Ngethuba lethu, ukhuseleko olupheleleyo alinakwenzeka ngaphandle kwenkqubo yokhuseleko kunye nenkqubo yokulanda ividiyo . Abaninzi banqwenela ukufaka ii-camera cameras ukugcina umkhondo wezinto ezenzekayo ekhaya. Nangona kunjalo, ngaphandle kwe-DVR yendlu, oku akukwenziwanga.
Yintoni i-DVR?
I-DVR iyisistim egciniweyo esirekhodiweyo, esitolo kunye nokudlala ulwazi lwevidiyo. Esi sixhobo sekhompyutha siyinxalenye ebalulekileyo yenkqubo yokujonga ividiyo. I-DVR, kwakunye nekhompyutha , iqukethe idiski ekhuni, iprojector, kunye ne-ADC. Kweminye imodeli ehamba phambili, kwanekho inkqubo ekhethekileyo yokusebenza.
Indlela yokukhetha i-DVR ekhaya?
Iimarike zanamhlanje zinikeza iindidi ezininzi zezixhobo zokubonwa kwevidiyo. Kodwa ukusetyenziswa kwekhaya kuyinqweneleka ukukhetha imodeli kunye nemisebenzi ephezulu kunye neendleko ezincinci. Xa ukhetha i-DVR, kubalulekile ukubhala ingqalelo kwiiparitha ezifana nenani leziteshi, umgangatho wokurekhoda kunye nokusebenza.
Ngaphambi kokuthenga, kufuneka ufumane inani leekhamera ofuna ukuxhuma kwi-DVR. Kuxhomekeke kule ndawo, izahlulo ezine-, ezine, ezisibhozo, ezithoba, ezilishumi elinesibhozo, zesebe ziyabelwe.
Enye yeendlela ezibalulekileyo xa ukhetha i-DVR yimiqobo yokurekhoda, okuyiyo, ngokusemgangathweni, inquma ukuba luncedo kunye nolwazi lwe-system yonxibelelwano yevidiyo. Isisombululo esifanelekileyo singathathwa ngeD1 (720x576 pixels) kunye ne-HD1 (720x288 pixels). Nangona kunjalo, ngaphezu koko, kubalulekile ukuthelekisa isisombululo kunye nejubane lokurekhoda, ixabiso eliphezulu elifikelela kuma-25 ozimele ngesibini. Iinkcukacha ezifunyenwe kwiikhamera zevidiyo zicutshungulwa kwifomathi ethile - MPEG4, MJPEG okanye H.264. Ifomathi yokugqibela ithathwa njengeyona ndlela yanamhlanje.
Ukusebenza kwe-DVR akubalulekanga. Isixhobo kufuneka sibe nevidiyo ephuma (BNC, VGA, HDMI okanye SPOT), ingeniso yomsindo kwizandi zokurekhoda (ukuba kuyimfuneko), isixhobo sokulawula, ukufikelela kwinethiwekhi.
Kukho iinguqulelo ezahlukeneyo zesixhobo. Umzekelo, i-DVR ene-home monitor ayifuni ukuba ixhumeke kuyo