwa mu mawonekedwe awo omwe alipo.

Ponena za kugawana zithunzi, zipangizo za Apple zikhoza kutembenuza zithunzi za HEIF kukhala JPEGs. Simukuyenera kuzindikira kuti kusinthaku kukuchitika.

Izi ndi chifukwa apulogalamu apanga TV ya HVEC mkati mwa zipangizo za iPhone ndi iPad kuyambira pomwe adayambitsa zinthu zomwezo. iPads, iPhone 8 mndandanda ndi iPhone X akhoza kukhoza ndi kutanthauzira zithunzi mu kanema kanema pafupi pomwepo. N'chimodzimodzinso pakugwira HEIC.

Izi zikutanthauza kuti mukatumizira imelo chithunzi, tumizani ndi iMessage, kapena ingogwiritsani ntchito pulogalamu yomwe ilibe HEIF chithandizo, chipangizo chanu chidzasinthira mwakachetechete ku JPEG mu nthawi yeniyeni ndikupita nacho ku HEIC.

Pamene oyendetsa iOS ndi MacOS amasamukira ku mtundu watsopano mudzawona zithunzi zambiri zomwe zimanyamula .fowonjezera fayilo ya fayilo, zomwe zikutanthauza kuti zasungidwa mu mtunduwo.