Kev tso cai ntawm HDCP tiv thaiv cov yeeb yaj kiab, TV shows thiab suab
Puas yog koj nyuam qhuav muas ib Blu-Ray Disc player thiab xav tias vim li cas nws yuav tsis ua si? Koj puas siv HDMI , DVI lossis DP cables thiab tau txais kev yuam kev nyob thaum sim mus tso saib cov ntaub ntawv video? Hauv cov txheej txheem ntawm kev lag luam rau TV tshiab, koj puas tau xav tias cov HDCP txhais li cas?
Yog tias ib qho ntawm cov scenarios no piav qhia koj qhov teeb meem, koj yuav muaj ib qho teeb meem nrog HDCP.
HDCP yog dab tsi?
High-bandwidth Digital Content Protection (HDCP) yog ib txoj kev ruaj ntseg tsim los ntawm Intel Corporation uas yuav tsum siv cov HDCP-certified khoom kom tau txais ib qho teeb meem ntawm HDCP-encrypted.
Nws ua haujlwm los ntawm encrypting lub teeb liab uas muaj qhov tseem ceeb uas yuav tsum tau authentication ntawm ob qhov kis tawm thiab tau txais cov khoom. Yog tias authentication tsis, lub teeb liab tsis.
Lub hom phiaj ntawm HDCP
Cov Cov Kev Pab Tiv Thaiv Cov Tiv Thaiv LLC, lub koom haum Intel koom haum uas tau tso cai rau HDCP, piav txog nws lub hom phiaj rau cov ntawv pov thawj kom tiv thaiv cov yeeb yaj kiab, cov TV yeeb yaj duab thiab cov suab ntawm cov ntaub ntawv tsis tau tso cai los yog luam.
Cov feem ntau tam sim no HDCP version 2.3, uas tau tso tawm rau lub Ob Hlis 2018. Feem ntau cov khoom muag nyob rau hauv lub khw muaj HDCP yav dhau los, uas yog qhov zoo vim tias HDCP yog tshaj qhov sib tw.
Cov Ntsiab Lus Nrog HDCP
Sony Pictures Entertainment Inc., Walt Disney Company, thiab Warner Bros. tau siv cov cuab yeej technology hauv HDCP thaum ntxov.
Nws tsis yooj yim rau pinpoint cov ntsiab lus uas muaj kev tiv thaiv HDCP, tab sis nws yeej yuav yog encrypted nyob rau hauv ib daim ntawv ntawm Blu-duab tshav disc, DVD sis, cable los yog satellite kev pab cuam, los yog kev them nyiaj-ib-saib programming.
Lub DCP tau txais ntawv tso cai rau pua pua ntawm tuam ntxhab ua cov neeg txais kev pab ntawm HDCP.
Txuas nrog HDCP
HDCP yog qhov tseem ceeb thaum koj siv cov HDMI los yog DVI cable. Yog tias txhua qhov khoom siv cov cables no muaj HDCP, ces koj yuav tsum tsis pom dab tsi. HDCP yog tsim los tiv thaiv theft ntawm cov ntsiab lus, uas yog lwm txoj kev hais txog kev sau cia. Yog li ntawd, muaj cov kev txwv kom ntau npaum li cas koj tuaj yeem txuas tau.
Yuav ua li cas HDCP cuam tshuam rau Tus Neeg Siv khoom
Qhov teeb meem ntawm tes yog qhov kev tshaj tawm ntawm lub xov tooj digital los ntawm cov kab xev digital mus rau digital saib cov cuab yeej, xws li cov duab Blu-ray disc player xa 1080p duab rau 1080p HDTV ntawm HDMI cable.
Yog hais tias tag nrho cov khoom siv yog cov HDCP-ntawv pov thawj, tus neeg tau txais kev pab yuav tsis qhia dab tsi. Qhov teeb meem tshwm sim thaum ib qho ntawm cov khoom tsis yog HDCP-certified. Ib qho tseem ceeb ntawm HDCP yog tias nws tsis yog yuav tsum tau ua raws li kev cai lij choj kom tau tshaj txhua lub interface. Nws yog ib qho kev tso cai ntawm kev sib koom tes ntawm DCP thiab ntau lub tuam txhab.
Tseem, nws yog ib qho kev poob siab rau cov neeg tau txais kev pab uas txuas cov neeg siv Blu-Ray disc player rau HDTV nrog HDMI cable los saib tsis muaj teeb liab. Kev daws rau qhov teeb meem no yog siv cov cables uas tsis yog siv cov HDMI los hloov lub TV. Qhov no tsis yog qhov kev lees paub feem ntau cov neeg siv tau xav tias lawv pom zoo rau thaum lawv yuav ib qho HDTV uas tsis tau tso cai los ntawm HDCP.
HDCP khoom
Cov khoom uas muaj HDCP raug muab faib ua 3 qhov chaw, cov dab dej, thiab rov ua dua:
- Qhov chaw yog cov khoom uas lub teeb liab HDCP pib. Lawv yog A taw rau A-rau-B-rau-C kev txiav txim ntawm cov txheej xwm. Cov khoom hauv pawg no muaj xws li DVRs, cov thawv ntawv saum toj kawg nkaus, digital tuners, Blu-ray players, thiab DVD recorders.
- Dab tsi yog cov khoom uas tau txais lub teeb liab HDCP thiab tso nws qhov chaw. Lawv yog C point rau hauv A-rau-B-rau-C kev txiav txim ntawm cov txheej xwm. Cov khoom hauv pawg no muaj TVs thiab digital projectors.
- Repeaters yog cov khoom uas tau txais cov teeb liab HDCP los ntawm qhov chaw thiab xa mus rau hauv lub dab dej. Lawv yog cov point B hauv qhov A-rau-B-rau-C kev txiav txim ntawm cov txheej xwm. Cov khoom hauv pawg no muaj xws li rov ua dua, cais, hloov tsheb, AV receivers, thiab wireless transmitters.
Rau cov neeg xav paub txog leej twg xav ua kom paub tseeb tias ib yam khoom muaj HDCP, DCP tau tshaj tawm cov npe ntawm cov khoom tau pom zoo ntawm nws lub vev xaib.