Cov feem ntau niaj hnub siv xov tooj ntse ntse thiab cov koos pij tawj muaj lub koob yees duab zoo tsim, yog li muaj coob tus neeg siv lawv los ua yeeb yaj kiab. Txawm li cas los xij, tsis txhob hnov qab tias qhov kev ua haujlwm qub ntawm lub xov tooj yog kom hu, thiab cov haujlwm txuas ntxiv nrog yog lub hom phiaj kev lag luam kom nce tus lej muag. Yog tias koj xav tau kom tau cov duab vis dis aus zoo ntawm qhov tso zis, koj yuav tsum xav txog kev yuav cov khoom siv tshwj xeeb uas muaj cov haujlwm tsim nyog rau qhov no.
Cov thev naus laus zis tsis sawv twj ywm, kev sib tw hauv kev ua lag luam yog pheej loj zuj zus, uas ua rau txo qis tus nqi ntawm cov nqi yees duab zoo. Txhawm rau xaiv cov koob yees duab vis dis aus uas haum rau koj raws li nws lub zog, yam tsis tau them nyiaj ntau rau nws, koj yuav tsum ua tib zoo saib tus yam ntxwv tseem ceeb thaum mus yuav.
Saib cov video
Nws yuav tsum tau yug los hauv lub siab tias qhov zoo ntawm cov yeeb yaj kiab tsis yog tsuas yog nyob ntawm lub peev xwm ntawm lub koob yees duab, tab sis kuj yog nyob ntawm dab tsi cov ko taw tau saib. Cov qauv txheej txheem ncaj qha yog nyob ntawm cov naj npawb ntawm cov dot (pixels) uas ua cov thav duab ntawm lub thav duab, uas yog, pom ntau qhov, cov duab zoo yuav nyob rau thaum kawg.
Muaj peb hom kev ua yeeb yaj kiab video: Cov Lus Cim Txheem (SD), Cov Lus Qhia Siab (HD), thiab AVCHD.
Cov koob yees duab SD tsim nyog rau cov tswv ntawm CRT TVs qub nrog kab pheeb ces me me.
Cov koob yees duab HD kuj tsis tshua kim thiab muaj qhov tsim-ntawm MPEG-2 / MPEG-4 tus lej uas tso cai rau koj los zaws cov duab thiab yog li txo cov ntawv loj. Cov koob yees duab zoo li no haum rau HD Ready TVs.
AVCHD tau pom tias yog tus qauv zoo tshaj plaws rau cov vijtsam ua si. Xws li cov koob yees duab tso cai rau koj tua cov video hauv Puv-HD hom, tab sis lawv muaj qhov tsis zoo - qhov siab ntawm cov nqi.
Kho kom haum seem dawb
Kev kho dawb dawb yuav yog phau ntawv thiab tsis siv neeg. Nrog rau qhov tsis siv neeg, teeb meem feem ntau tshwm sim thaum lub sijhawm tua lub teeb pom kev zoo hloov lossis ib tus neeg kis ncaj qha pem hauv ntej lub lens. Txij ntawm no mus, lub koob yees duab cia li hloov qhov sib npaug, thiab vim qhov no, koj yuav tsum nres video txias thiab kho nws tus kheej. Nws yuav zoo dua yog tias lub koob yees duab muaj tsuas yog kev kho kom haum phau ntawv, lossis tsawg kawg muaj kev ua haujlwm ntawm tsis siv neeg cov kev hloov kho.
Daim ntawv loj
Kev hloov pauv ntawm daim duab mus rau hauv lub teeb liab hluav taws xob tshwm sim ua tsaug rau lub tsev loj, uas tau ntsia rau hauv lub koob yees duab yees duab. Tam sim no muaj cov lej loj hauv qab no: 1/3, 1/4 thiab 1/6. Tus lej siab dua, tus zoo dua. Cov koob yees duab kev tshaj lij muaj feem ntau nruab nrog ntau lub zog, tab sis rau cov koob yees duab pib xyaum ua, ib qho 1/3 loj sensor yuav txaus.
ZOOM
ZOOM yog qhov haujlwm uas ua lub luag haujlwm nce cov duab. Nws tuaj yeem yog digital lossis kho qhov muag. Digital zoom tau yooj yim dua, Photoshop ua haujlwm ntawm nws cov ntsiab cai, uas rub tawm cov duab thaum loj dua. Ib qho teeb meem tseem ceeb ntawm hom no yog qhov txo qis hauv lub duab ua haujlwm. Yog li, thaum xaiv cov koob yees duab yees duab, nco ntsoov nrhiav kom paub seb nws puas tau kho qhov muag tau ntxiv, vim qhov no yog qhov kev xaiv uas tso cai rau koj kom tau txais cov duab zoo tshaj plaws.
