Ibhokisi yokumisela-phezulu yandisa izakhono zeTV. Oomabonakude abaDala banokungamkeli imiqondiso ye-DVB-T2. Amajelo anamhlanje asasazwa ngolu hlobo.

Kule meko, kuyafaneleka ukudibanisa i-set-top box engakwazi ukucacisa umqondiso wedijithali kwaye uyiguqule kwi-analog. Kukwakho neebhokisi zokuseta-phezulu ze-DVB-C ( i-cable TV ), i-DVB-S ( i-TV yesathelayithi ) kunye neebhokisi zokuseta ezineendlela zokusebenza ezidityanisiweyo. Iibhokisi ze-Smart set-top ( i-TV-Box ) kufuneka ibekwe kudidi olwahlukileyo. Banokuqhagamshela ngokupheleleyo nayiphi na iTV kwi-Intanethi. Kwakhona, musa ukulibala malunga nentambo ye-eriyali: ubude bayo kufuneka bulinganiswe kwangaphambili, kunikwe umda omncinci ukulawuleka. Kwakhona, ngokupheleleyo naziphi na iibhokisi ezisetiweyo zifuna intambo yokuqhagamshela ngqo kwiTV ngokwayo. Oku kunokuba yintambo ye-HDMI, kwimeko yeeTV ezintsha, okanye i-RCA okanye i-SCART, kwimeko ye-TV endala kuneminyaka eyi-6.

Ukumisela uhlobo lwentambo edityanisiweyo, kufuneka ujonge ngasemva kweTV kwaye ujonge ujongano oluyimfuneko okanye ujonge kwimiyalelo yeTV.

Umda wokuhanjiswa kwebhokisi ye-TV-set-top – intambo

Kwikhithi, ukongeza kwi-set-top box ngokwayo, unokubona iintambo ezininzi zokuqhagamshela kwiiTV ezahlukeneyo. Umzekelo, ikhithi isenokuba ne HDMI, RCA, SCART kunye ne-S-Video cable

YeHDMI ujongano kukho iinguqulelo ezininzi:

1. I-HDMI 1.2 – ikuvumela ukuba ukhuphe umfanekiso we-FHD.
2. I-HDMI 4 – ikuvumela ukuba ubonise imifanekiso ye-4K kwireyithi yesakhelo se-30 fps.
3. I-HDMI 0 – ikuvumela ukuba ukhuphe imifanekiso ye-4K kwireyithi yesakhelo se-60 fps.

I-HDMI yi-interface yedijithali evumela ukuba udibanise ibhokisi yokubeka phezulu kwiiTV ezintsha, kwaye unemizila yesandi esijikelezileyo. KwiiTV ezindala, kukho ujongano lwe-analog SCART, olujongeka njengekhonkco elibanzi loxande, i-S-VIDEO, ejongeka ngathi ikhonkco elimnyama elineplagi embindini kunye neRCA, ejongeka ngathi nemibala emithathu enemibala emininzi (ephuzi, emhlophe kwaye ebomvu) iiplagi ze-tulip.

Ukuba usebenzisa nayiphi na le midibaniso, ke isisombululo esiphezulu siya kuba ngama-768 ngama-pixels angama-576, kwaye umlinganiselo wesakhelo uya kulinganiselwa kwi-25 fps.

Iibhokisi ezininzi zeTV zinezibuko ze-USB ezivumela ukuba udibanise, umzekelo, i-USB flash drive kwaye udlale nayiphi na i-multimedia (umculo, ividiyo, iifoto). Ukudlala umxholo we-FHD kwisisombululo se-1920×1080, nayiphi na i-USB 2.0 flash drive yanele, kodwa kwisisombululo se-4K, esiyi-3840×2160, udinga i-USB 3.1 isizukulwana sesibini (gen2) nge-bandwidth ubuncinane ye-gigabits engama-20 ngomzuzwana.
Kukwafanelekile ukukhumbula ukuba kuphela isilawuli kude esibandakanyiweyo kunye neebhokisi ezisezantsi zokufumana amajelo eTV edijithali. Kodwa ikhithi eneebhokisi ezisezantsi zokusasaza isiginali yesathelayithi ikwaneseti yeengcingo ezifunekayo ukudibanisa i-eriyali, kunye needekhoda.

