Menene ƙimar wartsakewa?

Abu na farko da muke buƙatar kafawa shine "Mene ne ainihin ƙimar refresh?"Abin farin ciki ba shi da wahala sosai.Adadin wartsakewa shine kawai adadin lokutan nuni yana sabunta hoton da yake nunawa a sakan daya.Kuna iya fahimtar wannan ta hanyar kwatanta shi da ƙimar ƙima a cikin fina-finai ko wasanni.Idan an harbi fim a firam 24 a sakan daya (kamar yadda yake a matsayin silima), to abin da ke cikin tushen yana nuna hotuna 24 daban-daban a sakan daya.Hakazalika, nuni tare da ƙimar nuni na 60Hz yana nuna "firam" 60 a sakan daya.Ba ainihin firam ɗin ba ne, saboda nunin zai wartsake sau 60 a kowane daƙiƙa ko da ba pixel ɗaya ya canza ba, kuma nunin yana nuna tushen ciyar da shi kawai.Koyaya, kwatankwacin har yanzu hanya ce mai sauƙi don fahimtar ainihin manufar da ke bayan ƙimar wartsakewa.Mafi girman ƙimar wartsakewa don haka yana nufin ikon sarrafa ƙimar firam mafi girma.Ka tuna kawai, cewa nunin yana nuna tushen da aka ciyar da shi kawai, sabili da haka, ƙimar wartsakewa mai girma bazai inganta ƙwarewar ku ba idan ƙimar wartsakarwar ku ta riga ta wuce ƙimar firam ɗin tushen ku.

Me yasa yake da mahimmanci?

Lokacin da ka haɗa na'urarka zuwa GPU (Graphics Processing Unit/Katin Graphics) mai saka idanu zai nuna duk abin da GPU ya aika masa, a kowane nau'in firam ɗin da ya aika, a ko ƙasa da matsakaicin adadin firam ɗin na'urar.Matsakaicin firam ɗin sauri yana ba da damar yin kowane motsi akan allo cikin kwanciyar hankali (Fig 1), tare da rage blur motsi.Wannan yana da mahimmanci yayin kallon bidiyo ko wasanni cikin sauri.

Rage Rawarta da Wasa

Duk wasannin bidiyo ana yin su ta kayan aikin kwamfuta, komai dandamali ko zane.Mafi yawa (musamman a cikin dandalin PC), ana tofa firam ɗin cikin sauri kamar yadda za a iya haifar da su, saboda wannan yawanci yana fassara zuwa wasan kwaikwayo mai laushi da kyau.Za a sami ƙarancin jinkiri tsakanin kowane firam ɗin ɗaya don haka ƙarancin shigar da bayanai.

Matsalar da kan iya faruwa wani lokaci ita ce lokacin da ake yin firam ɗin cikin sauri fiye da ƙimar da nuni ke wartsakewa.Idan kuna da nunin 60Hz, wanda ake amfani dashi don kunna wasan da ke nuna firam 75 a sakan daya, kuna iya fuskantar wani abu da ake kira "hangen allo".Wannan yana faruwa saboda nunin, wanda ke karɓar shigarwar daga GPU a ɗan ɗan lokaci na yau da kullun, yana yiwuwa ya kama kayan aikin tsakanin firam ɗin.Sakamakon wannan shine tsagewar allo da jujjuyawa, motsi mara daidaituwa.Wasanni da yawa suna ba ku damar daidaita ƙimar firam ɗin ku, amma wannan yana nufin cewa ba kwa amfani da PC ɗinku gwargwadon ƙarfinsa.Me yasa kuke kashe kuɗi da yawa akan sabbin abubuwa mafi girma kamar GPUs da CPUs, RAM da SSD ɗin idan zaku iya ɗaukar ƙarfinsu?

Menene mafita ga wannan, kuna iya mamaki?Ƙimar wartsakewa mafi girma.Wannan yana nufin ko dai siyan 120Hz, 144Hz ko 165Hz na kwamfuta.Waɗannan nunin na iya ɗaukar har zuwa firam 165 a cikin daƙiƙa guda kuma sakamakon wasan ya fi santsi.Haɓakawa daga 60Hz zuwa 120Hz, 144Hz ko 165Hz babban bambanci ne mai ban mamaki.Abu ne da kawai za ku gani da kanku, kuma ba za ku iya yin hakan ta hanyar kallon bidiyonsa akan nunin 60Hz ba.

Adadin wartsakewa mai daidaitawa, duk da haka, sabuwar fasaha ce mai saurin gaske wacce ke ƙara shahara.NVIDIA tana kiran wannan G-SYNC, yayin da AMD ke kiransa FreeSync, amma ainihin ra'ayi iri ɗaya ne.Nuni tare da G-SYNC zai tambayi katin zane yadda sauri yake isar da firam ɗin, kuma yana daidaita ƙimar wartsakewa daidai.Wannan zai kawar da tsagewar allo a kowane ƙimar firam har zuwa matsakaicin adadin wartsakewar na'urar.G-SYNC fasaha ce da NVIDIA ke cajin babban kuɗin lasisi kuma tana iya ƙara ɗaruruwan daloli ga farashin mai duba.FreeSync a daya bangaren fasaha ce ta budaddiyar hanyar da AMD ta samar, kuma yana kara dan kadan ne kawai ga farashin mai duba.Mu a Cikakken Nuni mun shigar da FreeSync akan duk masu saka idanu akan wasan mu a matsayin daidaitaccen tsari.

Abin da 'yan wasa ke cewa

Lokacin da aka tambaye shi game da masu sa ido duk ƙwararrun yan wasa sun ce suna amfani da mafi ƙarancin 144Hz don saitin su.Ikon samun allo yana wartsakewa fiye da sau biyu cikin sauri kamar daidaitaccen saka idanu yana bawa yan wasa damar yin saurin amsawa ga canje-canje a cikin wasan kuma yana rage motsin motsi wanda zai iya haifar da rudani ta hanyar karkatar da hotunan da aka nuna.

Lokacin da suke magana game da ƙuduri, duk sun ce ƙimar wartsakewa ta 144Hz (ko sama) ɗaya ne kawai daga cikin mahimman abubuwan yayin zabar mai saka idanu na caca.Wani muhimmin al'amari shine ƙuduri.Mafi mashahuri ƙuduri tsakanin yan wasa shine 1080p saboda yana da sauƙi don samun ƙimar firam mai girma tare da haka zaku sami fa'ida daga ƙimar wartsakewa mai girma.

Lokacin siyan sabon saka idanu na caca, dole ne ku yi tunani gaba kuma.Ya kamata ku yi nufin 1440p idan kuna da kasafin kuɗi don shi zai zama mafi kyawun saka hannun jari kuma har yanzu kuna iya samun ƙimar firam.Matsakaicin 1080p yana da kyau idan girman allo ya kasance inci 24.Don saka idanu na 27-35 inch, yakamata ku je don 1440p kuma ga duk abin da ke sama, 4K UHD shine mafi kyawun saka hannun jari.