Kev Txheeb Xyuas Txog HDMI 2.1b Cov Lus Qhia Tshwj Xeeb

Kev Txheeb Xyuas Txog HDMI 2.1b Cov Lus Qhia Tshwj Xeeb

Rau cov neeg nyiam mloog thiab saib yeeb yaj kiab, cov khoom siv uas paub zoo tshaj plaws yog HDMI cables thiab interfaces. Txij li thaum tso tawm 1.0 version ntawm HDMI specification hauv xyoo 2002, nws tau ntau tshaj 20 xyoo. Tau ntau tshaj 20 xyoo dhau los, HDMI tau dhau los ua tus qauv interface siv dav tshaj plaws hauv cov khoom siv suab thiab video. Raws li cov ntaub ntawv raug cai, cov khoom xa tuaj ntawm HDMI tau mus txog 11 billion units, uas sib npaug rau yuav luag ob lub HDMI khoom siv ib tus neeg thoob ntiaj teb. Qhov zoo tshaj plaws ntawm HDMI yog qhov sib xws ntawm nws tus qauv. Tau ntau tshaj 20 xyoo dhau los, qhov loj me ntawm tus qauv HDMI interface tseem tsis tau hloov pauv, thiab software protocol tau ua tiav qhov sib xws rov qab. Qhov no yooj yim tshwj xeeb rau cov khoom siv hauv tsev loj nrog kev hloov kho kho vajtse qeeb dua, tshwj xeeb tshaj yog cov TV. Txawm tias lub TV hauv tsev yog tus qauv qub los ntawm ntau tshaj kaum xyoo dhau los, nws tuaj yeem txuas ncaj qha rau cov consoles game tiam tom ntej tshiab yam tsis tas yuav siv cov adapters. Yog li ntawd, nyob rau xyoo tas los no, HDMI tau hloov pauv sai sai cov yeeb yaj kiab yav dhau los, AV, suab, thiab lwm yam interfaces ntawm TVs thiab tau dhau los ua qhov interface feem ntau ntawm TVs. Raws li cov ntaub ntawv txheeb cais, txhua yam khoom siv TV hauv khw xyoo 2024 siv HDMI thev naus laus zis, thiab HDMI kuj tau dhau los ua tus neeg nqa khoom zoo tshaj plaws rau cov hom ntawv siab xws li 4K, 8K, thiab HDR. Tus qauv HDMI 2.1a tau hloov kho dua tshiab: nws yuav ntxiv cov peev xwm muab hluav taws xob rau cov cables thiab xav tau kev teeb tsa ntawm cov chips hauv cov khoom siv qhov chaw.

HDMI® Specification 2.1b yog qhov tseeb tshaj plaws ntawm HDMI® Specification, txhawb nqa ntau yam kev daws teeb meem video siab dua thiab cov nqi refresh, suav nrog 8K60 thiab 4K120, nrog rau kev daws teeb meem txog li 10K. Nws kuj txhawb nqa cov hom ntawv HDR dynamic, nrog rau bandwidth peev xwm nce mus txog 48Gbps HDMI. Cov xov hlau Ultra High Speed ​​​​HDMI tshiab txhawb nqa bandwidth 48Gbps. Cov xov hlau no ua kom muaj cov yam ntxwv ywj pheej ultra-high bandwidth, suav nrog cov yeeb yaj kiab 8K tsis muaj compressed nrog kev txhawb nqa HDR. Lawv muaj ultra-low EMI (electromagnetic cuam tshuam), txo cov kev cuam tshuam nrog cov khoom siv wireless nyob ze. Cov xov hlau yog backward compatibility thiab kuj tuaj yeem siv nrog cov khoom siv HDMI uas twb muaj lawm.

Cov yam ntxwv ntawm HDMI 2.1b muaj xws li:

