Thaum nws los yuav lub TV tshiab, tsis muaj kev xaiv tsis txaus los xaiv. Nws tsis yog tsuas yog kev nplua nuj ntawm cov yam ntxwv, hom, thiab qhov ntau thiab tsawg, kuj tseem muaj cov ntsiab lus kev paub ntau ntxiv, xws li nam piv. Dab tsi yog qhov 16x9 lossis 4x3 nam piv, thiab vim li cas nws tseem ceeb?
Qhov Kev Ntsuas Qhov Ntsuas Qhov Ntsuas yog dab tsi?
Screen Aspect Ratio yog hais txog qhov dav kab rov tav ntawm lub TV lossis qhov projection screen nrog rau nws qhov siab ntsug.
Piv txwv li, feem ntau cov qub analog CRT TVs (qee qhov tseem siv tau) muaj qhov sib piv ntawm 4x3, uas ua rau lawv zoo li squarish ntau dua. Qhov kev siv 4x3 txhais tau li cas yog rau txhua 4 units hauv qhov dav, muaj 3 units ntawm qhov siab.
Txij li kev taw qhia ntawm HDTV (thiab tam sim no 4K Ultra HD TV), nam piv tau raug qauv nrog 16x9 nam piv. Qhov ntawd txhais tau tias rau txhua 16 units hauv kab rov tav screen dav, lub vijtsam muaj 9 units ntawm qhov siab qhov screen.
Hauv cov ntsiab lus cinematic, cov piv txwv no tau qhia hauv cov hauv qab no: 4x3 raug xa mus rau 1.33: 1 nam piv, thaum 16x9 yog qhia raws li 1.78: 1 nam piv.
Qhov Kev Ntsuas Qhov Ntsuas Zoo Li Cas Piv rau Diagonal Screen Loj?
TV qhov ntau thiab tsawg feem ntau ntsuas los ntawm lawv cov kab pheeb ces kaum ntev. Yog li ntawd, nws yog ib qho tseem ceeb uas yuav tau xav txog yuav ua li cas lub TV kab pheeb ces kaum ntsuas yuav txhais tau rau nws nam piv.
Ntawm no yog qee qhov kab pheeb ces kaum loj rau TVs, txhais ua lawv qhov dav thiab qhov siab:
Cov kev ntsuas no muab lub tswv yim dav dav ntawm qhov chaw TV yuav noj ntau npaum li cas, tab sis lawv tsis suav nrog tus ncej, bezel, thiab sawv.
| kab pheeb ces kaum (inch) | Dav (inches) | siab (inches) |
| 32 | 27.9 | 15.7 |
| 40 | 34.9 | 19.6 |
| 43 | 37.5 | 21.1 |
| 48 | 41.7 | 23.5 |
| 50 | 43.6 | 24.5 |
| 55 | 47.9 | 27.0 |
| 60 | 52.3 | 29.4 |
| 65 | 56.7 | 31.9 |
| 70 | 61.0 | 34.3 |
| 75 | 65.2 | 36.7 |
| 80 | 69.6 | 39.1 |
Ib qho piv txwv thiab TV / Cov ntsiab lus Movie
Nrog LED / LCD, OLED, thiab Plasma TVs, cov neeg siv khoom yuav tsum nkag siab txog 16x9 lub vijtsam piv.
TVs nrog 16x9 npo nam piv yog ntau haum rau qhov nce ntawm 16x9 widescreen programming muaj nyob rau ntawm Ultra HD Blu-duab tshav, Blu-duab tshav, DVD, thiab HDTV tshaj tawm. Txawm li cas los xij, tseem muaj qee cov neeg siv khoom siv ntau dua rau 4x3-zoo li lub vijtsam.
Hmoov tsis zoo, vim tias qhov ntau ntxiv ntawm kev ua haujlwm dav dav, cov tswv ntawm cov laus 4x3 TVs tau saib ntau cov TV programs thiab DVD movies nrog cov kab dub nyob rau sab saum toj thiab hauv qab ntawm lawv cov ntxaij vab tshaus (feem ntau hu ua letterboxing).
