HDMI yog lub xov tooj hluav taws xob xaim digital hloov ua tshuab txuas ntxiv tom qab cov duab, video thiab audio. Niaj hnub no nws yog qhov kev xaiv sib kis feem ntau thiab siv nyob rau hauv yuav luag tag nrho cov thev naus laus zis thev naus laus zis, qhov twg cov ntaub ntawv xov xwm tawm yog tsim tawm - los ntawm cov smartphones mus rau tus kheej lub khoos phis.
Txog HDMI
Qhov chaw nres nkoj muaj 19 tus neeg sib tiv tauj hauv txhua qhov sib txawv. Lub txuas txuas ntxiv tau muab faib ua ob peb hom, raws li qhov koj yuav tsum tau yuav qhov yuav tsum tau cable lossis lub adapter rau nws. Cov hauv qab no muaj nyob rau:
- Feem ntau thiab "loj" yog hom A thiab B, uas tuaj yeem nrhiav tau hauv cov tsom kwm, khoos phis tawj, khoos phis tawm, game consoles, TVs. B-hom yog xav tau rau kev sib kis zoo dua;
- C-hom yog qhov sib txawv me me ntawm qhov chaw nres nkoj dhau los, uas feem ntau siv hauv netbooks, ntsiav tshuaj, PDAs;
- Hom D - yog qhov tsis tshua muaj heev, vim nws muaj qhov tsawg tshaj plaws ntawm txhua qhov chaw nres nkoj. Nws yog feem ntau siv rau hauv cov ntsiav tshuaj me me thiab smartphones;
- E-hom - qhov chaw nres nkoj nrog qhov cim no muaj kev tiv thaiv tshwj xeeb tiv thaiv plua plav, ya raws, qhov kub thiab txias, lub siab thiab cov tshuab kev ntxhov siab. Vim nws qhov tshwj xeeb, nws tau nruab rau hauv cov khoos phis tawj hauv tsheb thiab hauv cov cuab yeej tshwj xeeb.
Cov hom ntawm chaw nres nkoj tuaj yeem sib txawv ntawm qhov sib txawv los ntawm lawv cov tsos lossis los ntawm cov cim tshwj xeeb hauv daim ntawv ntawm ib hom ntawv Latin (tsis muaj nyob ntawm txhua qhov chaw nres nkoj).
Xov Xwm Cable Ntev
HDMI cables txog 10 meters ntev yog muag rau kev siv dav, tab sis kuj tuaj yeem pom txog 20 metres, uas yog txaus rau cov neeg siv nruab nrab. Ntau yam lag luam, cov chaw hauv cov ntaub ntawv, IT cov tuam txhab rau lawv cov kev xav tau tuaj yeem yuav cov kab hluav taws xob ntawm 20, 50, 80 thiab ntau dua 100 meters. Rau kev siv hauv tsev, tsis txhob coj cov xaim "nrog lub npoo", nws yuav yog qhov kev xaiv txaus rau 5 lossis 7.5 m.
Cov kab hluav taws xob rau kev siv hauv tsev yog feem ntau ua los ntawm cov tooj liab tshwj xeeb, uas ua lub teeb liab tsis muaj teeb meem ntawm kev ncua deb. Txawm li cas los xij, muaj kev vam khom rau qhov ua tau zoo ntawm cov hom tooj liab ntawm qhov uas txoj hlua txuas, thiab nws cov tuab.
Piv txwv, cov qauv ua los ntawm cov tooj liab tshwj xeeb, cim "Txheem", nrog cov tuab txog 24 AWG (qhov no yog thaj tsam ntu ntawm kwv yees li 0.204 hli)2) tuaj yeem xa cov teeb liab ntawm qhov deb tsis pub dhau 10 meters hauv kev daws teeb meem 720 × 1080 pixels nrog lub vijtsam ua kom zoo dua 75 MHz. Ib txoj kab ke zoo sib xws, tab sis ua rau siv qhov Kev Siv Nyiaj Txiag High (koj tuaj yeem nrhiav qhov Kev Ntsuas Siab) nrog cov tuab ntawm 28 AWG (thaj tsam ntu-0.08 hli)2) twb muaj peev xwm xa cov teeb liab hauv qhov zoo ntawm 1080 × 2160 pixels nrog zaus ntawm 340 MHz.
Ua tib zoo saib lub vijtsam ntsuas dej ntawm lub cable (nws yog taw qhia hauv cov ntawv pov thawj thev naus laus zis lossis sau ntawv ntawm ntim). Rau qhov yooj yim saib cov yeeb yaj kiab thiab kev ua si, kwv yees li 60-70 MHz yog qhov txaus rau tib neeg lub qhov muag. Yog li no, caum cov lej thiab qhov zoo ntawm lub teeb liab tso tawm yog qhov tsim nyog tsuas yog nyob rau qhov twg:
- Koj lub koos pis tawj thiab daim npav video txhawb txog kev daws teeb meem 4K thiab koj xav siv lawv lub peev xwm 100%;
- Yog tias koj tso rau kev tsim kho video thiab / lossis 3D tso.
