Ungatshintshela njani kumabonakude wedijithali kwaye usete ulwamkelo lwejelo ngokwakho?

Kutshanje, kuye kwakho utshintsho olupheleleyo lukamabonwakude ukuya kwidijithali, kwaye umsebenzi omtsha uvele kubasebenzisi beTV-ukuseta ulwamkelo olukumgangatho ophezulu. Unokwenza oku zombini ngoncedo lweengcali kunye nawe.

Izibonelelo zeDigital TV

Xa kuthelekiswa neTV ye-analog, iteknoloji yedijithali izuza kuluhlu olude lweenzuzo, iphucula kakhulu amava omsebenzisi weTV. Iinzuzo eziphambili zikamabonakude wedijithali:

• ukuphuculwa komgangatho wesandi nomfanekiso;
• ukwandiswa kwenani lemijelo kuluhlu olufanayo;
• ukukwazi ukurekhoda iinkqubo zikamabonwakude kunye nokwenza oovimba;
• akukho mfuneko yee-transmitters ezinamandla;
• ukhetho lolwimi losasazo kunye nemibhalo engezantsi;
• ukukwazi ukongeza unomathotholo kwi-multiplex;
• ukukwazi ukufumana iimpawu ze-EPG.

Zimbalwa kakhulu izinto ezingeloncedo kumabonakude wedijithali:

• ngexesha lokuduma kwezulu kunye naphantsi kwezinye iimeko zemozulu ezimbi, umqondiso unokudluliselwa kakubi;
• kwimeko yokuncipha komqondiso (kaninzi oku kuxhomekeke ekukhethweni kwe-eriyali), iziqwenga zomfanekiso okanye umfanekiso uphela uphela ngokuyinxenye.

Yintoni oyifunayo ukudibanisa umabonwakude wedijithali – izixhobo eziyimfuneko

Ukubukela amajelo edijithali, kufuneka uthenge iTV exhasa
i-DVB-T2 , okanye uthenge izixhobo ezongezelelweyo kwisixhobo esiqhelekileyo. Uya kufuna intambo yomgangatho ophezulu,
umamkeli kamabonakude wedijithali kunye ne
-antennacaable yokusebenza kwi-decimeter range. Ufakelo lwasimahla lukamabonakude wedijithali we-DVB-T2: https://youtu.be/g61v5Vrop9c

Ukukhetha i-eriyali

Nayiphi na i-eriyali yasekhaya inokufumana isignali yedijithali. Kubahlali bezakhiwo eziphakamileyo, eyona ndlela ingcono iya kuba kukufaka i-antenna eqhelekileyo (CETV) yendlu yonke. Kubahlali becandelo labucala, kukho ezi ndlela zilandelayo:

• isitya sesathelayithi sokwamkelwa komqondiso lukhetho oluthembekileyo olusebenza kungakhathaliseki ukuba kufuphi nenqaba, indawo kunye neemeko zemozulu;
• i-antenna yangaphakathi – imodeli esemgangathweni, efanelekileyo ukuba inqaba yethelevishini isondelene;
• umgangatho we-antenna yangaphandle – ukuba umqondiso awunamandla kakhulu, inqaba yeTV ikude okanye indawo yenza kube nzima ukufumana umqondiso;
• i-cable TV – yandisa iphakheji yamajelo akhoyo;
• IPTV – yenza kube lula ukusebenzisa ngaxeshanye zonke izibonelelo zikamabonakude wedijithali ngokudibanisa nokufikelela kwi-Intanethi.

Umabonwakude

I-eriyali iyodwa ayonelanga – udinga iTV ukuze ukwazi ukufumana isignali yedijithali. Kubanikazi bezixhobo zanamhlanje eziye zakhululwa kwiminyaka eyi-3 edlulileyo, akukho mfuneko yokuthenga izixhobo ezongezelelweyo. Abavelisi babonelele ngokukwazi ukudibanisa umabonwakude wedijithali ngaphandle kokusebenzisa i-set-top box / receiver, ngoko ke iimodeli zanamhlanje ziza nezixhobo ezakhelwe ngaphakathi zokufumana umqondiso onjalo.

Xa uthenga iTV entsha, kufuneka uqinisekise ukuba imodeli oyikhethayo ixhasa imigangatho yedijithali. Iimpawu kufuneka ziqulathe into DVB-T2.

