AmakhompyuthaImishini

DVI-isixhumi: incazelo nenhloso, izici kudivayisi

DVI-isixhumi elisetshenziswa TV yesimanje (uketshezi olungenambala olusegazini, LCD), LCD-qapha ihluzo amakhadi PC. Igama elithi "DVI" lisuselwa isifinyezo English Digital VisualInterface, okuyinto uhumusha njengoba "esibonakalayo digital ezibukwayo". DVI-isixhumi yasungulwa futhi yethulwa ngo 1999 ngo-Digital Khombisa Working Group. Kuhlanganisa imidondoshiya global ukwenziwa amakhompyutha kanye nekucaphela, ezifana Intel, Compaq, Fujitsu, Silicon Image, Hewlett Packard futhi NEC. DVI-isixhumi ubuyisela VGA-interface futhi kuze kube manje cishe indawo ngokuphelele ke.

Incazelo DVI-ubuchwepheshe

Indlela ukuthumela idatha esetshenziswa kule esibonakalayo, akhiwa Silicon Image. It kungokwalabo uhlobo amadivayisi nge-serial ukudluliswa kwedatha. DVI-ikhebula lusekelwe isimiso umbhangqwana elisontiwe. amabhangqa amathathu izintambo adluliswa umbala (obomvu, oluhlaza okwesibhakabhaka), kanti owesine - amasignali iwashi. DVI-isixhumi ivumela zidlulisela kokubili analog amasignali digital. Kunezinhlobo ezintathu subtypes kokusetshenziswa kubonwa olucutshungulwayo:

  • DVI-A - isetshenziswa ukudlulisa kuphela amasignali analog ;
  • DVI-mina - isixhumi jikelele isetshenziswa ngokudlulisa kokubili analog amasignali digital;
  • DVI-D - ukuhlinzeka amasignali digital kuphela.

Ngaphezu kwalokho, ubuchwepheshe ifakwe Ukuvikelwa DVI ekhethekile HDCP Imininingwane digital uhlelo okwavezwa Intel.

Okumbi DVI-interface

Ububi eyinhloko ngokudlulisa ulwazi ngokusebenzisa le isixhumi iwukuba ukhawule ubude ikhebula, futhi kuye ngohlobo ipharamitha ye wathi ngocansi isignali. Ngokwesibonelo, isithombe nge ukwelulwa 1920x1200 Amaphikseli 60 Hz angadluliselwa ngokusebenzisa ikhebula nge ubude 5 amamitha kanye ikhebula pyatnadtsatimetrovomu kungenzeka ukuba adlulisele isiginali, eliphezulu kakhulu okuzokwenza kwe-pixel 1280x1024 kuphela naphezulu ngesivinini esifanayo. Ngakho-ke, lapho isidingo izintambo eside kufanele basebenzise imishini eyengeziwe - ekhethekile isignali yokukhulisa umsindo (ukuphinda), okuyinto ezibekwe kweyoku amabanga athile. Ngalezi nemiphumela ethile engathandeki elihlobene ne ukubonakala amaphuzu ku qapha ngokusebenzisa izinga abampofu ikhebula. Ukuqeda lo mphumela, kubalulekile ukuthi iguqule noma intambo, noma wehlise izinga isignali okufakwayo.

DVI--HDMI isixhumi

Lokhu isixhumi isetshenziselwa ukudluliswa digital amasignali HDTV. Mina yakhelwe le interface yokuxhuma i-TV ukuze imithombo yokufaka. I engavamile okukhulunywa isixhumi wukuthi ngokusebenzisa ke bangadlulisela hhayi kuphela ividiyo, kodwa futhi umsindo digital. It ivumela iziteshi zokusakaza umsindo 8, ne kancane ku 24 izingcezu. Kukhona Ukucaciswa ezahlukene zokusetshenziswa wathi futhi adaptha, sibonga ngalo kungenzeka kuchunywa izinhlobo ezahlukene izixhumi. Futhi, i-HDMI isixhumi ingasetshenziswa ukuxhuma PC kanye TV. Kufanele kukhunjulwe ukuthi esibonakalayo-HDMI DVI isekela olandelwayo ekhethekile ezenzelwe ukuvikela okuqukethwe okunelayisense kusuka ukubhalwa ngaphezu okungagunyaziwe.

isiphetho

Nakuba DVI-ubuchwepheshe avuselelwa cishe ngokuphelele VGA-interface, kuze kube manje, lolu hlobo kabanzi ku-PC amadala. Uma ikhadi ividiyo yakho akukho DVI-isixhumi, kodwa ufuna ukuxhuma qapha esekela lobu buchwepheshe ke ungasebenzisa adaptha ekhethekile - DVI-VGA-isixhumi.

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