Qhov nrawm thiab zoo ntawm lub teeb liab xa mus raws li qhov ntev, yog li nws yog qhov zoo tshaj los yuav ib lub cable nrog luv luv. Yog tias qee qhov laj thawj koj xav tau tus qauv ntev dua, tom qab ntawd nws yog qhov zoo dua rau kev saib xyuas cov kev xaiv nrog cov cim nram qab no:
- CAT - tso cai rau koj xa cov teeb liab ntawm qhov deb ntawm mus txog 90 meters yam tsis muaj kev cuam tshuam tsis zoo nyob hauv qhov tsis zoo thiab ntau zaus. Muaj qee tus qauv uas nws tau sau rau hauv cov lus qhia tshwj xeeb uas qhov teeb liab kis tau ntev tshaj li ntawm 90 meters. Yog tias koj tau ntsib tus qauv zoo nyob rau qee qhov twg, tom qab ntawd nws yog qhov zoo dua rau qhov tsis kam txais yuav, vim tias qhov teeb liab zoo yuav raug kev txom nyem me ntsis. Qhov cim no muaj cov qauv 5 thiab 6, uas tseem yuav muaj qee yam ntawm tsab ntawv cim, cov yam no tsis cuam tshuam rau tus yam ntxwv;
- Txoj kab xev, ua los ntawm coaxial thev naus laus zis, yog tus qauv tsim nrog tus neeg pib ntawm nruab nrab thiab ib tus neeg xyuas pib sab nraud, uas tau sib cais los ntawm txheej txheej insulating. Tus neeg xyuas khoom siv yog ua los ntawm cov tooj liab ntshiab. Qhov siab tshaj plaws kis ntev rau cov kab hlau no tuaj yeem ncav cuag 100 meters, tsis tas yuav poob qhov tsis zoo thiab thav duab tus yees duab;
- Fiber optic cable yog qhov kim tshaj plaws thiab kev xaiv zoo tshaj plaws rau cov neeg uas yuav tsum xa cov ntsiab lus video thiab audio tshaj qhov ntev ntev yam tsis muaj qhov tsis zoo. Nws tuaj yeem nyuaj rau nrhiav hauv khw muag khoom, vim nws tsis yog qhov xav tau loj vim qee qhov tshwj xeeb. Muaj peev xwm tshaj tawm cov teeb liab ntawm qhov deb tshaj 100 meters.
HDMI Nqe
Ua tsaug rau qhov kev sib koom tes ntawm 6 lub tuam txhab IT loj, HDMI 1.0 tau tso tawm xyoo 2002. Niaj hnub no, Asmeskas lub tuam txhab Silicon Image koom rau yuav luag txhua qhov kev txhim kho thiab txhawb nqa cov txuas no. Hauv xyoo 2013, cov qauv tshiab tshaj plaws tau tso tawm - 2.0, uas tsis sib xws nrog lwm cov version, yog li nws yog qhov zoo dua los yuav HDMI cable ntawm cov ntawv no tsuas yog tias koj paub tseeb tias lub chaw nres nkoj hauv lub computer / TV / saib xyuas / lwm yam khoom siv kuj muaj qhov version no.
Cov lus pom zoo yuav cov khoom siv yog 1.4, uas tau tawm hauv xyoo 2009, vim nws tau sib xws nrog cov version 1.3 thiab 1.3b, uas tau tawm hauv 2006 thiab 2007 thiab yog qhov muaj ntau tshaj plaws. Version 1.4 muaj qee qhov kev hloov kho - 1.4a, 1.4b, uas tseem tau sib xyaw nrog 1.4 yam tsis muaj kev hloov kho, 1.3, 1.3b hloov kho.
Cable Hom Version 1.4
Txij li qhov no yog qhov pom zoo rau kev yuav khoom, peb yuav txiav txim siab nws hauv ntau yam. Muaj tsib ntau yam nyob rau hauv tag nrho: Txuj, Siab Ceev, Qauv nrog Ethernet, Kev kub ceev nrog Ethernet thiab Txuj Ci Txuj Ci. Cia peb xav txog txhua ntawm lawv nyob rau hauv ntau dua.