Console

Ukuba usebenzisa i-TV engaxhasi i-DVB-T2, kufuneka ungeze uthenge i-receiver – i-set-top box edibanisa kwi-TV kwaye ikuvumela ukuba ufumane umqondiso wedijithali. Kwi-assortment yeevenkile zezixhobo zeTV kukho iibhokisi eziphezulu ezahluke ngokupheleleyo ekusebenzeni kwazo:

• I-SMART set-top box – ukongeza kwi-TV yokufumana iimpawu zedijithali kunye ne-Intanethi. Yandisa ukusebenza – iTV ingasetyenziswa njengekhompyuter.
• Iibhokisi zokumisela izitya zesathelayithi – zixhotyiswe ngeprosesa enamandla, iingeniso ezongezelelweyo.
• Abamkeli beHybrid – bakuvumela ukuba ufumane imiqondiso yesathelayithi kunye nentambo.
• Abamkeli bomhlaba – basebenze ngokubambisana nee-eriyali eziqhelekileyo.
• Iibhokisi ze-Set-top ezinomfundi wekhadi eyakhelwe-ngaphakathi – ekusebenziseni amakhadi athengwe kumboneleli.
• Umamkeli nge CAM slot . Isixhobo esinjalo sinokuhlengahlengiswa ngokulula, ngoko akukho mfuneko yokoyika ukuba iya kuphelelwa lixesha kwaye ayiyi kukwazi ukufumana umqondiso.
• Abamkeli abadibeneyo . Baxhotyiswe nge-card capture reader, bane-CAM slot kwaye bayakwazi ukufumana iziteshi zeFTA. Ezo zixhobo zinokusebenza kunye nee-multiplexes eziqhelekileyo, kunye namajelo afihliweyo. Kwanele ukuvula ukuhlaziywa ngokuzenzekelayo kwezitshixo kwimenyu yokuseta okanye uzifake ngesandla usebenzisa ulawulo olude.
• Abamkeli baxhotyiswe ngenkqubo yofikelelo olunemiqathango . Le yihardware-software entsonkothileyo esetyenziselwa ukufumana ufikelelo kwinani lamajelo afihliweyo angafumanekiyo kwiimultiplexes eziqhelekileyo.

Kufanelekile ukunikela ingqalelo ekusebenzeni kwe-console kunye neempawu zayo ezongezelelweyo. Olona khetho lungcono luthathwa njengomamkeli we-SMART, oya kwandisa kakhulu amandla e-TV elula.

Xa uthenga i-digital receiver, kufuneka ukhangele kumthengisi ithuba lokubuyisela okanye ukutshintshiselana ngeempahla kwiintsuku ze-14. Oku kuyimfuneko nokuba isixhobo sihlolwe evenkileni kwaye sasebenza ngokupheleleyo. Kungenzeka ukuba xa udibanisa ibhokisi yokumisela ekhaya, ayiyi kufumana isignali kwi-antenna ngokwaneleyo – kule meko, kuya kufuneka ukhethe imodeli efanelekileyo.

Intambo

Xa ukhetha i-set-top box yeTV, kufuneka ubeke ingqalelo kubukho bekhebula kwikiti. Kwezinye iimeko, unokufuna ukuthenga iadaptha ukuba awukwazi ukuqhagamshela intambo efakiweyo kwiTV yakho.

Indlela yokuseta ulwamkelo lukamabonakude wedijithali kwaye uqhagamshele amajelo kwidijithali

Xa zonke izixhobo zithengwa, ungaqala inkqubo yofakelo. Ukuba ulandela imiyalelo, ungafaka kwaye usete ulwamkelo lukamabonakude wedijithali ngokwakho. Ungaqhagamshela njani umabonwakude wedijithali kunye nokuseta amajelo edijithali asemhlabeni: https://youtu.be/ScvZ6-GZ5Qk

Ukuqhagamshela DVB-T2 kumabonakude kunye DVB-T2 inkxaso: inyathelo nenyathelo imiyalelo

Unokuseta ulwamkelo lwedijithali lweTV kumabonwakude ngenkxaso eyakhelwe-ngaphakathi ye-DVB-T2 ngolu hlobo lulandelayo:

1. Nqamula iTV kwinethiwekhi.
2. Fumana igalelo lokudibanisa umabonakude wedijithali kwaye uqhagamshele i-eriyali kuyo.
3. Vula iTV kwaye ufumane icandelo leseto.
4. Khetha imowudi yokuseta iTV.
5. Kwimenyu evulayo, kufuneka ufumane i-DVB-T2 okanye i-tuner mode, khangela ezi bhokisi kwaye ugcine izicwangciso.
6. Chaza ilizwe, kwaye uvule imo yokukhangela isitishi.
7. Khetha i-DTV ukufumana zonke iitshaneli zedijithali ezikhoyo emhlabeni.

