Kev kub ceev thiab daim qauv tiv thaiv digital
Yuav tsum muaj HDTV uas yog HDCP raws txoj cai los yog lwm tus neeg yuav npaj tuav tes nrog lub dab thaum twg koj siv cov kab mob HDMI los yog DVI.
Yog vim li cas kuv thiaj li xa mus rau HDCP li dab ntxwg nyoog yog vim HDCP tseem muaj peev xwm yog ib qho ntawm qhov phem tshaj TV yees vim nws sawv ntawm lub thaj ntawm kev tswj txoj kev peb saib cov programming. Thaum lub hom phiaj ntawm HDCP yog qhov tseem ceeb - los tiv thaiv cov ntaub ntawv pov thawj - qhov kev cuam tshuam nws ua rau cov neeg saib xyuas raws li txoj cai nyob hauv TV tseem ceeb heev rau qhov tsis lees paub.
HDCP yog dab tsi?
HDCP yog High-Bandwidth Digital Cov Kev Tiv Thaiv thiab tsim los ntawm Intel Corporation. Nws tsis muaj dab tsi ntau tshaj li qhov kev ruaj ntseg feature yuav tsum tau sib haum ntawm tus sender thiab receiver, xws li lub thawv kaw teeb HD thiab TV. Ntawm compatibility, kuv txhais HDCP tshuab ua rau ob qho tib si.
Xav tias ntawm HDCP yog qhov tseem ceeb tshaj plaws uas koj xav tau thaum nruab ib lub computer program. Tsuas yog qhov no qhov ruaj ntseg yuam yog pom koj thiab kuv, tiam sis tsis yog koj lub TV.
Nws ua haujlwm los ntawm encrypting lub teeb liab uas muaj qhov tseem ceeb uas yuav tsum tau authentication los ntawm kev xa thiab tau txais cov khoom. Yog tias authentication tsis ces lub teeb liab tsis, uas txhais tau tias tsis muaj duab hauv TV screen.
Tej zaum koj yuav xav tias, "Leej twg xav kom lub TV teeb liab los ua tsis tau? Puas yog lub taw tes ntawm TV kom tsis txhob saib nws?"
Koj yuav xav li ntawd, tab sis HDCP yog hais txog nyiaj. Qhov teeb meem yog tias digital tshuab ua piracy ntawm cov ntawv yooj yim. Nco ntsoov Napster? Puas tau hnov txog cov yeeb yaj kiab video uas muag cov yeeb yaj kiab tawm ntawm lawv cov tsho tiv thaiv trench? Qhov no yog qhov point ntawm HDCP - tsis muaj kev luam yeeb tshuaj.
Qhov no yog hais txog kev ntaus nqi. Nws yog hais txog kev muag cov ntsiab lus es tsis muab rau nws. Nws tsis pub leejtwg paub tias qhov kev lagluam thaij duab yog khawm HDCP hauv Blu-ray discs thaum lub TV kev lag luam tseem tsis tau los koom tes rau lub sijhawm no. Pom zoo, lub TV kev lag luam muaj nws tus kheej sib koom nrog cov teeb meem nrog kev siv digital TV.
HDCP nyob qhov twg?
Nws tseem ceeb heev uas koj to taub tias HDCP yog cov cuab yeej siv digital. Yog li ntawd, nws tsuas ua haujlwm tam sim no nrog DVI thiab HDMI cables. Li no cov DVI / HDCP thiab HDMI / HDCP acronyms.
DVI yog dab tsi?
DVI raug tsim los ntawm Digital Display Working Group, thiab sawv cev rau Digital Visual Interface. Nws yog ib qho laus hauv cov interface uas muaj tag nrho tab sis tau hloov los ntawm HDMI hauv televisions ces kuv yuav tsis siv ntau lub sijhawm rau DVI / HDCP. Tsuas paub hais tias yog koj muaj HDTV nrog DVI cov tswv yim ces HDCP yuav yog qhov teeb meem ntawm qee qhov taw tes rau koj yog tias nws tsis tau.
HDMI yog dab tsi?
HDMI stands rau High-Definition Multimedia Interface. Nws yog lub digital interface uas koj yuav siv nrog koj cov HDTV kom tau qhov zoo tshaj plaws, tsis yoojyim cov duab tau. HDMI muaj kev txhawb zog los ntawm kev lagluam duab. Nws tau tsim los ntawm cov kev lag luam hauv tshuab hluav taws xob - Hitachi, Matsushita, Philips, Silicon Image, Sony, Thomson, thiab Toshiba.
Muaj ob qho tseem ceeb ntawm HDMI dhau DVI:
- HDMI xa lub suab thiab video teeb liab hauv ib kab ntawv. DVI tsuas hloov cov yees duab xwb ces yuav tsum muaj cov kab xev xaim ntxiv.
- HDMI yog ib qho sai dua DVI, uas txhais tau ntau dua cov ntaub ntawv xa mus rau koj lub TV.
About.com Guide to Home Theater, Robert Silva, muaj ib tsab xov xwm zoo piav qhia qhov sib txawv ntawm txhua qhov HDMI version .
HDCP Muas Tswvyim
Yuav muaj HDTV uas muaj peev xwm ua tau HDCP. Feem ntau yuav muaj qhov no tsawg kawg yog ib qho kev tawm tswv yim hauv HDMI tab sis yuav tsum xyuas qhov tseeb ua ntej koj yuav TV.
Daim ntawv ceeb toom tias kuv tau sau, "hauv ib qho chaw nres nkoj tsawg kawg." Tsis yog txhua lub chaw nres nkoj HDMI hauv TV yuav yog HDCP raws li nco ntsoov nyeem koj tus neeg siv TV los tau yog tias koj npaj rau kev txuas ib qho HDMI cable rau koj lub TV.
Yog tsis muaj cov software upgrade ntxiv uas yuav xa cov lus qhia uas tsis yog-HDCP rau hauv cov tswv yim HDCP. Yog tias koj yuav ib lub HDTV li ob peb xyoos dhau los ces muaj lub caij nyoog zoo uas koj yuav tau txais ib qho kev yuam kev HDCP thaum siv lub Blu-Ray Disc Player rau koj lub HDTV nrog HDMI. Qhov no yuav yuam koj rau hauv kev siv cov kab uas tsis yog digital, yuav ib lub HDTV tshiab los sis tshem tawm ntawm Blu-Ray Disc Player.