Tam sim no, tib neeg feem ntau tau siv HDTV, thiab ntau tus lej tau nce mus rau 4K Ultra HD TV.
Muaj ntau qhov hype txog 4K Ultra HD TVs. Cov txheej txheem no xa cov duab daws teeb meem siab dua, tab sis muaj ntau yam ntxiv rau kev txiav txim siab uas txiav txim siab qhov koj tuaj yeem pom ntawm qhov screen.
Cov ntaub ntawv no siv rau TVs los ntawm ntau lub tuam txhab suav nrog, tab sis tsis txwv rau, cov tsim los ntawm LG, Samsung, Panasonic, Sony, thiab Vizio.
Peb yam tseem ceeb cuam tshuam rau lub peev xwm pom qhov sib txawv ntawm HD thiab Ultra HD: Screen Size , Seating Distance, thiabCov ntsiab lus.
Screen Size
Txawm hais tias ntau 4K Ultra HD TVs tuaj hauv 65-nti thiab qis dua qhov screen, nws yuav nyuaj rau ntau tus neeg siv khoom kom pom qhov txawv ntawm 1080p HD thiab 4K Ultra HD ntawm qhov ntau thiab tsawg. Txawm li cas los xij, hauv qhov screen loj dua 65 ntiv tes, qhov sib txawv pib pom. Qhov loj ntawm qhov screen loj dua, qhov ntau pom qhov sib txawv. Yog tias koj muaj chav thiab pob nyiaj siv, xav txog 4K Ultra HD TV nrog lub vijtsam loj 65-nti lossis loj dua.
Seating Distance
Nrog rau qhov loj me, qhov ze koj zaum rau TV kuj ua rau muaj qhov sib txawv. Piv txwv li, yog tias koj tau rho nyiaj tawm rau 55 lossis 65-nti 4K Ultra HD TV, koj tuaj yeem zaum ze rau ntawm qhov screen dua li qhov koj yuav muaj nrog HDTV yav dhau los ntawm tib lub vijtsam loj thiab tseem tau txais kev txaus siab saib, raws li cov pixels (cov dots uas ua rau lub vijtsam) me dua. Qhov no txhais tau hais tias qhov kev ncua deb ntawm 4K Ultra HD TV lub pixel qauv pom yuav tsum muaj qhov chaw zaum ze dua li qhov koj yuav pom nrog 720p lossis 1080p HDTV.
Cov ntsiab lus
Txawm tias koj muaj 4K Ultra HD TV, tej zaum koj yuav tsis tuaj yeem ua kom zoo dua ntawm nws qhov kev daws teeb meem siab dua. Tsuas yog vim koj muaj ib qho ntawm cov kev txiav-ntug no, tsis txhais hais tias txhua yam koj pom ntawm qhov screen yog 4K.
- Raws li xyoo 2021, muaj ntau tus lej 4K Ultra HD tshaj tawm TV. Xyuas kom tseeb tias koj lub cable, satellite, lossis cov chaw muab kev pabcuam streaming txhawb 4K.
- Ua kom koj cov khoom siv streaming lossis lub thawv cable yog 4K npaj.
- 4K ntawm satellite yog muaj los ntawm ob qho tib si Direct TV thiab tais Network.
- Lub 4K Ultra HD Blu-duab tshav Disc hom muaj, nrog rau cov players thiab cov yeeb yaj kiab muaj nyob hauv hom disc. Txawm li cas los xij, qhov ntawd yuav tsum tau yuav cov neeg ua si tshiab thiab cov discs, tab sis qhov upside yog tias cov players tshiab tseem tuaj yeem ua si koj cov qub DVDs thiab Blu-duab tshav Discs.
Netflix, Vudu, thiab Amazon txhua tus muab 4K streaming. Cov kev pabcuam no muaj nyob rau ntawm ntau cov xov xwm tshaj tawm los ntawm Roku, Amazon (Fire TV), Apple TV, Google Chromecast, nrog rau xaiv 4K Ultra HD Smart TVs uas suav nrog HEVC codec decoders. Ib qho internet broadband ceev ntawm 15 txog 25mbps yog xav tau rau kev xa khoom zoo
Sony tau faib ib kab ntawm 4K Blu-duab tshav Disc uas, txawm hais tias lawv tseem yog 1080p rau kev ua si ntawm tus qauv Blu-duab tshav Disc players, muaj qee qhov ntxiv cues kos rau hauv cov discs uas tso cai rau Sony 4K Ultra HD TVs. rho tawm cov ncauj lus kom ntxaws thiab xim kom pom tseeb ntawm lawv 4K Ultra HD TVs.
4K Kev nce qib
4K Ultra HD bodes zoo rau yav tom ntej raws li cov ntsiab lus thiab cov khoom siv sib xws txuas ntxiv mus. Txawm li cas los xij, qhov twg ua rau ntau tus tswv 4K Ultra HD TV yog tias lawv tsis tuaj yeem siv kom zoo dua 4K cov ntsiab lus uas muaj? Cov lus teb yog Upscaling.
- Txhua 4K Ultra HD TVs tam sim no muaj tuaj yeem nce tus qauv thiab cov ntsiab lus daws teeb meem HD kom phim li qhov ua tau rau 4K.
- Ntau Blu-duab tshav Disc players thiab Tsev Theatre receivers kuj suav nrog 4K upscaling. Ultra HD Blu-duab tshav Disc players kuj tseem tuaj yeem ua kom cov DVDs thiab Blu-duab tshav discs kom zoo dua cov peev txheej ntawm Ultra HD TVs.
- Txawm hais tias tsis yog qhov tseeb li 4K, nyob ntawm qhov zoo ntawm cov ntsiab lus, cov txiaj ntsig ntawm kev nce qib tuaj yeem pom zoo dua li qhov koj pom ntawm 1080p TV (nqa qhov screen loj thiab qhov chaw zaum nyob deb li tau sau tseg yav dhau los).
- Txawm li cas los xij, VHS, tus qauv daws teeb meem tshaj tawm, cable, lossis satellite, thiab tus qauv DVD yuav tsis zoo li ntawd ntawm lub vijtsam loj 4K Ultra HD TV, tab sis zoo tshaj tawm HD, cable, satellite, lossis Blu-duab tshav disc tuaj yeem saib zoo.
Txoj kab hauv qab
4K nyob ntawm no (Txawm li cas los xij, 8K tab tom taug kev!). Yog tias koj tsis tau mus yuav lub TV nyob rau ib ntus, koj yuav pom tias feem ntau ntawm TVs ntawm lub khw muag khoom yog 4K qauv. Feem ntau ntawm cov teeb tsa no tseem yog Smart TVs thiab ntau yam muab cov yam ntxwv siab heev, xws li HDR, uas siv qhov zoo ntawm qhov ci ci tshwj xeeb encoding ntawm Ultra HD Blu-duab tshav Discs thiab xaiv cov ntsiab lus streaming.
Yog tias koj txaus siab dhia mus rau 4K, tshawb xyuas peb cov npe hloov kho tshiab ntawm 4K Ultra HD TVs.