Cov neeg saib tsis tau paub qhov no xav tias lawv raug dag los ntawm tsis muaj tag nrho TV npo puv nrog duab. Qhov no tsis yog qhov teeb meem.
Txawm hais tias 16x9 tam sim no yog qhov feem ntau nam piv uas koj yuav ntsib rau kev saib TV hauv tsev, muaj ntau qhov sib piv uas tau siv rau hauv ob qho tib si saib hauv tsev ua yeeb yam, kev nthuav qhia ua yeeb yaj kiab, thiab cov duab hauv computer.
Feem ntau cov yeeb yaj kiab ua tom qab xyoo 1953 yog (thiab txuas ntxiv mus) ua yeeb yaj kiab hauv ntau hom dav dav, xws li Cinemascope, Panavision, Vista-Vision, Technirama, Cinerama, lossis lwm hom yeeb yaj kiab widescreen.
Yuav ua li cas Widescreen tsos tshwm rau 4x3 TVs
Kom haum rau cov yeeb yaj kiab dav dav ntawm 4x3 TV, cov ntsiab lus feem ntau rov kho dua hauv Pan-thiab-Scan hom, nrog rau kev sim kom suav nrog ntau npaum li cov duab qub li sai tau.
Yuav ua piv txwv li no, xav txog zaj duab xis uas ob lub cim sib tham tab sis los ntawm sab nraud ntawm daim duab widescreen. Yog tias pom puv npo ntawm 4x3 TV yam tsis muaj kev kho, txhua tus saib yuav pom yog qhov chaw khoob ntawm cov cim. Editors ua hauj lwm nyob ib ncig ntawm qhov teeb meem no los ntawm recutting scene, dhia txhaj tshuaj los ntawm ib tug cim mus rau lwm yam raws li txhua leej txhua tus hais. Hauv qhov xwm txheej no, lub hom phiaj kev kos duab ntawm tus thawj coj raug cuam tshuam. Tus neeg saib tsis tau txais kev txaus siab rau qhov xwm txheej raws li nws tau npaj tseg; lub ntsej muag, lub cev lus, thiab teeb tsa ntawm ob lub cim raug ntsuas rov qab lossis tshem tawm tag nrho.
Pan-and-Scan processing tuaj yeem txo qhov cuam tshuam ntawm kev ua yeeb yam. Nyob rau hauv thawj 1959 widescreen version ntawm Ben Hur, tag nrho chariot haiv neeg scene yog pom nyob rau hauv tag nrho cov ncav cuag. Hauv Pan-and-Scan version, qee zaum tshaj tawm hauv TV, txhua yam koj pom yog lub koob yees duab txiav mus rau ze-ups ntawm nees thiab reins. Tag nrho lwm cov ntsiab lus nyob rau hauv thawj thav duab yog ploj lawm tag nrho, nrog rau lub cev qhia ntawm cov neeg caij tsheb loj.
Qhov Kev Ua Si ntawm 16x9 Aspect Ratio TVs
Nrog rau qhov tshwm sim ntawm DVD, Blu-duab tshav, thiab kev hloov pauv los ntawm analog mus rau DTV thiab HDTV tshaj tawm, TVs nrog cov ntxaij vab tshaus zoo sib xws rau cov yeeb yaj kiab ua yeeb yam zoo dua rau kev saib TV.
Txawm hais tias qhov 16x9 nam piv yuav zoo tshaj rau kev saib cov ntsiab lus yeeb yaj kiab, yuav luag txhua lub network TV tau txais txiaj ntsig los ntawm kev hloov pauv. Kev ua kis las, xws li ncaws pob lossis ncaws pob, yog qhov zoo rau hom ntawv no. Tam sim no koj tuaj yeem pom tag nrho lossis feem ntau ntawm daim teb hauv ib qho kev txhaj tshuaj- thiab ntawm qhov chaw ze ze dua li qhov kev txhaj tshuaj dav dav uas peb tau siv los.
