Technical Overview ntawm HDMI 2.1b Specification
Rau cov neeg nyiam suab thiab yees duab, cov cuab yeej paub zoo tshaj plaws yog qhov tsis xav tau HDMI cables thiab interfaces. Txij li thaum tso tawm 1.0 version ntawm HDMI specification hauv 2002, nws tau dhau 20 xyoo. Tshaj li 20 xyoo dhau los, HDMI tau dhau los ua tus qauv siv dav tshaj plaws hauv cov khoom siv suab thiab video. Raws li cov ntaub ntawv raug cai, cov khoom xa tuaj ntawm HDMI cov khoom siv tau mus txog 11 billion units, uas yog sib npaug rau ze li ob lub HDMI li ib tus neeg thoob ntiaj teb. Qhov zoo tshaj plaws ntawm HDMI yog qhov sib xws ntawm nws cov qauv. Tshaj li 20 xyoo dhau los, lub cev loj ntawm tus qauv HDMI interface tseem tsis tau hloov pauv, thiab software raws tu qauv tau ua tiav rov qab sib raug zoo. Qhov no yog qhov tshwj xeeb tshaj yog yooj yim rau cov khoom siv hauv tsev loj nrog kev kho vajtse qeeb qeeb, tshwj xeeb tshaj yog TVs. Txawm hais tias lub TV hauv tsev yog ib qho qauv qub los ntawm ntau tshaj kaum xyoo dhau los, nws tuaj yeem txuas ncaj qha mus rau qhov tshiab tiam tom ntej game consoles yam tsis tas yuav tsum muaj cov adapters. Yog li ntawd, nyob rau hauv xyoo tas los no, HDMI tau hloov pauv cov yeeb yaj kiab yav dhau los, AV, suab, thiab lwm yam cuam tshuam hauv TV thiab tau dhau los ua qhov sib cuam tshuam hauv TV. Raws li kev txheeb cais, tag nrho cov khoom siv hauv TV hauv kev ua lag luam hauv xyoo 2024 siv HDMI thev naus laus zis, thiab HDMI kuj tau dhau los ua tus neeg nqa khoom zoo tshaj plaws rau cov ntsiab lus siab xws li 4K, 8K, thiab HDR. Tus qauv HDMI 2.1a tau hloov kho dua tshiab: nws yuav ntxiv lub peev xwm muab hluav taws xob rau cov cables thiab yuav tsum tau teeb tsa cov chips hauv cov khoom siv.
HDMI® Specification 2.1b yog qhov tseeb version ntawm HDMI® Specification, txhawb ntau qhov kev daws teeb meem video siab dua thiab cov nqi tshiab, suav nrog 8K60 thiab 4K120, nrog rau kev daws teeb meem txog 10K. Nws kuj tseem txhawb nqa HDR hom ntawv, nrog lub peev xwm bandwidth nce mus rau 48Gbps HDMI. Tus tshiab Ultra High Speed HDMI cables txhawb 48Gbps bandwidth. Cov kab hluav taws xob no ua kom muaj kev ua haujlwm ntawm ultra-high bandwidth ywj siab nta, suav nrog kev tsis txaus siab 8K video nrog HDR txhawb nqa. Lawv muaj ultra-low EMI (electromagnetic cuam tshuam), txo kev cuam tshuam nrog cov khoom siv wireless nyob ze. Cov cables rov qab tau tshaj thiab tuaj yeem siv nrog cov khoom siv HDMI uas twb muaj lawm.
Cov yam ntxwv ntawm HDMI 2.1b suav nrog:
Kev daws teeb meem video siab dua: Nws tuaj yeem txhawb nqa ntau qhov kev daws teeb meem siab dua thiab nrawm dua tshiab (xws li 8K60Hz thiab 4K120Hz), muab kev pom kev zoo nkauj thiab cov ntsiab lus nrawm nrawm. Nws txhawb kev daws teeb meem txog li 10K, ua tau raws li cov kev xav tau ntawm kev lag luam AV, kev lag luam, thiab kev siv tshaj lij.
Dynamic HDR ua kom ntseeg tau tias txhua qhov xwm txheej thiab txawm tias txhua lub thav duab ntawm cov yeeb yaj kiab qhia cov txiaj ntsig zoo tshaj plaws ntawm qhov tob, cov ntsiab lus, ci ntsa iab, qhov sib piv, thiab qhov dav xim gamut.
