Yam Koj Yuav Tsum Paub Txog 720p thiab 1080p
Txawm hais tias 4K tau txais tag nrho cov lus saum toj no hnub ua qhov siab tshaj plaws daws teeb meem rau TVs thiab video projectors, 720p thiab 1080p kuj txhais tau tias muaj kev txhais siab uas siv. Lwm yam xeeb ceem 1080p thiab 720p sib koom hauv ntau yog tias lawv yog cov qauv nthuav tawm (uas yog qhov chaw "p" los ntawm). Txawm li cas los, qhov no yog qhov sib thooj ntawm 720p thiab 1080p xaus.
Yuav ua li cas 720p thiab 1080p Txawv
- 720p yog 1,280 pixels tso tawm kom pom nyob rau hauv kev tshuaj ntsuam horizontally thiab 720 pixels cia vijtsam vertically. Qhov no yields 720 kab kab rov tav ntawm qhov screen, uas yog, tig, tso tawm progressively, los yog txhua kab tso tawm kom pom qab.
- 1080p nruab nrab yog 1,920 pixels tso tawm kom pom thoob lub vijtsam horizontally thiab 1,080 pixels hauv vijtsam vertically. Qhov no tshwm sim hauv 1.080 kab rov tav pixels ntawm qhov screen, uas yog, tig mus, tso tawm kom pom, lossis txhua kab ntawm pixels tso tawm kom pom qab. Hauv lwm lo lus, cia li nrog 720p, tag nrho cov pixel kab (kab) muab tso kom pom zoo.
Tag nrho cov pixels uas tsim cov duab 720p yog li 1 lab (sib npaug rau 1 megapixel hauv ib qho tseem lub koob yees duab), thaum tseem muaj 2 lab pixels hauv duab 1080p. Qhov no txhais tau hais tias muaj 1080p duab tuaj yeem nthuav tawm ntau yam tshaj li 720p duab.
Txawm li cas los xij, qhov no tag nrho cov txhais ua dab tsi koj pom ntawm lub vijtsam TV? Yuav tsum tsis yooj yim pom qhov sib txawv ntawm 720p thiab 1080p TV? Tsis tas.
720p thiab 1080p pixel ceev, npo me me thiab zaum ntawm qhov kev tshuaj ntsuam yuav tsum tau muab los ua tib zoo saib. Yog tias koj muaj 720p lossis 1080p TV / video projector pes tsawg tus pixels tso tawm rau ib tus tib yam txawm tias qhov luaj li cas ntawm qhov screen yog - cov kev hloov pixels ib ntiv zuj zus . Qhov no txhais tau hais tias thaum qhov kev tshuaj ntsuam loj dua, cov pixels tau loj - thiab qhov chaw zaum koj qhov chaw nyob yuav cuam tshuam li cas koj pom cov ntsiab lus tso tawm ntawm qhov screen.
720p, TV Tshaj Tawm, thiab Cable / Satellite
TV broadcasters thiab cable / satellite providers xa programming nyob rau hauv ntau lub tswv yim. ABC thiab FOX (uas suav nrog lawv txoj hauv kev sib txuas lus, xws li ESPN, ABC Family, thiab lwm yam ...) siv 720p, thaum lwm tus kws kho mob, xws li PBS, NBC, CBS, CW, TNT, thiab ntau qhov kev pabcuam, xws li HBO , siv 1080i. Tsis tas li ntawd, muaj qee qhov cable thiab satellite txau uas xa mus rau hauv 1080p, thiab DirecTV muaj qee qhov kev pab cuam 4K . Cov chaw muab kev pab cuam hauv internet xa tawm ntau hom kev daws teeb meem, nrog rau 720p, 1080p, thiab 4K.
Rau cable thiab satellite, lub 720p TV yuav teev 1080i thiab 1080p tswv yim teeb liab raws li nws tus kheej pixel daws teeb meem (720p TVs tsis tshaj 4K Pib ntsais koj teeb). Yog nkag rau cov ntsiab lus ntawm cov xov xwm tawm koj tuaj yeem tsim cov lus tso tawm kom haum koj lub TV daws teeb meem. Yog tias koj muaj ib lub ntse TV , nws yuav teev cov teeb liab streaming khoom kom haum cov teeb meem.
Blu-duab tshav thiab 720p
Contrary to dab tsi ntau xav tias koj siv tau cov Blu-duab Disc neeg uas ua ntawv nrog 720p TV . Txhua cov Blu-ray disc players yuav muab tso rau cov zis 480p / 720p / 1080i / los yog 1080p ntawm kev sib txuas ntawm HDMI .
Kuj, thaum muaj kev cob cog rua lub TV lossis video projector ntawm HDMI, feem ntau cov Blu-duab Disc players yeej ntes cov kev daws teeb meem ntawm lub TV / projector lawv txuas nrog thiab yuav teeb cov lus tso tawm. Blu-duab tshav Disc players tseem muab lub peev xwm los tsim cov kev daws teeb meem manually.
Lub Kab Hauv Qab - Koj Puas Yuav Muas Tv 720p TV?
Los teb cov lus nug no, nws yuav tsum raug sau tseg tias feem coob ntawm cov TVs tam sim no yog 4K, tiam sis tseem muaj ib tug xov tooj (txawm tias shrinking) 1080p TVs muaj. Txawm li cas los xij, tus nqi qis rau 4K Ultra HD TVs tsis yog tsuas yog muab tso siab rau cov nyob ntawm 1080p TV tab sis yog kev txo kom tsawg ntawm 720p TVs, thawb lawv mus rau hauv qhov kev tshuaj ntsuam me me - nws tsis tshua muaj pom 720p TV muaj nyob rau hauv kuaj qhov ntau thiab tsawg dua 32-nti.
Nws tseem yuav tsum tau sau tseg tias feem ntau cov TV uas tam sim no muaj npe raws li 720p TVs yeej muaj ib txwm pixel daws teeb meem ntawm 1366 x 76, uas yog technically 768p. Txawm li ntawd los, lawv tau tshaj tawm raws li 720p TVs. Tsis txhob cia qhov no cuam tshuam rau koj, cov qauv no yuav tag nrho txais 720p, 1080i , thiab 1080p teeb meem. Lub TV yuav ua haujlwm thiab teev cov kev daws teeb meem rau nws cov haiv neeg 1366x768 pixel teeb duab.
Ua li cas koj pom qhov sib txawv ntawm 720p, 1080p, los yog lwm yam kev daws teeb meem, yog nyob rau hauv qhov kev pom kev nrog koj lub TV. Koj yuav pom tau hais tias lub TV 720p hais tau zoo dua tshaj li 1080p TV raws li qhov kev daws teeb meem yog ib yam. Cov lus tsa suab, kev ua xim, sib piv, ci ntsa iab, thiab kev yees duab ua tiav los yog txo tau qhov ua rau tseem zoo nkauj.
Ntawm chav kawm, qhov zoo ntawm qhov teeb meem ntawm qhov chaw ua haujlwm kuj yog qhov loj. Lub TV video ua haujlwm tsuas muaj peev xwm compensate ntau heev rau qhov tsis zoo qhov chaw tshaj tawm, tshwj xeeb tshaj yog nrog VHS los yog analog cable, thiab, rau hauv internet streaming qhov chaw, qhov zoo nyob ntawm tsis yog ntawm qhov tab sis koj qhov internet streaming ceev .
Cia koj ob lub qhov muag ua koj phau ntawv.