Kawm cov Ins thiab Tshaj tawm HD Kev Lom Zem hauv Koj Lub Computer Screen
Tamsim no, txhua tus neeg hnov txog kev txhais high-txhais TV (HDTV). Nws yog ib qho chaw muag khoom ntawm lub vaj huam sib luag hauv plasma thiab cov ntxaij lim dej uas peb maj mam pib pom hauv neeg lub chav nyob, thiab nws ua rau kis las, tsos thiab txawm tias Cov Huab Cua Channel pom zoo. Feem ntau cov neeg muaj tsawg kawg yog ib lub tswv yim tsis meej txog qhov kev txhais siab li cas, los yog "HD," muab rau TV: ib daim duab zoo nkauj, siv lead-meej thiab vibrant xim. Tab sis dab tsi yog nws txhais tau tias muaj HD saib xyuas nrog koj lub computer? Puas muaj cov taw tes rau nws? Nws puas ua kom xam tau zoo npaum li cas?
Hauv ntawv, nws nyob ntawm seb koj ua dab tsi nrog koj lub computer. Yuav kom txawm tias luv luv, yog, nws yog qhov zoo dua.
Kev txhais ntawm High Definition
"High definition" yog lub sijhawm ua dej, siv cov duab ntau ntawm ntau lub thawv. Lub ntsiab lus feem ntau tsuas yog tias nws yog ib yam zoo tshaj plaws duab zoo thiab meej mom.
Nyob rau hauv cov nqe lus ntawm lub PC saib, kev txhais lus siab yog ib qho kev sib txawv rau kev daws teeb meem. Kev daws teebmeem, tig mus, txhais tau tias ntau tshaj pixels ntawm koj lub vijtsam - thiab ntau pixels ib nti, qhov zoo dua cov lus. Lub tshuab txhais high-txhais PC saib, tom qab ntawd, yuav xa ib daim duab zoo kawg nkaus kom pom meej tshaj nrog qis-txhais, qis dua qhov xaus.
Tus Qauv Ua Yeeb Yam Txheej Txheem
Raws li high definition-PC monitors muaj proliferated nyob rau hauv lub lag luam, cov qauv muaj evolved mus tso ntau pob txhais HD ntawm yav dhau los.
Cov nram qab no yog cov ntsiab lus txhais rau HD video, uas tuaj yeem pom tshwm sim ntawm cov kev soj ntsuam ntawm cov haiv neeg sib txawv me ntsis - qee tus qauv rau computer cov ntxaij vab tshaus, lwm yam rau TV ntxaij - tab sis lawv yog, mus rau ib theem siab, sib cuam tshuam vim lawv ua hauj lwm los ua kom pom cov tswv yim ntawm video:
- 1280x720 (aka, 720p)
- 1920 x 1080 (aka, 1080i)
- 1920 x 1080 hnyav (aka, 1080p)
Zej Zog thiab Interlaced Scanning
Cov "i" thiab "p" txhais tau tias interlaced thiab hnyav thaij, feem. Interlaced scanning yog cov qub technology ntawm ob. Lub PC saib uas siv kev sib txuas ntawm interlaced scaling ib nrab ntawm kab tav toj pixel kab hauv ib lub voj voog thiab siv lwm lub voj voog mus rau lwm qhov ib nrab, thaum lub sij hawm alternating. Lub upshot yog tias ob lub scans yog tsim nyog los tso saib txhua kab, uas ua rau qeeb qeeb, pom qhov muag nrog flickering. Kev xaav ua kom tiav , ntawm qhov tod tes, kev soj ntsuam ib qho tiav ntawm ib lub sij hawm, nyob rau hauv ib theem zuj zus ntawm sab saum toj mus rau hauv qab. Qhov tshwm sim ua yog smoother thiab ntau yam ntxiv - tshwj xeeb tshaj yog rau cov ntawv nyeem, ib qho caij rau cov ntxaij uas siv nrog PCs.
HD: Qib tom ntej hauv PC Monitors
Rau koj lub PC, kev txhais siab ua rau qhov sib txawv thaum nws ua si video games, saib cov tsos thiab menyuam HD video hauv internet, thiab. HD txhais tau hais tias koj yuav tau saib hauv "widescreen" - raws li nws tau npaj ua ntej pom, uncropped, nyob rau hauv theatre. Txij li thaum HDTV ntes tau, video ua si studios thiab cov tuam txhab hauv online lom ze tau tsom ntau dua ntawm HD programming rau ib qho screen-high-resolution.
Cov kab hauv qab: Yog tias koj tsis muaj lub ntsiab lus saib xyuas PC, koj tuaj yeem ploj mus rau ib qho loj ntawm daim duab.