16x9 TV, DVD, thiab Blu-duab tshav
Feem ntau DVD lossis Blu-duab tshav Disc yog formatted rau kev pom dav dav. Ntawm lub ntim DVD koj tuaj yeem pom cov ntsiab lus Anamorphic lossis Enhanced Rau 16x9 TV ntawm lub ntim.
Qhov no txhais tau hais tias daim duab disc tau raug kab rov tav nyem rau hauv hom uas, thaum ua si ntawm 16x9 TV, raug kuaj pom thiab ncab rov qab tawm kab rov tav. Cov txheej txheem no tswj hwm tus thawj widescreen proportions kom cov duab tso tawm kom pom nyob rau hauv qhov tseeb nam piv yam tsis muaj cov duab distortion.
Yog tias daim duab dav dav tau pom ntawm tus qauv 4x3 TV, nws tau pom hauv lub thawv ntawv, uas muaj cov kab dub nyob rau sab saum toj thiab hauv qab ntawm daim duab.
Yuav Ua Li Cas Rau Txhua Tus Neeg Laus 4x3 Tsos thiab TV Programming
Thaum saib cov yeeb yaj kiab qub lossis TV hauv TV ntawm 16x9 nam piv TV, cov duab yog nyob nruab nrab ntawm lub vijtsam thiab cov kab dub tshwm rau ntawm ob sab ntawm lub vijtsam vim tias tsis muaj cov duab yuav rov ua dua.
Nyob rau hauv qhov xwm txheej no, koj tseem pom tag nrho cov duab ntawm lub vijtsam, tab sis tam sim no TV muaj qhov dav dav dua, thiab cov ntsiab lus qub tsis muaj cov ntaub ntawv los sau tag nrho lub vijtsam.
Vim muaj ntau qhov sib piv siv hauv kev tsim yeeb yaj kiab, txawm tias ntawm 16x9 cov neeg saib TV yuav ntsib cov kab dub, lub sijhawm no nyob rau sab saum toj thiab hauv qab ntawm daim duab.
FAQ
Qhov piv txwv twg yog qhov zoo tshaj rau kev thaij duab?
Qhov kev nyiam tshaj plaws rau kev yees duab yees duab yog 3: 2, uas yog tus qauv piv ntawm 35mm zaj duab xis. Txawm li cas los xij, rau cov duab digital, 4: 3 lossis 4: 5 yog tus qauv nyiam tshaj plaws rau feem ntau cov kev sib raug zoo xov xwm.
Kuv puas tuaj yeem hloov qhov piv txwv ntawm Windows 10?
No. Windows 10 tsis muaj txoj hauv kev los hloov koj tus saib qhov piv txwv, tab sis koj tuaj yeem kho qhov piv txwv rau cov kev pabcuam tshwj xeeb. Piv txwv li, Windows Media Player tso cai rau koj los kho qhov nam piv ntawm cov yeeb yaj kiab.
Kuv yuav hloov qhov piv txwv hauv Photoshop li cas?
Hauv Adobe Photoshop CC, xaiv qhov Crop Tool, teeb lub Crop Preset rau Ratio, tom qab ntawd sau cov txiaj ntsig koj xav tau hauv cov thawv. Thaum koj txaus siab, xaiv qhov checkmark nyob rau sab saum toj los hloov qhov piv txwv.
Kuv yuav hloov qhov piv txwv ntawm kuv Xbox Ib li cas?
Nias lub pob Xbox ntawm koj tus maub los, tom qab ntawd xaiv System > Settings > TV & zaubkev xaiv > lees paub qhov kev daws teeb meem ntawm lub vijtsam. Tom qab ntawd, nyob rau hauv Teeb, xaiv Calibrate TV . Ntawm no, koj tuaj yeem kho koj lub Xbox Ib kom haum rau koj lub vijtsam TV.
