Yuav ua li cas xaiv lub vev xaib? Nws cov haujlwm tseem ceeb yog dab tsi thiab nws tau npaj rau?
Yav dhau los, tib neeg tsis tuaj yeem xav tias ib leeg tuaj yeem muaj ntau txhiab mais ntawm ib leeg thiab tsis yog sib txuas lus, tab sis txawm pom lub ntsej muag ntawm tus neeg hlub thiab ntsia mus rau hauv nws lub qhov muag. Peb yuav tsum them se rau txoj kev txhim kho ntawm kev sib txuas lus thev naus laus zis uas pab txhawb peb kev sib txuas lus. Niaj hnub no lub vev xaib-koob yees duab yog twb paub txoj kev sib txuas lus. Nrog nws cov kev pab, kev sib txuas lus ntawm ntau lab ntawm cov neeg thoob ntiaj teb yuav siv qhov chaw. Cov cuab yeej me me coj cov tib neeg los ua ke.
Yuav ua li cas xaiv lub vev xaib? Nws cov haujlwm tseem ceeb yog dab tsi thiab nws tau npaj rau? Thawj lub vev xaib tau tsim rau kev sib tham hauv Is Taws Nem. Thaum lub sijhawm, lub hom phiaj no tseem nyob. Ntxiv rau lub vev xaib no-lub koob yees duab, koj tuaj yeem pom ntau lub hom phiaj. Nrog nws cov kev pab, koj tuaj yeem nqa cov duab, tua cov yeeb yaj kiab, ua kev soj ntsuam video. Nyuam qhuav tso tawm webcams muaj peev xwm saib lub hnub qub hnub qub.
Lub hom phiaj tseem ceeb ntawm lub Vev Xaib yog ua haujlwm nrog multimedia network applications. Hauv qhov no, qhov tseem ceeb tsis yog qhov zoo ntawm cov duab sib kis, tab sis kev sib kis ceev.
Yuav ua li cas xaiv lub vev xaib? Thawj qhov uas saib thaum tsis muaj kev sib raug zoo nrog koj lub khoos phis ua haujlwm. Muaj ntau cov qauv ntawm cov lag luam uas tsuas yog khiav ntawm Windows.
Cheebtsam muaj nyob hauv lub webcam:
1. CCD-matrix
2. Lub lens
3. Optical lim
4. Daim npav thaij duab thaij video
5. Cov video ntim tawm
6. Qhov chaw ua haujlwm nruab nrab
7. Ua haujlwm rub lub web server
8. Flash nco
9. Kev sib txuas network
10. Txog ntawm cov chaw nres nkoj
11. Tswb nkag / tawm suab
Kuj tseem muaj cov qauv nrog cov khoom siv ua teb. Lawv feem ntau yog siv rau kev soj ntsuam video.
Lub hauv paus ntawm lub koob yees duab web yog matrix. Qhov sib txawv ntawm qhov sib npaug dag hauv cov tshuab thev naus laus zis. Hnub no CMOS thiab CCD technologies tau nrov. CCD muab cov duab zoo dua, thiab tseem ua rau lub suab nrov zoo. CMOS matrix muaj cov duab qis dua thiab muaj lub suab nrov. Hauv tus nqi, tau kawg, kuj tseem muaj qhov sib txawv.
Lwm qhov tseem ceeb heev yog kev daws teeb meem. Qhov zoo tshaj ntawm cov duab sib kis nyob ntawm nws. Tus nqi ntau yog los ntawm 0.1 txog 2 megapixels. Kev daws teeb meem VGA uas nrov tshaj plaws yog 0.3MP. Ncej loj - 640x480. Txhawm rau tuav rooj sib tham hauv internet, kev daws teeb meem 320 x 240 pixels yog qhov txaus. Qhov 640 x 480 pixel daws teeb meem zoo rau kev tso tawm cov yeeb yaj kiab uas tuaj yeem xa tawm tom qab no. Cov qauv qib siab kawg muaj 1,280 x 960 pixel sensor, uas tso cai rau cov duab loj.
Xyuam xim kuj rau nkag siab qhov sib npaug. Ib qhov ntsuas uas txiav txim siab qhov taws tsawg kawg ntawm kev teeb tsa uas koj tuaj yeem thaij duab. Qhov kev txiav txim siab rhiab ua tiav hauv Lux. Nco ntsoov tias txhua lub koob yees duab ua suab nrov thaum tsis muaj lub teeb.
Cia peb hais ntxiv tias lub webcam tuaj yeem ua ntau qhov sib txawv. Nrog nws cov kev pab, koj tuaj yeem nqa cov duab zoo, tua cov yeeb yaj kiab, kho cov ntaub ntawv. Ib qho ntxiv, lub vev xaib muaj ntau lub chaw, xws li tswj kev tshuav dawb, xim, ci ci, xim gamut thiab lwm yam.
Kev thaij duab zoo yog qhov tseem ceeb tshaj plaws rau cov ntaubntawv povthawj siv video. Qhov zoo tshaj plaws nyob rau hauv cov nqe lus ntawm cov duab zoo yog cov koob yees duab los ntawm Logitech thiab Philips. Lub tsuas tsis zoo yog tias muaj qhov xav tau txuas mus tas li nrog lub khoos phis tawm, nrog rau qhov uas tsis muaj cov nrhiav video.
