HDMI yog lub npe ntawm (High Definition Interface MulTImedia Interface), uas txhais tau hais tias muaj ntau tus txhais lus multimedia. HDMI yog ib qho video / audio interface tshuab. Nws yog ib nplooj siab dawb interface tsim rau duab kis tau tus mob. Nws tuaj yeem xa cov suab thiab video teeb tsa tib lub sijhawm. Cov ntaub ntawv tshaj tawm kis tau sai tshaj. Nws yog 48Gbps (version 2.1).
Tsis tas yuav tsum ua digital / analog los yog analog / digital hloov ua ntej lub teeb meem kis. HDMI tuaj yeem ua ke nrog Wide Band Cov Kev Tiv Thaiv Cov Haujlwm (HDCP) kom tiv thaiv tsis pub luam cov ntaub ntawv tsis pub luam cov ntaub ntawv pov thawj thiab cov yeeb yaj duab. Qhov chaw ntxiv rau HDMI tuaj yeem siv rau cov suab thiab cov yeeb yaj duab uas yuav muab kho dua yav tom ntej.
VGA: Cov ntaub ntawv uas ua los ntawm graphics card yog kawg tawm rau cov zaub. Cov zis interface ntawm daim card graphics yog tus choj ntawm lub computer thiab cov khoom, uas yog lub luag hauj lwm rau qhov muab cov duab teeb rau cov duab. CRT monitors tsuas txais cov lus teb analog teeb duab rau tsim thiab tsim vim li cas, uas yuav tsum muaj daim npav graphics rau cov khoom lag luam analog. VGA interface yog lub interface rau cov lag luam tawm ntawm daim card graphics, thiab VGA (Video Graphics Array) interface, hu ua D-Sub interface. Txawm hais tias lub LCD saib tau ncaj qha tau cov teeb meem digital, ntau cov khoom siv tsawg-tsawg siv lub VGA interface thiaj li yuav phim daim VGA interface daim ntawv. Lub VGA interface yog D-hom interface nrog ib tug tag nrho ntawm 15 pins rau sab saum toj, muab faib ua peb kab, tsib rau txhua leej.
Qhov sib txawv ntawm VGA Cable thiab HDMI Cable
1, VGA kis tau tus mob yog ib qho txawv ntawm analog video teeb liab, HDMI kis tau tus kab mob cov suab thiab video, HDMI yog ib qho yooj yim mus siv thiab kis tau cov kab mob yog zoo dua VGA
2, tus qauv VGA cable muaj 3 pawg + 9 cores tag nrho ntawm 15 cores, thiab tam sim no qhov tseeb version of HDMI 1.4 muaj 5 pawg + 4 cores tag nrho ntawm 19 cores