Txheem - haum rau txuas cov cuab yeej tsis zoo rau kev siv tsev. Txhawb 720p daws teeb meem. Nws muaj cov cwj pwm hauv qab no:
- 5 Gb / s - qhov siab tshaj plaws bandwidth pib dua;
- 24 bits - qhov siab tshaj plaws xim qhov tob;
- 165 MP - qhov tso cai ntau kawg nkaus.
Txuj nrog Ethernet - muaj cov yam ntxwv zoo ib yam nrog tus qauv analogue, qhov sib txawv tsuas yog muaj kev txhawb nqa rau kev sib txuas hauv Is Taws Nem, muaj peev xwm xa cov ntaub ntawv ntawm qhov nrawm tsis tshaj 100 Mbit / s hauv ob qho kev qhia.
Kev kub ceev lossis kev kub ceev. Nws tau txhawb nqa rau cov tshuab kom sib sib zog nqus xim, 3D thiab ARC. Qhov kawg yuav tsum tau txiav txim siab nyob rau hauv ntau dua. Suab rov Channel - tso cai rau koj kis nrog rau video thiab lub suab tag nrho. Yav dhau los, txhawm rau ua kom tau zoo suab zoo, piv txwv li, hauv TV txuas nrog lub laptop, nws yog qhov tsim nyog los siv lub pob ntseg ntxiv. Qhov kev daws teeb meem siab tshaj plaws yog 4096 × 2160 (4K). Cov lus qhia hauv qab no yog muaj:
- 5 Gb / s - qhov siab tshaj plaws bandwidth pib dua;
- 24 bits - qhov siab tshaj plaws xim qhov tob;
- 165 MP - qhov tso cai ntau kawg nkaus.
Muaj yog lub siab nrawm nrog kev txhawb nqa Is Taws Nem. Kev xa ntaub ntawv ceev ceev hauv Internet kuj yog 100 Mbps.
Txuj Ci Txuj Ci - siv hauv tsheb thiab tsuas txuas tau rau E-hom HDMI. Cov lus qhia tshwj xeeb rau ntau yam no zoo ib yam li cov qauv txheem. Qhov tsuas yog zam tau yog qhov nce ntawm kev tiv thaiv kev tiv thaiv thiab kev sib xyaw nrog ARC-system, uas tsis nyob hauv cov hlau txheem.
Cov lus pom zoo dav dav rau xaiv
Kev ua haujlwm ntawm kab hluav taws xob yog cuam tshuam tsis tsuas yog nws cov yam ntxwv, cov khoom tsim tawm, tab sis kuj los ntawm kev tsim kho kom zoo, uas tsis tau sau rau txhua qhov thiab nyuaj rau kev txiav txim siab thaum xub thawj siab. Siv cov lus qhia no kom txuag tau me ntsis thiab xaiv qhov kev xaiv zoo tshaj plaws. Daim ntawv teev cov lus pom zoo:
- Muaj qhov cuam tshuam tsis zoo tias cov kab txuas nrog kub-plated tiv tauj ua lub teeb liab zoo dua. Qhov no tsis yog li; gilding tau thov kom tiv thaiv cov neeg ntawm kev ya raws thiab kev ntxhov siab hauv tshuab. Yog li, nws yog qhov zoo dua los xaiv cov conductors nrog nickel, chrome lossis titanium txheej, raws li lawv muab kev tiv thaiv zoo dua thiab muaj pheej yig dua (nrog rau kev zam ntawm cov titanium txheej). Yog tias koj yuav siv cov kab hlau hauv tsev, ces nws ua rau tsis paub mus yuav ib lub cable nrog tiv thaiv kev tiv tauj ntxiv;
- Cov neeg uas yuav tsum tau xa cov cim hluav taws xob tshaj li qhov deb ntawm ntau tshaj 10 metres tau qhia tias kom them sai sai rau qhov muaj ntawm qhov rov ua kom rov ua kom nrov dua lub teeb liab, lossis yuav lub suab nrov tshwj xeeb. Them sai sai rau thaj chaw cross-section (ntsuas hauv AWG) - qhov me dua nws cov nqi, qhov zoo dua cov teeb liab yuav kis tau ntawm qhov kev ncua deb;
- Sim yuav cov xaim hluav taws xob nrog kev tiv thaiv lossis tiv thaiv tshwj xeeb rau hauv daim ntawv ntawm cylindrical thickenings. Nws yog tsim los txhawb kev pom kev kis tau zoo (tiv thaiv kev cuam tshuam) txawm tias ntawm cov xaim nyias heev.
Txhawm rau xaiv qhov yog, koj yuav tsum coj mus rau hauv txhua tus yam ntxwv ntawm cable thiab nrog HDMI-chaw nres nkoj. Yog tias cov cable thiab chaw nres nkoj tsis sib haum, koj yuav tsum tau yuav ib qho tshwj xeeb txuas lossis hloov kiag li.
