Cov yeeb yaj kiab yees duab yog ib txoj hauv uas Xim, B / W, thiab Luminance feem ntawm ib qho analog video teeb liab raug xa tawm ua ke los ntawm ib qhov chaw rau video ntaus ntawv (VCR, DVD recorder) los yog video tso tawm (TV, saib, video projector) . Cov suab paj nruag cov suab paj nruag yog analog thiab feem ntau muaj 480i (NTSC) / 576i (PAL) tus qauv txhais cov teeb meem video teeb meem. Cov duab yeeb yaj kiab, raws li siv rau hauv qhov chaw nruab nrab, tsis yog tsim los siv rau kev xa cov qib high-definition analog lossis digital video signals.
Lub CVBS (Xim, Yees Duab, Kev Tiv Thaiv, thiab Kev Nyab Xeeb los sis Xim, Yees duab, Baseband, Qhov Teeb Meem), lossis YUV (Y = Luminance, U, thiab V = Color)
Nws yuav tsum raug taw qhia tias cov yeeb yaj kiab yees duab tsis zoo ib yam li RF teeb liab raug xa mus los ntawm lub kav hlau txais xov lossis lub thev hlua rau lub TV RF kev siv siv Coaxial Cable - cov teeb meem tsis yog tib yam. RF yog hais txog Xov Tooj Nruab Nrab, uas yog cov khoom xa mus rau saum huab cua, los yog xa mus los ntawm lub cable lossis satellite lub thawv rau lub kav hlau txais xov kev txuas rau ntawm TV los ntawm ib lub xov los rau hauv los yog siv cov xov tooj sib txuas.
Lub Composite Video Physical Connector
Cov twj siv sib txuas siv rau kev xa cov video teeb duab tuaj rau hauv peb hom. Rau kev siv, hom loj ntawm kev txuas siv yog BNC. Nyob hauv cov teb chaws Europe (tus neeg siv khoom), hom tshaj plaws yog SCART , tiam sis feem ntau hom kev sib txuas ntawm lub ntiaj teb no yog dab tsi yog hu ua RCA video connector (muaj nyob hauv daim duab nrog rau daim ntawv no). RCA hom kev sib txuas ntawm kev sib txuas hauv video uas feem ntau siv tau muaj ib tus hluas tib lub hauv nruab nrab los ntawm ib lub nplhaib sab nraud. Lub connector feem ntau muaj lub vaj tsev daj uas nyob ib ncig ntawm qhov sib txuas rau kev sib tw, yooj yim, cim.
Yeeb yaj duab vs Suab
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias ib qho video connector tsuas yog yees duab. Thaum txuas qhov chaw uas muaj ob qho video thiab suab paj nruag, koj yuav tsum tau rho suab uas siv lwm qhov txuas. Feem ntau lub suab sib txuas siv ua ke nrog ib qhov video txuas sib txuas yog ib qho twj RCA hom analog tso suab, uas zoo nkaus li ib qho RCA-hom sib txuas video video connector, tab sis feem ntau yog xim liab thiab dawb nyob ze ntawm lub tswv yim.
Thaum mus yuav khoom rau kab RCA hom kab video sib txuas, koj yuav cia li ua ib zaug xwb, tiam sis muaj ntau zaus, nws yog ib qho kev sib txuas nrog lub xov tooj cua analog tso suab. Qhov no yog vim tias qhov kev sib txuas ntawm qhov sib txuas ntawm no tau siv ntau qhov sib txuas ua ke, xws li VCRs, DVD recorders, Camcorders, thiab ntxiv rau TVs lossis video projectors.
Qhov sib txuas video ntawm tus yeeb yaj kiab yog qhov qub tshaj plaws thiab feem ntau video txuas uas tseem siv tau. Nws tseem tuaj yeem pom muaj nyob rau ntau hom video thiab lwm yam khoom, xws li VCRs, camcorders, DVD players, Cable / satellite thawv, video projectors, TVs (xws li HDTVs thiab 4K Ultra HD TVs ).
Txawm li cas los xij, raws li 2013 sib txuas cov duab sib txuas tau raug tshem tawm ntawm Blu-duab disc players, thiab cov neeg tshaj xov xwm tshiab tshaj tawm hauv xov xwm thiab cov xov xwm streamers kuj tau tshem tawm qhov kev xaiv no. Txawm hais tias tseem muaj nyob rau ntau lub tsev ua yeeb yam hauv tsev, muaj qee cov chav nyob uas tau tshem tawm qhov kev xaiv no.
Kuj, feem ntau ntawm cov TV tau ua txij thaum xyoo 2013, Cov duab sib txuas ntawm Composite tau muab tso rau hauv kev sib koom ua ke nrog Component video sib txuas (uas txhais tau hais tias koj tuaj yeem tsis txuas cov yeeb yaj duab sib txuas thiab cov video video los ua ntau lub TV).
Lwm hom ntawm Analog Video Connections
S-Video: Same specifications ua yeeb yaj kiab yees duab nrog rau kev hloov mus rau analog yees duab txog kev daws teeb meem, tab sis cais cov xim thiab Luminance ntsiag to ntawm qhov chaw thiab recombines rau ntawm cov zaub los yog hauv cov ntaubntawv povthawj siv yees duab. Ntxiv rau S-Video
Cheebtsam Video: Separates Luminance (Y) thiab xim (Pb, Pr lossis Cb, Cr) hauv peb txoj kev (yuav tsum muaj peb cables) rau kev hloov ntawm qhov chaw mus rau ib qhov chaw twg. Cheebtsam Video cables tuaj yeem hloov tau ob qho qauv thiab siab-txhais (txog li 1080p) video teeb liab.
Rau kev xa duab ntawm S-Video thiab Component Video txuas, nrog rau SCART, analog suab audio, thiab RF coaxial txuas kev sib txuas, tshawb xyuas tawm peb Kev Tshawb Fawb Tsev Kev Ua Yeeb Yam .