Koj puas tau xaiv lub TV hauv lub khw muag khoom hluav taws xob? Tej zaum koj pom TV commercials ntau tshaj ib zaug. Koj puas tau pom tias thaum twg piav txog cov neeg saib xyuas, muag lossis cov neeg txhawb nqa feem ntau siv lub sijhawm "Kev daws teebmeem TV"? Peb yuav sim piav qhia txog lub ntsiab lus ntawm lub tswv yim no rau koj nrog cov lus muaj.
Dab tsi yog qhov daws teeb meem ntawm lub vijtsam TV?
Qhov no yog ib yam ntxwv ntawm cov duab zoo. Tuaj ib daim duab ntawm qhov screen. Los ntawm qhov kev ncua deb nws zoo nkaus li yog ib qho tseem yog tag nrho, tiam sis hauv qhov tseeb nws muaj tsheej plhom me me tawg nti-luminous ntsiab lus. Txij li cas ntawm cov ntsiab lus no yuav ci, nyob ntawm seb tag nrho cov duab yuav zoo li cas. Nws yuav crumble rau hauv tawg tsam, "granulate." Yog li, qhov daws teeb meem ntawm lub TV yog qhov ntom ntawm qhov chaw ntawm cov ntsiab lus xws li (pixels) nyob rau sab nrauv.
Dab tsi yog qhov zoo tshaj plaws kev daws teeb meem rau TV ntsuas?
Nws nyob ntawm seb koj xav tau cov duab hauv TV. Qhov ntau dua qhov ceev ntawm pixels (qhov daws teeb meem ntawm qhov screen), lub dlaim phaj, ntxaws ntxiv cov duab. Piv txwv li, yog tias koj xav tau ib lub chav hauv ib-ob chav pauv rau saib analog thiab cable TV, koj yuav txaus siab rau qhov kev tshuaj ntsuam nrog lub rooj sib tham ntawm 1366 x 768 pixels. Thiab cov vev xaib niaj hnub Cov kab xev xaim lossis ua si yog qhov tseem ceeb uas yuav tsum saib hauv TVs ntawm hom Full HD, qhov twg siab tshaj plaws ntawm lub TV screen yog 1920 x 1080 pixels.
Yuav ua li cas kuv thiaj li paub daws cov teeb meem hauv TV?
Yog tias koj xaiv lub TV nyob hauv ib lub tsev muag khoom hluav taws xob, tus kws pab tswv yim yuav ua rau koj pom zoo rau qhov no. Tom qab tag nrho, qhov no yog qhov yeeb yam tseem ceeb ntawm daim duab zoo. Thaum xaiv ib lub TV hauv khw muag khoom lossis kev tshem tawm, ua tib zoo saib xyuas cov yam ntxwv ntawm cov khoom. Thiab qhov kev tso cai los ntawm lub TV twb tau txais los ntawm kev nyeem cov lus qhia zoo zoo.