Mpaka posachedwa, kuthetsa bwino kwa ma TV kunali ma pixel 1920x1080, omwe ndi 1080p kapena amatchedwa - Full HD. Koma mu 2002-2005, ndondomeko yatsopano ya chigwirizano chachikulu inayamba - 2K yoyamba, kenaka 4K. Onetsetsani zotsatira za khalidweli tsopano zowoneka osati m'ma cinema, koma kunyumba, chifukwa cha ichi mukufunikira TV ndi thandizo la 4K UHD.
Kodi mawu 4K (Ultra HD) ndi UHD amatanthauza chiyani?
Musanayambe kudziwa ma TV 4K UHD, muyenera kumvetsetsa mawuwa. Kotero, 4K ndi UHD sizili zofanana komanso osati dzina lachabechabe. Izi ndizimene zimapangidwa ndi zinthu zosiyana kwambiri.
4K ndiyeso yapamwamba yopanga ntchito, pamene UHD ndi muyeso wofalitsa ndi wogulitsa. Kulankhula za 4K, timatanthawuza kusankhidwa kwa pixelero 4096x260, yomwe ndi nthawi 2 kuposa momwe mumayendera 2K (2048x1080). Kuwonjezera apo, mawu 4K amamasuliranso kutanthauzira kwa zinthu.
UHD, monga gawo lotsatira la Full HD, ikuwonjezera chisamaliro cha masewera kuti 3840x2160. Monga momwe mukuonera, mfundo za 4K ndi UHD sizigwirizana, ngakhale potsatsa timakonda kumvetsera mfundo ziwiri izi potsatira dzina la TV yomweyo.
Inde, opanga amadziŵa kusiyana pakati pa 4K ndi UHD, koma monga kusuntha amalonda amatsatira mawu a 4K pamene akufotokozera zomwe akupanga.
Ndi ma TV ati omwe amathandiza 4K UHD?
Ma TV abwino kwambiri, omwe amatha kukubatizani mu chithunzi chowonekera bwino, lero ndi awa:
- Philips 48PUS7600;
- Sony KD-55X8507C;
- Sony KD-49X8305C;
- Samsung UE40JU6000U;
- SUPRA STV-LC50T950UL.
Amachepetsa maonekedwe, ngakhale angapo, kukhala osangalala kwenikweni. Okonzanso amakhulupirira kuti posachedwapa TV ndi Ultra HD zidzakhala zotchuka kwambiri pamsika, ndipo kanema kanema kameneka kamakhala kofunika kwambiri.