Izixhobo ezongezelelweyo zeebhokisi zokubeka phezulu

Ukuba awuzange ujongane neebhokisi zokuseta ngaphambili kwaye awuyazi indlela yokuyiqwalasela ngokufanelekileyo, ngoko ungathenga iseti yeebhokisi zokuseta kunye nekhibhodi engenazingcingo ngemouse. Iisethi ezinjalo zihlala zifumaneka ngeemodeli ze-premium, eziqala ukusuka kwi-ruble ye-5000. Imawusi iya kukunceda ujikeleze ujongano lweconsole ngokukhawuleza, kwaye ikhibhodi iya kukunceda uchwetheze umbhalo ngokukhawuleza. Kwakhona, izixhobo ezongezelelweyo zibandakanya iintlobo ezahlukeneyo zeentambo zokwandiswa, iadaptha, i-splitters kunye ne-splitters, ezinokuba luncedo ekudibaniseni iiTV ezininzi ngaxeshanye. Indlela yokudibanisa iiTV ezimbini kwibhokisi enye yokuseta-phezulu yedijithali Tricolor :

Esinye isiphelo sentambo ye-HDMI kufuneka ifakwe kwi-set-top box ngokwayo. Ichweba le-HDMI lihlala libekwe ngasemva kwebhokisi esezantsi. Ukuba uya kubukela umxholo kwisisombululo se-4K, ngoko kufuneka ujonge iinkcukacha zebhokisi ye-set-top kunye ne-TV kwaye ufumanise ukuba bayasixhasa esi sigqibo. Kwakhona kuyimfuneko ukujonga ukuveliswa kwentambo yakho ye-HDMI, ekubeni isizukulwana sinquma ukuba i-interface inokudlulisa umxholo kwisisombululo esifunwayo kwireyithi yesakhelo esifunekayo.

Xhuma iTV yakho kunye nebhokisi yokuseta-phezulu.

Xa yonke into ixhunyiwe, vula i-set-top box kwi-remote control okanye kwiqhosha elikulo, ukuba kukho enye kwimeko.

Vula iTV kwaye ukhethe ibhokisi yokumisela njengomthombo wesignali. Ukwenza oku, cofa iqhosha lokuNgena (elikwabizwa ngokuba nguMthombo – imveliso okanye umthombo) kwaye ukhethe i-port ye-HDMI edibeneyo.

Ukuba i-set-top box iqhagamshelwe ngempumelelo, uya kubona iwindow yokuqala yesethingi yebhokisi. Ukuba ubona umyalezo malunga nokungabikho kwesignali okanye isikrini esimnyama, ke qiniseka ukuba ikhebula le-HDMI kunye nebhokisi le-set-top ngokwayo lisebenza, kwaye khangela ukuba ibhokisi yokumisela ixhunyiwe kwi-TV.

Umabonwakude omdala

Isikhokelo sangaphambili sichaze amanyathelo okudibanisa i-set-top box kwi-TV entsha ngentambo ye-HDMI. Ukuba udibanisa i-TV yedijithali ye-set-top box kwi-TV endala, kufuneka ubeke ingqalelo kwisidibaniso oza kudibanisa ngaso i-set-top box kwi-TV.

1. Kwiimeko ezininzi, uxhulumaniso lwenziwa nge- RCA ikhonkco , ekhangeleka njengeeplagi ezintathu eziphuzi, ezibomvu nezimhlophe – i-tulips. Qhagamshela isiphelo sokuqala sentambo kwiTV nakwibhokisi yokuseta. Qinisekisa ukuba imibala yeziqhagamshelo kwibhokisi yokumisela okanye iTV ihambelana nombala weplagi eqhagamshelweyo . Ukuba imibala ayiphawulwanga kwi-set-top box okanye kwi-TV, faka iiplagi ngokungalindelekanga de ufumane umfanekiso okanye isandi. Ukuba ufaka iplagi kwisokethi engalunganga, akukho nto iya kwenzeka – ikhuselekile ngokupheleleyo kuwe nakwisixhobo.
2. Ngamanye amaxesha kufuneka uqhagamshele ngesidibanisi se- SCART . Ukuyiqonda kulula: I-SCART ijongeka njengekhonkco elide loxande elineeplagi ezisicaba ngaphakathi. Inzuzo yayo ilele kwinto yokuba inokudityaniswa kuphela kwicala elinye ngenxa yobume bayo obuyi-asymmetrical, ngoko ke kunzima kakhulu ukwenza impazamo xa uqhagamshela i-set-top box kwiTV.
3. Indlela yesithathu yokudibanisa i-set-top box kwi-TV yi -S-Video , ikhonkco elijikelezayo elihlala linemibala ephuzi okanye emnyama. Iyakwazi ukubhideka ngokulula kunye ne-RCA isidibanisi, ngoko ke ukuba awuqinisekanga malunga noqhagamshelwano oluchanekileyo, jonga imiyalelo yeTV kunye ne-set-top box kwaye uqinisekise indawo yesi sidibanisi.