Source-based tone mapping (SBTM) yog qhov tshiab HDR feature. Dhau li ntawm HDR daim ntawv qhia ua tiav los ntawm cov khoom siv, nws kuj ua rau cov khoom siv los ua ib feem ntawm HDR mapping. SBTM yog qhov tshwj xeeb tshaj yog thaum sib txuas HDR thiab SDR cov yeeb yaj kiab lossis cov duab kos rau hauv ib daim duab, xws li daim duab-hauv-daim duab lossis cov lus qhia cov kev pab cuam nrog cov qhov rais video sib xyaw. SBTM kuj tso cai rau PC thiab gaming pab kiag li lawm yuav cia li tsim optimized HDR signals kom ua tau tshaj plaws ntawm HDR peev xwm ntawm cov zaub yam tsis tas yuav tsum tau rau phau ntawv configuration ntawm qhov chaw ntaus ntawv.
Ultra-high-speed HDMI cables tuaj yeem txhawb nqa HDMI 2.1b tsis ua haujlwm thiab 48G bandwidth nws txhawb nqa. Lub emission EMI los ntawm cov cables yog tsawg heev. Lawv kuj rov qab sib xws nrog cov qauv ua ntej ntawm HDMI tus qauv thiab tuaj yeem siv nrog cov khoom siv HDMI uas twb muaj lawm.
Lub HDMI 2.1b specification hloov 2.0b, thaum lub 2.1a specification txuas ntxiv mus rau thiab cia siab rau lub HDMI 1.4b specification. HDMI®
Kev txheeb xyuas txoj kev rau HDMI 2.1b cov khoom
HDMI 2.1b specification muaj xws li ib tug tshiab cable - Ultra High-Speed HDMI® Cable. Nws yog tib lub cable uas ua raws li cov lus qhia nruj, txhawm rau xyuas kom muaj kev txhawb nqa ntawm tag nrho HDMI 2.1b ua haujlwm, suav nrog kev tsis sib haum 8k @ 60 thiab 4K @ 120. Qhov kev txhim kho bandwidth muaj peev xwm ntawm cov cable no txhawb nqa txog 48Gbps. Tag nrho cov ntawv pov thawj cables ntawm txhua qhov ntev yuav tsum dhau qhov kev xeem ntawv pov thawj ntawm HDMI Lub Rooj Sab Laj Tso Cai Xeem Xeem (Lub Rooj Sab Laj ATC). Thaum muaj ntawv pov thawj, lub cable yuav tsum muaj Ultra High-Speed HDMI daim ntawv pov thawj daim ntawv lo rau ntawm txhua pob lossis chav muag khoom, kom cov neeg siv khoom tuaj yeem txheeb xyuas cov ntaub ntawv pov thawj ntawm cov khoom. Txhawm rau txheeb xyuas lub cable, xyuas kom meej tias qhov yuav tsum tau muaj Ultra High-Speed HDMI daim ntawv pov thawj raws li qhia saum toj no yog tso tawm ntawm lub ntim. Nco ntsoov tias lub npe cable lub npe logo luam tawm ntawm daim ntawv lo. Lub npe no tseem yuav tsum tau tshwm sim rau ntawm sab nraud ntawm lub cable. Txhawm rau txheeb xyuas seb lub cable puas tau raug kuaj thiab tau lees paub thiab ua raws li HDMI 2.1b specification, koj tuaj yeem luam theej duab QR code ntawm daim ntawv lo siv daim ntawv pov thawj HDMI cable muaj nyob hauv Apple App Store, Google Play Store, thiab lwm lub khw muag khoom hauv daim ntawv thov.
