Kev daws teeb meem txhais li cas?

Kev daws teeb meem txhais li cas?

Kev daws teeb meem yog ib qho kev ntsuas uas siv los piav txog qhov ntse thiab meej ntawm cov duab lossis duab. Nws feem ntau yog siv los ua ib qho kev ntsuas rau kev txiav txim siab zoo ntawm cov saib, tshuab luam ntawv, cov duab digital thiab ntau yam khoom siv thiab software thev naus laus zis.

Lub sij hawm yog nrov nyob rau hauv kev lag luam mobile los piav qhia txog lub peev xwm ntawm lub xov tooj ntawm tes, thiab tseem nyob hauv kev lom zem tshaj tawm kom paub qhov txawv ntawm qhov pom ntawm cov yeeb yaj kiab kom paub qhov txawv ntawm cov ntsiab lus siab thiab cov qauv txhais cov yeeb yaj kiab. Nws kuj yog siv los txiav txim qhov kev daws teeb meem ntawm lub vijtsam, saib, lossis TV.

Kev daws teeb meem kuj tseem hu ua kev daws teeb meem ntawm qhov screen.

4K daws teeb meem yog dab tsi?

4K daws teeb meem yog hais txog kab rov tav zaub daws teeb meem ntawm 4, 000 pixels. Qhov ntau dua pixel suav hauv 4K muab cov duab meej dua thiab ntxaws dua. Qhov no ua rau nws zoo rau TV, gaming, thiab kev tshaj lij video editing.

Kev daws teeb meem yog qub raws li lub TV-uas txhais tau hais tias nws yog thawj zaug pom nyob rau hauv 1927. Lub sij hawm tau coined los hais txog yuav ua li cas dluab tshwm nyob rau hauv lub screen thiab nyob rau hauv dab tsi zaus. Thawj TVs tsuas muaj 60 kab ntawm pixels. Txij thaum ntawd los, cov neeg siv xov xwm zoo li TVs thiab cov khoom siv txawb tau hloov zuj zus los txhawb kev sib txawvkev daws teeb meem video, suav nrog:

lStandard txhais (SD): 640x480 pixels lossis 480p

lSiab txhais (HD): 1280x720 pixels lossis 720p

lLub ntsiab lus siab (full HD): 1920x1080 lossis 1080p

lQuad HD (2K): 2,560x1,440 pixels lossis 1440p

lUltra siab txhais (Ultra HD) lossis 4K: 3840x2160 pixel

l8K daws teeb meem: 7680x4320 pixels