Kev daws teeb meem video siab dua: Nws tuaj yeem txhawb nqa ntau yam kev daws teeb meem siab dua thiab cov nqi refresh sai dua (suav nrog 8K60Hz thiab 4K120Hz), muab kev paub txog kev saib thiab cov ntsiab lus du thiab nrawm. Nws txhawb nqa kev daws teeb meem txog li 10K, ua tau raws li qhov xav tau ntawm kev lag luam AV, kev lag luam, thiab kev siv tshaj lij.
Dynamic HDR ua kom txhua qhov xwm txheej thiab txawm tias txhua daim duab ntawm cov yeeb yaj kiab qhia txog qhov tob, cov ntsiab lus, qhov kaj, qhov sib piv, thiab cov xim dav dua.
Kev kos duab raws li lub suab (SBTM) yog ib qho tshiab ntawm HDR. Dhau li ntawm qhov kev kos duab HDR uas ua tiav los ntawm lub cuab yeej tso saib, nws kuj tseem ua rau lub cuab yeej tso saib ua ib feem ntawm kev kos duab HDR. SBTM muaj txiaj ntsig zoo thaum muab cov yeeb yaj kiab lossis cov duab kos HDR thiab SDR ua ke rau hauv ib daim duab, xws li cov duab hauv daim duab lossis cov lus qhia kev pab cuam nrog cov qhov rai video sib xyaw ua ke. SBTM kuj tso cai rau PC thiab cov khoom siv ua si kom tsim cov cim HDR zoo tshaj plaws kom siv tau qhov zoo tshaj plaws ntawm HDR cov peev xwm ntawm qhov tso saib yam tsis tas yuav tsum tau teeb tsa tes ntawm lub cuab yeej tso saib.

Cov cables HDMI ceev heev tuaj yeem txhawb nqa qhov tsis muaj kev sib txuas HDMI 2.1b thiab 48G bandwidth uas nws txhawb nqa. Lub EMI tawm los ntawm cov cables yog qis heev. Lawv kuj tseem sib xws nrog cov qauv HDMI ua ntej thiab tuaj yeem siv nrog cov khoom siv HDMI uas twb muaj lawm.
Cov lus qhia HDMI 2.1b hloov 2.0b, thaum cov lus qhia 2.1a txuas ntxiv xa mus rau thiab vam khom cov lus qhia HDMI 1.4b. HDMI®
Txoj kev txheeb xyuas cov khoom HDMI 2.1b
Cov lus qhia HDMI 2.1b muaj xws li ib txoj hlua tshiab - Ultra High-Speed ​​HDMI® Cable. Nws yog tib txoj hlua uas ua raws li cov lus qhia nruj, lub hom phiaj yog xyuas kom meej tias muaj kev txhawb nqa ntawm txhua yam haujlwm HDMI 2.1b, suav nrog uncompressed 8k@60 thiab 4K@120. Lub peev xwm bandwidth ntxiv ntawm txoj hlua no txhawb nqa txog li 48Gbps. Txhua txoj hlua uas tau ntawv pov thawj ntawm txhua qhov ntev yuav tsum dhau qhov kev xeem ntawv pov thawj ntawm HDMI Forum Authorized Testing Center (Forum ATC). Thaum tau ntawv pov thawj, txoj hlua yuav tsum muaj daim ntawv pov thawj Ultra High-Speed ​​HDMI lo rau ntawm txhua pob lossis chav muag khoom, kom cov neeg siv khoom tuaj yeem txheeb xyuas qhov xwm txheej ntawv pov thawj ntawm cov khoom. Txhawm rau txheeb xyuas txoj hlua, xyuas kom meej tias daim ntawv pov thawj Ultra High-Speed ​​HDMI raws li qhia saum toj no tau tshwm sim ntawm lub ntim khoom. Nco ntsoov tias lub logo lub npe cable raug luam tawm ntawm daim ntawv lo. Lub npe no kuj yuav tsum tshwm sim ntawm lub hnab sab nraud ntawm txoj hlua. Yuav kom paub tseeb tias lub cable puas tau raug kuaj thiab tau ntawv pov thawj thiab ua raws li HDMI 2.1b cov lus qhia, koj tuaj yeem luam theej daim QR code ntawm daim ntawv lo siv daim ntawv thov ntawv pov thawj HDMI cable uas muaj nyob hauv Apple App Store, Google Play Store, thiab lwm lub khw muag khoom siv Android.