Tus qauv HDMI 2.1b version cov ntaub ntawv cable muaj 5 khub ntawm cov xov hlau sib tw hauv lub cable, nrog rau cov xim txheej txheej yog daj, txiv kab ntxwv, dawb, liab, thiab muaj 2 pawg sib txuas rau tag nrho 6 xov hlau, ua rau tag nrho 21 xov hlau. Tam sim no, qhov zoo ntawm HDMI cables txawv heev thiab muaj qhov sib txawv tseem ceeb. Txoj kev tsis sib haum xeeb nyob deb dhau qhov kev xav. Qee cov tuam txhab tsim khoom tuaj yeem tsim cov khoom tiav 3-meter nrog 30AWG xov hlau uas ua tau raws li EMI cov qauv thiab muaj bandwidth ntawm 18G, thaum qee cov tuam txhab rho tawm cov xov hlau muaj bandwidth tsuas yog 13.5G, lwm tus muaj bandwidth ntawm 10.2G nkaus xwb, thiab qee qhov txawm tias muaj bandwidth ntawm 5G nkaus xwb. Hmoov zoo, lub koom haum HDMI muaj cov ncauj lus ntxaws ntxaws, thiab los ntawm kev sib piv lawv, ib tus tuaj yeem txiav txim siab qhov zoo ntawm cov cable. Cov qauv cable tam sim no txhais tau tias: aluminium foil hlau nyob rau hauv 5P pob yog siv rau cov ntaub ntawv xa mus thiab ib pab pawg ntawm DDC teeb liab rau kev sib txuas lus raws tu qauv. Lub luag haujlwm ntawm 7 cov xov tooj tooj liab yog: ib qho rau lub hwj chim, ib qho rau CEC muaj nuj nqi, ob lub suab xa rov qab (ARC), ib pab pawg ntawm DDC cov teeb liab (ob tug tub ntxhais xov hlau nrog ua npuas ncauj thiab ib lub hauv av xaim nrog aluminium foil shielding) rau kev sib txuas lus raws tu qauv. Cov khoom siv sib txawv thiab kev ua haujlwm sib xyaw ua ke ua rau cov ntaub ntawv cable 'cov qauv thiab cov qauv tsim ua rau muaj qhov sib txawv ntawm cov nqi tseem ceeb thiab tus nqi loj. Ntawm chav kawm, qhov sib txuas cable kev ua tau zoo kuj txawv heev. Hauv qab no yog cov txheej txheem decomposition ntawm qee cov khoom tsim nyog cable.
HDMI tus qauv version
Cov hlau sab nraud yog woven. Ib khub yog ua los ntawm cov khoom siv Mylar thiab ib txheej aluminium foil.
Sab hauv yog nruj nreem qhwv los ntawm ib tug hlau shielding npog los ntawm sab saum toj mus rau hauv qab. Thaum cov hlau npog sab saum toj raug muab tshem tawm, muaj cov kab xev daj kub kub uas npog sab hauv. Los ntawm kev tshem tawm cov khoom sib txuas, nws tuaj yeem pom tias txhua lub xov hlau sab hauv txuas nrog cov ntaub ntawv cable, uas tseem hu ua "tus pins puv". Tshwj xeeb tshaj yog, sab saum toj ntawm tus ntiv tes kub interface muaj txheej txheej kub plating, thiab tus nqi sib txawv ntawm cov khoom tiag yog nyob rau hauv cov ntsiab lus no.
Niaj hnub no, muaj ntau yam HDMI 2.1b cable variants uas ua tau raws li qhov sib txawv siv scenarios ntawm kev ua lag luam, xws li Slim HDMI thiab OD 3.0mm HDMI cables, uas yog tsim nyog rau qhov chaw compact thiab zais thaiv;
Lub kaum sab xis HDMI (90-degree luj tshib) thiab 90 L / T HDMI Cable, uas yooj yim rau kev sib txuas cov khoom siv hauv qhov nqaim;
MINI HDMI Cable (C-type) thiab MICRO HDMI Cable (D-type), haum rau cov khoom siv nqa tau xws li lub koob yees duab thiab ntsiav tshuaj;
High-kev ua tau zoo cables xws li 8K HDMI, 48Gbps Caij nplooj ntoos hlav HDMI, thiab lwm yam., xyuas kom meej stability ntawm ultra-siab bandwidth kis tau tus mob;
Saj zawg zog HDMI thiab Caij nplooj ntoos hlav HDMI cov ntaub ntawv muaj kev tiv thaiv zoo rau kev khoov thiab kav ntev;
Lub Slim 8K HDMI, MINI thiab MICRO qauv nrog cov ntaub ntawv hlau zoo ntxiv txhim khu kev tiv thaiv thiab ua haujlwm ntev ntawm lub interface, tshwj xeeb tshaj yog tsim rau kev cuam tshuam ib puag ncig lossis kev siv kev lag luam.
Thaum cov neeg siv khoom yuav, ntxiv rau kev lees paub lub super-ceev HDMI daim ntawv pov thawj daim ntawv lo, lawv yuav tsum tau muab lawv tus kheej ntaus ntawv interface hom (xws li seb ib tug mini HDMI rau HDMI los yog micro HDMI rau HDMI yog xav tau) thiab kev siv scenarios (xws li lub kaum sab xis los yog slim tsim yog xav tau) xaiv qhov haum tshaj HDMI 2.1b cable los xyuas kom meej qhov zoo tshaj plaws kev kawm thiab compatibility.
Post lub sij hawm: Aug-20-2025
