International TeliMomunication Unfinary txhais tau 4k raws li cov ultra-high-txhais TV nrog rau cov zaub daws teeb meem ntawm 3840 × 21 zaug HD thiab 4 zaug puv HD. Qhov kev daws teeb meem siab no tso cai rau cov saib xyuas kom pom txhua qhov ze thiab nthuav dav ntawm lawv lub TV screen. Los ntawm kev siv lub cim tshiab ntawm HD thev naus laus zis, 4K TV tau txais kev qhuas tsis muaj kev pom zoo tom qab nws pib.
4K feem ntau hais txog kev daws teeb meem ntawm lub TV. Ntawm lub vijtsam TV, peb tuaj yeem pom cov ntsiab lus ntawm TV Screen vim tias TV screen yog tag nrho ntawm pixels. Tom qab teeb pom kev rau txhua pixel, tshuaj ntsuam yuav tsim teeb meem thiab qhia cov ntsiab lus ntawm nws. 4K TVS Feature Lub vijtsam daws teeb meem ntawm 3840 × 2160 pixels, uas yog plaub zaug uas yog 2k TVs. Hauv lwm lo lus, tsis zoo li cov ntawv nyeem ntawm yav dhau los, cov neeg saib tuaj yeem pom txhua yam thiab kaw cov duab nrog kev paub meej ntxiv, ua rau muaj kev paub ntau ntxiv.
4K TV thev naus laus zis yog cov thev naus laus zis hauv kev lag luam video. Raws li cov lus txhais ntawm kev sib tham thoob ntiaj teb, 4K video video yog ib qho screen-curra-curra-curra-curra-curra-cath daws teeb meem nrog kev daws teeb meem siab heev. 4K yog tus pixel parameter ntawm TV screen zaub. Nyob rau hauv cov nqe lus ntawm kev daws teeb meem, tus qauv 4K yog yim zaug lub siab txhais ntawm 720p, lossis plaub zaug tag nrho HD ntawm 1080p. Qhov kev daws teeb meem loj tshaj plaws rau 4K TV thev naus laus zis yog 3840 × 2160P. Hauv cov txheej txheem kev ua tiav no, lub zeem muag yuav muaj dav thiab lub vijtsam pom cov nyhuv yuav ua tau zoo dua. Lub tshuab muag pom ntawm 4K TV thev naus laus zis yuav yog qhov tseeb tshaj li ntawm kev daws teeb meem TV, thiab yuav tsis muaj teeb meem los ntawm kev kho kom zoo dua lossis kev ntsuas tsis txaus ntseeg lossis cov tshuaj ntsuam tsis txaus siab.