Tom qab xyoo ntawm cov menyuam saib TV analog, qhov qhia txog HDTV tau qhib rau TV saib txog kev paub xim thiab nthuav dav. Txawm li cas los xij, yog ib qho kev cuam tshuam tsis zoo, tseem muaj ntau tus neeg tau txais kev pab cuam uas saib xyuas cov kev pabcuam TV hauv TV thiab VHS qub rau lawv cov HDTVs tshiab. Qhov no tau tsim ntau cov kev tsis txaus siab txog thaj tsam degraded zoo ntawm analog lub TV signals thiab analog video sources thaum saib rau ntawm HDTV.
HDTV: Nws Tsis Tuaj Tshaj Tawm Zoo
Lub tswv yim tseem ceeb kom ua rau dhia los ntawm analog rau HDTV yog mus saib tau cov kev ua tau zoo dua. Txawm li cas los xij, muaj ib qho HDTV tsis zoo txhua yam, tshwj xeeb tshaj yog thaum saib cov ntsiab lus uas tsis yog HD-analog.
Qhov tseeb, analog video sources, xws li VHS thiab analog cable, feem ntau, yuav zoo dua rau ntawm HDTV tshaj lawv ua rau tus qauv analog TV.
Yog vim li cas rau qhov teeb meem no yog tias HDTVs muaj lub peev xwm ntawm displaying ntau yam ntau dua li ib qho analog TV, uas koj yuav nquag xav yog ib qho zoo tshaj plaws - thiab, ntau tshaj qhov, nws yog. Txawm li cas los xij, tus HDTV tshiab no tsis tas ua txhua yam zoo dua li cov duab ua video ( uas ua rau ib qhov chaw hu ua kev qhia txog kev yees duab tshiab ) yuav pab tau qhov zoo thiab qhov tsis zoo ntawm cov duab qis dua.
Lub tsev ntxhua khaub ncaws thiab ruaj khov thawj lub teeb liab, qhov tshwm sim zoo dua uas koj yuav muaj. Txawm li cas los xij, yog hais tias daim duab muaj tom qab lub suab nrov nrov, teeb liab los cuam tshuam, xim nqaij los yog teeb meem ntawm ntug, (uas yuav tsis paub tseeb ntawm lub TV analog vim qhov tseeb tias nws muaj kev zam txim ntau dua vim qhov kev daws teeb meem) kev ua video hauv HDTV yuav sim los ntxuav nws. Txawm li cas los xij, qhov no yuav xa cov txiaj ntsig sib xyaw.
Lwm qhov zoo uas cuam tshuam rau qhov zoo ntawm analog TV zaub rau HDTVs kuj yog nyob ntawm txoj kev yees duab ua ub ua no ua haujlwm los ntawm ntau tus HDTV ua haujlwm. Qee cov HDTVs ua rau cov kev hloov ua analog thiab hloov siab dua thiab ua kom zoo dua li lwm tus. Thaum kuaj HDTVs los yog cov kev xyuas ntawm HDTVs, nco ntsoov cov lus hais txog kev yees duab zoo dua qub.
Ib qho tseem ceeb uas yuav tsum tau ua yog tias feem ntau cov neeg tau txais kev kho dua ua rau HDTV ( thiab tam sim no 4K Ultra HD TV ) kuj tseem kho kom loj dua cov npo. Qhov no txhais tau hais tias thaum qhov kev tshuaj ntsuam loj dua, cov duab video qis dua (xws li VHS) yuav zoo dua tuaj, muaj ntau txoj kev zoo li tshuab luam yeeb cov duab thiab cov qauv ua tsis tshua meej. Hauv lwm cov lus, zoo li cas zoo rau ntawm qhov qub qub 27-inch analog TV, tsis mus saib zoo li qhov zoo ntawm tus tshiab 55-nti LCD HD lossis 4K Ultra HD TV, thiab nws txawm tau ua haujlwm hauv cov vijtsam loj dua.
Tswv Yim Txhim Kho Kom Zoo Dua Koj Qhov Kev Xaiv HDTV
Muaj qee cov kauj ruam uas koj tuaj yeem ua rau koj mus ncaws pob yeeb yaj kiab uas pom zoo hauv koj lub HDTV, tiam sis thaum koj pom kev txhim kho - cov qub qub VHS ntiv nyug yuav siv sij hawm ntau hauv koj lub txee dai khaub ncaws.
- Xyuas kom koj muaj teeb liab zoo tshaj plaws - Yog tias koj nyob rau cable lossis satellite, hloov mus rau Digital Cable, HD Cable, los yog HD Satellite. Yog hais tias koj muaj high-performance HDTV, vim li cas khib koj cov nyiaj yog muab nws nrog ib qho teebmeem ntawm qhov teebmeem - koj them rau HD muaj peev xwm - koj yuav tsum tau sau cov khoom plig.
- Yog tias koj muaj lub thawv HD lossis cable hauv satellite, txuas mus rau HDTV siv HDMI lossis Component Video txuas (saib qhov twg yog hom kev twb kev txuas yog siv los ntawm cable lossis satellite box hloov qis dua HDTV thiab Digital signals), tsis yog tus qauv ntsia hlau-rau lossis thawb-rau RF kev sib txuas .
- Tso tseg thiab ua si VHS tapes thiab sau koj cov video video lossis TV program hauv DVD ( tab sis qhov no yog qhov nyuaj vim ntau ntau yam ), los yog DVR (dua li ib qho muaj peev xwm ntawm HD) los ntawm koj lub xov tooj cable los yog kev pab cuam satellite. Qhov tseeb, kuj muaj qee cov DVRs rau cov ntaubntawv teev huab cua HD-TV, xws li Channel Master DVR thiab The Nuvyyo Tablo .
Lub Kab Hauv Qab
Rau cov neeg uas tseem muaj lub TV analog, nco ntsoov tias tag nrho cov tshaj tawm hauv huab cua analog tshaj tawm hauv TV pib txij thaum lub Rau Hli 12, 2009 . Qhov no txhais tau hais tias lub TV qub tsis tuaj yeem tau txais cov kev pabcuam hauv TV tshaj yog tias koj tau txais lub thawv rau analog-rau-digital los yog, yog tias koj sau npe mus rau cable lossis satellite service, koj xauj ib lub thawv uas muaj qhov kev xaiv qhov sib txuas analog (xws li RF lossis Composite video ) uas yog tshaj koj lub TV. Cov kev pabcuam feem ntau muaj kev xaiv lub thawv mini-converter rau cov rooj plaub no - xa koj lub xov tooj cable los yog cov chaw xa satellite kom paub ntxiv.