Lub Webcam Zoo Tshaj Yog Dab Tsi

Cov txheej txheem:

Lub Webcam Zoo Tshaj Yog Dab Tsi
Lub Webcam Zoo Tshaj Yog Dab Tsi

Video: Lub Webcam Zoo Tshaj Yog Dab Tsi

Video: Lub Webcam Zoo Tshaj Yog Dab Tsi
Video: Koj yog tus zoo tshaj 2024, Hlis ntuj nqeg
Anonim

Xaiv lub webcam yuav zoo li yooj yim thaum xub thawj. Qhov tseeb, qhov no tsis yog. Thaum muas, koj yuav tsum them sai sai rau tus nqi, tua nrawm, duab zoo thiab lub lens.

Webcam
Webcam

Duab tau zoo

Qhov no feem ntau yog thawj qhov uas cov tib neeg nrhiav thaum yuav lub webcam. Tus qauv zoo yuav tsum muaj kev daws teeb meem ntawm thaj tsam ob megapixels. Qhov no yog qhov txaus rau feem ntau lub hom phiaj.

Tsis tas li, tshawb xyuas cov video zoo ua ntej kev yuav khoom. Lub webcam tsis tu ncua muaj kev daws teeb meem ntawm 320 los ntawm 240 pixels. Qhov kev daws teeb meem no yog tus qauv, tshwj xeeb yog tias koj ua haujlwm ntawm netbook nrog lub vijtsam me. Yog tias koj muaj lub laptop lossis desktop, ces koj xav tau cov duab zoo tshaj plaws. Ib qho kev daws teeb meem ntawm 640 los ntawm 480 pixels yog qhov zoo dua nyob rau hauv cov ntaub ntawv no.

Tua ceev

Tus naj npawb ntawm cov ntas ib pliag yog ze ze rau qhov zoo ntawm daim duab uas lub koob yees duab tuaj yeem ua tiav thiab xa tuaj rau koj lub khoos phis tawm. Pom tseeb, ntau cov thav ntawv ib thib ob lub koob yees duab tuaj yeem ntes, qhov zoo dua daim vis dis aus yuav zoo. Feem ntau lub webcams tuaj yeem tua 10 rau 30 thav ntawv ib ob. Thaum tua nrog lub webcam, ncej tus nqi hloov txhua lub sijhawm, tshwj xeeb tshaj yog tias koj pib txav koj tus kheej lossis txav nws. Qhov nruab nrab, tus lej no yog kwv yees li 15 ntas ib ob. Qee qhov webcams kim dua tuaj yeem tua txog li 120 ntas ib pliag. Koj yuav tsis xav tau hom kev nrawm tua ntawd. 30fps muaj txiaj ntsig ntau dua rau ntau tus neeg siv.

Lens thiab sensor

Pheej yig webcams siv cov lo ntsiab muag yas uas nruj me ntsis txuas rau lub cev. Hauv lwm lo lus, koj yuav tsis tuaj yeem hloov ua kom pom tseeb. Cov vev xaib kim dua muaj cov iav lo ntsiab muag. Los ntawm tig lub nplhaib nyob ib ncig ntawm lub lens ntawm xws li lub koob yees duab, koj tuaj yeem hloov lub focal ntev thiab txhim kho cov duab zoo. Tsom nthab qauv ua qauv yuav ua rau cov neeg feem coob. Tab sis yog tias koj tuaj yeem them taus nws, yuav lub khob iav webcam. Lub lens no zoo dua hloov cov duab mus rau lub ntsuas ntawm lub ntaus ntawv.

Lub sensor yog qhov pib tseem ceeb ntawm lub koob yees duab. Nws yog hluav taws xob tiv thaiv uas hloov lub teeb hloov mus rau hauv cov duab digital. Muaj ob yam ntawm lub ntsuas pa: CMOS thiab CCD. CMOS sensors yog siv hauv kev tsim cov khoom pheej yig webcams thiab muaj qhov zoo dua ntawm kev tua ntawm kev txav. CCD sensors feem ntau siv hauv cov koob yees duab digital thiab cov qauv webcam kim. Lawv muaj cov duab zoo kawg nkaus daws teeb meem thiab ua kom muaj xim zoo nkauj. Raws li koj tuaj yeem pom los ntawm cov yam ntxwv, ob hom sensors muaj lawv qhov zoo thiab qhov tsis zoo, uas tus yuav yuav tsum xav txog thaum xaiv tus qauv.

Nqi

Nyob ntawm koj cov peev nyiaj, koj tuaj yeem yuav lub webcam zoo heev rau ntawm $ 50 thiab $ 80 nrog cov kev qhia tshwj xeeb. Yog tias qhov no ntau dhau, ces xaiv cov qauv uas raug nqi ntawm $ 20 thiab $ 30. Koj yuav tsis tau txais kev daws teeb meem thiab cov yeeb yaj kiab zoo tib yam li cov qauv ua ntej, tab sis koj yuav tseg qee cov nyiaj.

Pom zoo: