Yam Uas Koj Yuav Tsum Paub Txog Cov Lus Txhais Lus Txhais Phaj Siab Ua ntej koj yuav
High Definition (HD) camcorders yog ib lub ntuj tsim kom loj hlob ntawm HDTVs hauv peb cov chav nyob. Nqi rau HD camcorders tseem poob qis dua, thaum ntau thiab ntau cov koob yees duab camcorder yog cov lag luam uas muaj cov qauv ntawm cov qauv HD.
Hauv qab no yog ib daim ntawv qhia me ntsis rau HD camcorders, nrog qhov sib txawv nruab nrab ntawm cov thev naus laus zauv thiab cov koob yees duab zoo, cov duab yeeb yaj duab uas tau txais los ntawm camcorders, thiab ntau dua.
SD vs HD Camcorders
Ntau yam li TV, qhov txawv ntawm cov qauv txhais thiab kev txhais cov yees duab siab yog qhov kev daws teebmeem video.
Qhov video uas koj pom ntawm koj lub TV lossis lub computer screen yog ua los ntawm ntau pua kab sib txawv. Kev txhais cov yees duab muaj 480 kab lus ntawm kev daws teeb meem whereas high-def video tau muaj txog li ntawm 1,080. Cov kab ntau ntawm kev daws teeb meem koj muaj, lub ntse koj video yuav saib.
Muaj peb lub ntsiab HD video teeb meem muaj: 1080p, 1080i, thiab 720p. Feem ntau HD camcorders ntawm cov ntaub ntawv ua lag luam nyob rau hauv 720p los yog 1080i daws teeb meem.
1080i vs 1080p vs 720p Video
Lub ntsiab qhov txawv ntawm peb yog li cas lawv kaw video. Qhov "p" ntawm qhov kawg ntawm 1080p thiab 720p yog "kev kuaj ua kom tiav." Lub "i" tom qab 1080i sawv cev rau interlaced.
Interlaced yees duab: Tus qauv raug cai video yog interlaced yees duab, raws li yog 1080i. Hauv kev yees duab interlaced, koj lub koob yees duab yuav sau txhua kab ntawm kev daws teeb meem. Nws pib los ntawm kev qhia kab ib, peb, thiab tsib thiab tom qab ntawd ua raws li cov kab ob, plaub, thiab rau.
Hlav Scan Yees duab: Zauv Scan video sau txhua kab hauv video kom tsis muaj lub plhaw twg. Yog li ntawd, nws yuav pib ua ntej nrog kab ib qho thiab ua haujlwm nws txoj kev mus rau kab 1080. Cov kev thaij duab thev naus laus zis feem ntau zoo dua nws cov lus sib tham thaum nws tuaj yeem ua kom ceev nrooj (video).
Dab tsi yog Full HD thiab AVCHD?
Tag nrho HD yog ib lub sij hawm lag luam uas hais txog camcorders uas sau tseg rau hauv 1920 x 1080 daws teeb meem. Feem ntau, koj tuaj yeem tau txais kev yees duab video los ntawm cov koob yees duab hauv cov lus qhia no dua li koj xav nrog 720p qauv.
AVCHD (Advanced Video Codec High Definition) txhais tau hais tias yog high definition video hom siv los ntawm Sony, Panasonic thiab Canon, thiab lwm cov. Nws yog ib txoj hauv kev kom hlob thiab txuag tau high definition video mus rau digital cia cov xov xwm zoo li hard disk drives thiab flash memory card. Yog xav paub ntxiv txog AVCHD hom ntawv, thov saib phau ntawv qhia no hauv AVCHD hom ntawv.
Dab Tsi Uas Muaj HD Camcorders Muaj?
HD camcorders tuaj nyob rau hauv tag nrho cov duab, qhov ntau thiab tsawg, thiab cov ntsiab lus ntawm tag nrho cov lag luam loj camcorder. Koj tuaj yeem nrhiav tau tus nqi qis, "hnab tshos" rau $ 200 thiab tag nrho cov yeeb yaj kiab, advanced camcorders rau $ 1,500, thiab txhua yam hauv nruab nrab.
Nyob rau hauv qhov tseeb, ntau hnub no lub smartphones yog teev hauv 1080p. Qhov no tshem tawm qhov xav tau txawm tias muaj lub koob yees duab tshwj xeeb, tshwj xeeb tshaj yog tias koj tsis xav sau cov video rau lwm yam uas tsis yog qhov no lossis qhov kev tshwm sim, lossis kev lom zem.
Tam sim no muaj cov neeg siv high-definition camcorders muaj cov ntaub ntawv video rau MiniDV tapes, mini-DVDs, hard drives, flash nco thiab Blu-ray discs.
Downsides rau HD Camcorders
Thaum cov yees duab zoo tshaj yog twv yuav raug hu ib qho ntxiv, nws tseem tuaj yeem nthuav ob peb txoj kev sib tw. Qhov loj tshaj yog qhov chaw khaws nws.
Cov ntaub ntawv video HD ntau dua li cov txhais cov ntaub ntawv video. Qhov ntawd txhais tau hais tias koj lub xov tooj camcorder ( SDHC daim npav, HDD, suab xev, DVD, thiab lwm yam tawm tswv yim ) yuav ua kom tiav sai dua nrog lub koob yees duab HD.
Vim tias koj tabtom soj ntsuam cov ntaub ntawv loj video, HD video yuav ua rau koj xav tau ntau dua ntawm koj lub computer. Qee cov laus zog uas muaj hwj huam ua haujlwm tsawg dua yuav tsis tuaj yeem tso saib HD video. Lwm tus neeg yuav rov qab ua kom tiav, tab sis maj mam thiab nrog kev txaus siab heev.