Tus qauv HDMI 2.1b version data cable muaj 5 khub ntawm cov xov hlau sib ntswg hauv lub cable, nrog rau cov xim sab nraud yog daj, txiv kab ntxwv, dawb, liab, thiab muaj 2 pawg ntawm kev sib txuas rau tag nrho 6 xov hlau, ua rau tag nrho 21 xov hlau. Tam sim no, qhov zoo ntawm HDMI cables sib txawv heev thiab muaj qhov sib txawv tseem ceeb. Qhov tsis sib xws yog deb tshaj qhov xav. Qee cov chaw tsim khoom tuaj yeem tsim cov khoom tiav 3-meter nrog 30AWG xov hlau uas ua tau raws li cov qauv EMI thiab muaj bandwidth ntawm 18G, thaum qee cov chaw tsim khoom rho tawm cov xov hlau muaj bandwidth ntawm tsuas yog 13.5G, lwm tus muaj bandwidth ntawm tsuas yog 10.2G, thiab qee qhov txawm tias muaj bandwidth ntawm tsuas yog 5G. Hmoov zoo, HDMI Association muaj cov lus qhia ntxaws ntxaws, thiab los ntawm kev sib piv lawv, ib tus tuaj yeem txiav txim siab qhov zoo ntawm lub cable. Cov qauv cable tam sim no txhais: cov hlau txhuas ntawv ci hauv pob 5P yog siv rau kev xa cov ntaub ntawv thiab ib pawg ntawm DDC teeb liab rau cov txheej txheem sib txuas lus. Cov haujlwm ntawm 7 txoj xov tooj liab yog: ib qho rau kev muab hluav taws xob, ib qho rau CEC ua haujlwm, ob qho rau kev rov qab suab (ARC), ib pawg ntawm DDC cov cim (ob lub xov hlau tseem ceeb nrog ua npuas ncauj thiab ib txoj xov hlau hauv av nrog txhuas ntawv ci tiv thaiv) rau cov txheej txheem sib txuas lus. Cov kev xaiv khoom sib txawv thiab kev ua haujlwm ua ke ua rau cov qauv ntawm cov khoom siv cable thiab kev tsim qauv ua rau muaj qhov sib txawv ntawm tus nqi thiab tus nqi ntau. Tau kawg, kev ua haujlwm ntawm cable kuj sib txawv heev. Hauv qab no yog kev rhuav tshem cov qauv ntawm qee cov khoom cable tsim nyog.

HDMI tus qauv version

Cov xov tooj liab sab nraud tshaj plaws yog xov. Ib khub xov yog ua los ntawm Mylar khoom thiab ib txheej ntawv ci txhuas.

Sab hauv yog qhwv nruj nreem los ntawm lub hau hlau tiv thaiv los ntawm sab saud mus rau hauv qab. Thaum lub hau hlau saum toj raug tshem tawm, muaj daim kab xev nplaum kub daj uas npog sab hauv. Los ntawm kev tev tawm lub connector, nws tuaj yeem pom tias txhua lub xov hlau sab hauv yog txuas nrog los ntawm cov ntaub ntawv cable, uas tseem hu ua "puv pins". Tshwj xeeb, sab saum toj ntawm tus ntiv tes kub interface muaj ib txheej ntawm kub plating, thiab qhov sib txawv ntawm tus nqi ntawm cov khoom tiag tiag nyob rau hauv cov ntsiab lus no.

Niaj hnub no, muaj ntau yam HDMI 2.1b cable variants uas ua tau raws li cov xwm txheej siv sib txawv ntawm kev ua lag luam, xws li Slim HDMI thiab OD 3.0mm HDMI cables, uas zoo dua rau qhov chaw me me thiab cov xov hlau zais;
Lub kaum sab xis HDMI (90-degree lub luj tshib) thiab 90 L/T HDMI Cable, uas yooj yim rau kev txuas cov khoom siv hauv qhov chaw nqaim;
MINI HDMI Cable (C-hom) thiab MICRO HDMI Cable (D-hom), tsim rau cov khoom siv portable xws li cov koob yees duab thiab cov ntsiav tshuaj;
Cov xov hlau ua haujlwm siab xws li 8K HDMI, 48Gbps Spring HDMI, thiab lwm yam, ua kom muaj kev ruaj khov ntawm kev sib kis bandwidth siab heev;
Cov ntaub ntawv HDMI thiab Spring HDMI muaj kev tiv taus zoo rau kev khoov thiab kev ua haujlwm ntev;
Cov qauv Slim 8K HDMI, MINI thiab MICRO nrog cov plhaub hlau ua rau lub interface tiv thaiv thiab ua haujlwm tau ntev dua, tshwj xeeb tshaj yog rau cov chaw muaj kev cuam tshuam siab lossis cov ntawv thov hauv kev lag luam.
Thaum cov neeg siv khoom yuav khoom, ntxiv rau kev lees paub daim ntawv pov thawj HDMI ceev heev, lawv kuj yuav tsum muab lawv tus kheej hom interface (xws li seb puas xav tau mini HDMI rau HDMI lossis micro HDMI rau HDMI) thiab cov xwm txheej siv (xws li seb puas xav tau lub kaum sab xis lossis tsim nyias) los xaiv HDMI 2.1b cable tsim nyog tshaj plaws kom ntseeg tau tias muaj kev ua tau zoo tshaj plaws thiab kev sib raug zoo.