1. Kev Tshaj Tawm Video
Los ntawm multimedia video tswj technology thiab VGA synchronization thev naus laus zis, ntau hom kev yees duab cov ntaub ntawv tuaj yeem nkag tau yooj yim rau hauv lub computer network, xws li tshaj tawm hauv xov tooj cua thiab satellite TV, lub koob yees duab video signals, VCD video signals, computer animation information, etc., yog li ua tiav cov haujlwm hauv qab no: Txhawb VGA zaub, nthuav tawm ntau yam ntaub ntawv computer, duab, thiab duab. Txhawb ntau txoj kev tawm tswv yim; txhawb ntau yam qauv xws li PAL thiab NTSC. Tiag - sij hawm tso saib cov duab yeeb yaj kiab xim, ua kom muaj kev tshaj tawm nyob. Rebroadcasts tshaj tawm TV, satellite TV, thiab cable TV signals. Tiag -lub sij hawm playback video signals los ntawm TV, koob yees duab, thiab DVDs (VCR, VCD, DVD, LD). Muaj kev ua haujlwm ntawm tib lub sijhawm ua si cov duab thiab cov ntawv nyeem nrog qhov sib txawv sib txawv.
2. Khoos phis tawj tshaj tawm
Cov duab thiab cov ntawv tshwj xeeb tso saib muaj nuj nqi: Muaj kev ua haujlwm ntawm kev kho, scaling, scrolling, thiab animates graphics thiab ntawv. Qhia ntau yam ntaub ntawv hauv computer, duab, duab, thiab 2D / 3D computer animations nrog cov ntawv superimposed. Lub kaw lus tshaj tawm yog nruab nrog multimedia software, uas tuaj yeem hloov kho cov tswv yim thiab tshaj tawm ntau yam ntaub ntawv. Muaj ntau hom ntawv Suav thiab cov qauv, thiab nws kuj txhawb cov lus Askiv, Mev, Fabkis, German, Greek, Lavxias, Nyiv, thiab lwm yam lus. Ntau hom kev tshaj tawm muaj, xws li ib leeg / ntau- kab panning, ib zaug / ntau- kab nce / nqis panning, sab laug / txoj cai dragging, nce / nqis, kev sib hloov, thiab stepless zooming. Cov ntawv ceeb toom, tshaj tawm, thiab xov xwm tuaj yeem hloov kho thiab ua si tam sim ntawd, nrog ntau yam kev xaiv font muaj.
3. Network Functionality: Nruab nrog tus qauv network interface, nws tuaj yeem txuas mus rau lwm cov qauv sib txuas (cov ntaub ntawv query systems, municipal publicity network systems, thiab lwm yam). Nws sau cov ntaub ntawv tiag - lub sijhawm los ntawm ntau lub databases rau kev tswj cov chaw taws teeb. Nws tuaj yeem nkag tau hauv Is Taws Nem los ntawm lub network system thiab muaj lub suab sib txuas rau kev sib txuas cov khoom siv suab kom ua tiav audio-visual synchronization.
4. Screen Controller: Lub vijtsam maub los tswj cov teeb pom kev zoo ntawm nws cov khoom siv sib xws. Nws tuaj yeem khiav qhov kev pabcuam txuas ntxiv mus txuas ntxiv, khaws cov ntaub ntawv tseem ceeb raws li lub sijhawm muab kev pabcuam, lossis nws tuaj yeem cuam tshuam manually los tsim cov teebmeem ntawm qhov screen. Pixels ntawm lub vijtsam thiab cov pixels sib thooj ntawm lub vijtsam tswj cov chaw tso saib yog qhia ncaj qha.
Tnws tshuaj ntsuam maub los tso cai rau kev hloov kho ntawm cov zaub brightness thiab xaiv greyscale tsis yog -linear kho cov ntaub ntawv haum rau ib puag ncig tam sim no. Nws kuj tuaj yeem hloov kho cov teeb pom kev zoo thiab xaiv qhov sib txawv greyscale tsis yog- cov ntaub ntawv kho cov kab ntawv raws li cov teeb pom kev nyob ib puag ncig ntawm lub network. Lub vijtsam maub los kuj tseem tuaj yeem kho cov duab sib piv, chroma, thiab lwm yam. Cov khoom tswj hwm xa cov ntaub ntawv yuav tsum tau muab tso rau hauv video ua thiab tswj chav rau kev ua yeeb yaj kiab.
5. Video Processing thiab Control Unit
Lub tshuab ua yeeb yaj kiab thiab kev tswj hwm ua haujlwm ua cov duab ntawm cov ntaub ntawv tso saib. Qhov kev ua no suav nrog: thib ob-theem greyscale tsis yog- kev kho kab, uas tuaj yeem hloov kho tau los yog manually; tsis siv neeg los yog phau ntawv stepless brightness hloov; ib tug greyscale tswj system uas tswj tau cov zaub los qhia 24-ntsis cov ntaub ntawv (8 khoom ib tug thawj xim), piv txwv li, 256 grayscale theem rau txhua thawj xim; cov duab suab nrov txo kev ua haujlwm kom ntseeg tau tias cov duab huv thiab du dua; duab li technology; duab ntug li technology; kev them nyiaj yug technology; thiab chroma kho muaj nuj nqi.
6. Kev Pom Kev
Hauv qhov system, qhov ci ntsa iab ntawm txhua qhov xim thawj hauv txhua lub module tuaj yeem hloov kho ib tus zuj zus, xim sib npaug tuaj yeem hloov kho, cov teebmeem mosaic raug tshem tawm ntau, tag nrho cov modules thiab cov duab modules muaj qhov ci ci zoo sib xws, thiab tsis muaj qhov sib txawv ntawm cov duab monochrome. Lub chaw ua yeeb yaj kiab thiab kev tswj hwm xa cov ntaub ntawv ua tiav rau hauv kev sib txuas lus kom ntev - kis mus rau qhov screen.
Kev sib txuas lus Module Cov kev sib txuas lus module ua kom qhov tseeb thiab qhov yuam kev -dawb ntev- kis tau tus mob ntawm lub vijtsam tswj cov ntsiab lus rau lub vijtsam. Kev sib txuas lus module encodes thiab txiav txim siab cov ntaub ntawv xa mus, ua haujlwm ntev - kis tau tus mob thiab txais cov ntaub ntawv ua tiav. Cov kev sib txuas lus module ces xa cov ntaub ntawv qhia mus rau cov ntaub ntawv faib thiab scanning unit.