Uyiqhagamshela njani i-set-top box kwi-Samsung TV inyathelo ngenyathelo-umyalelo wevidiyo: https://youtu.be/ZyHYPUSqF3U

Kukho neemeko apho i-set-top box inemveliso ye-HDMI kuphela, kwaye i-TV endala ineziphumo ze-analog kuphela. Kule meko, kufuneka uthenge isiguquli esiguqula isignali yedijithali kwi-analog. Abanye baba baguquli banokufuna amandla e-USB, anokufunyanwa ngokudibanisa umguquli kwizibuko le-USB kwibhokisi yokuseta ngokwayo. Uyiqhagamshela njani i-digital set-top box kwi-LG TV kwaye ucule kumajelo: https://youtu.be/LuMUNZTLb8s

Indlela yokudibanisa ibhokisi yokusetha-phezulu kwiiTV ezininzi ngexesha elinye

Ukuqhagamshela iiTV ezininzi ngexesha elinye, kufuneka uthenge i-HDMI cable splitter. I-splitter enjalo ixabisa malunga newaka leeruble. Ikopisha isignali yokuphuma kwaye isasaze kuzo zonke iziphumo zayo ze-HDMI. Ukuba usebenzisa ikhebula le-RCA, udinga isahluli somqondiso we-analog, oxabisa ukusuka kuma-ruble angama-400. Umgaqo wokusebenza kwawo ufana ne-splitter ye-HDMI, kodwa umgangatho ubi kakhulu.

Iingxaki kunye nezisombululo ezinokwenzeka

1. Umfanekiso uyanyamalala, ube ngumkhenkce, okanye “uqhekeke” . Oku kungenxa yesikhundla esingalunganga se-eriyali kunye noqhagamshelo lwayo kwibhokisi yokusetha-phezulu. Zama ukuhambisa i-eriyali kwindawo eyahlukileyo kwaye ubone ukuba unjani umgangatho wesignali.
2. Ibhokisi yokumisela iyasebenza, kodwa xa uzama ukuvula isitishi, “ingxolo emhlophe” okanye isikrini esimnyama siyaboniswa endaweni yomfanekiso . Ukuba amajelo ebekade esebenza, kodwa ngoku akukho mfanekiso, ke iifrikhwensi zetshaneli zisetwe ngokungachanekanga. Ngamanye amaxesha oku kwenzeka emva kohlaziyo lwe-firmware ye-set-top box okanye ukusilela kwamandla okukhokelela ekuvalweni kwangaphambi kwexesha. Kule meko, ukulungiswa kwakhona (ukukhangela) kwamajelo kuya kunceda.
3. Umfanekiso awucacanga okanye awucacanga . Le ngxaki ibangelwa ukhetho olungalunganga lwesisombululo kwibhokisi yokumisela, engaphantsi kwesisombululo seTV.
4. Ibhokisi yokumisela-phezulu ayikwazi ukudlala imuvi erekhodiweyo kwi-flash drive. Okunokwenzeka, ibhokisi yokumisela-phezulu ayikwazi ukudlala iifayile zefomathi apho imuvi irekhodwa. Umzekelo, imuvi okanye nayiphi na enye ifayile yevidiyo ekufuneka idlalwe kwi-TV set-top box yarekhodwa kwi-flash drive kwi-.mov extension, leyo i-set-top box ayinakuyidlala ngenxa yezithintelo zesoftware ebekwe ngumvelisi. isizathu esinye okanye esinye. Ukuyicombulula le ngxaki, kufuneka uguqule ifayile yevidiyo yasekuqaleni kwisandiso esixhaswayo usebenzisa inkqubo ekhethekileyo okanye inkonzo ye-intanethi, okanye ukhuphele enye ifayile ngesandiso esixhaswayo. Ukuze ufumane ukuba i-set-top box yakho ixhasa ulwandiso oluthile, funda imiyalelo yalo, ekufuneka ifakwe kwiphakheji. Kungcono ukusebenzisa uphendlo oluzenzekelayo lwamajelo eTV. Ngexesha lenkqubo yokuseta, i-set-top box ngokwayo iya kujonga zonke ii-frequencies kwaye ikhethe ezo zisasazwa kuzo amajelo e-TV. Ukuba ulungiso oluzenzekelayo aluncedanga, kufuneka usebenzise ukhangelo lwesitishi ngesandla. Kule meko, kufuneka utshintshe ama-frequencies ngesandla kwaye ukhangele ezifanelekileyo. Ubuninzi bejelo elithile bunokufumaneka kwiwebhusayithi yesitishi.