Kukwakhona ukulungelelanisa ngokuzenzekelayo ngokwe-algorithm ilandelayo:

1. Qhagamshela isixhobo kwi-eriyali nakwinethiwekhi.
2. Fumana i DVB setup iqhosha kwi panel yolawulo TV.
3. Khetha ufakelo oluzenzekelayo kuseto.
4. Lindela ukufakela kunye noqwalaselo lwamajelo.

Ufakelo oluzenzekelayo lolwamkelo lukamabonakude lwedijithali luthatha ukuya kutsho kwimizuzu eli-10, emva koko unokuqalisa ukubukela zonke iitshaneli ezikhoyo.

I-algorithm yokuseta ulwamkelo lwamajelo edijithali inokwahluka ngokuxhomekeke kumvelisi kunye nemodeli yeTV. Ukuba isixhobo asikwazi kumiswa kusetyenziswa ubuchwepheshe obuchaziweyo, kufuneka ufunde imiyalelo yaso.

Ungaqhagamshela njani iTV yedijithali ngaphandle kwebhokisi eseti-phezulu: https://youtu.be/eTme430os6g

Ukufumana isignali yedijithali yeTV usebenzisa ibhokisi yokubeka phezulu kwi-analog kunye ne-TV yedijithali

Ukuba i-TV ayixhasi i-DVB-T2, kufuneka uqale uqhagamshele umamkeli, uze uqhubeke nokusetha. Umyalelo wenyathelo ngenyathelo kule meko ujongeka ngolu hlobo:

1. Susa umamkeli kwipakethe yokuqala kwaye uqiniseke ukuba ususe ifilimu ekhuselayo ukwenzela ukuba isixhobo singagqithisi.
2. Ukusebenzisa i-RCA okanye intambo ye-HDMI, qhagamshela ibhokisi yokusetha kwi-TV yakho.
3. Qhagamshela i-eriyali kumamkeli.
4. Vula iTV kwaye uye kwicandelo lokuseta.
5. Khetha ilizwe.
6. Khetha umgangatho wesignali: DVB-T2 (digital) endaweni yeDVB-T (analogue).
7. Kwimenyu evulayo, khetha ulungelelwaniso oluzenzekelayo kwaye ulinde inkqubo ukuba igqitywe.
8. Gcina useto.

KwiiTV ezindala ezineeriyali kuphela ezifakiweyo, abamkeli abanemodyuli yeRF banokusetyenziswa. Iibhokisi ezinjalo zokuseta zixhunyiwe ngokuthe ngqo kwigalelo le-antenna, ngelixa zikwazi ukusebenza kwi-decimeter range.

Ukuba ukhetha i-DVB-T kunye ne-DVB-T2 ngexesha lokucwangcisa, i-TV iya kufumana zombini iitshaneli ze-analog terrestrial kunye nedijithali ngaxeshanye.

Jonga imiyalelo yokudibanisa umabonakude wedijithali usebenzisa umamkeli kule vidiyo: https://www.youtube.com/watch?v=iZEDvnWyJgA

Ukwamkelwa komabonakude wedijithali kwikhompyuter

Kunokwenzeka ukudibanisa iTV yedijithali kwi-PC okanye kwi-laptop, kodwa oku kufuneka uthenge izixhobo ezongezelelweyo – i-tuner ye-USB yedijithali. Uqhagamshelo kunye nemiyalelo yokuseta:

1. Qhagamshela ituna yedijithali ekhethiweyo ngegalelo le-USB.
2. Qalisa inkqubo entsha yokufumanisa isixhobo.
3. Faka isoftware yokusebenza okuchanekileyo komamkeli.
4. Lindela amajelo ukuba scan kwaye uqale ukubukela.

Ukuqhagamshela amajelo edijithali ukuze ujongwe kwikhompyutha kufuneka kwenziwe kuphela ukuba isixhobo sihlangabezana neemfuno zobugcisa zabavelisi bezamkeli ze-USB.

Iimpazamo kunye neengxaki xa udibanisa umabonakude wedijithali

I-teknoloji yedijithali inesixhobo esiyinkimbinkimbi, ngoko akusoloko kunokwenzeka ukuyidibanisa okokuqala kwaye wenze yonke into isebenze. Kukho inani leempazamo eziqhelekileyo onokuthi uzenze xa useka ulwamkelo lweTV yedijithali.

i-firmware yomamkeli wakudala

Umamkeli akanakusebenza ngaphandle kwesoftware efanelekileyo. Ukuba i-firmware iphelelwe lixesha okanye ifakwe ngokungalunganga ekuqaleni, ezi ngxaki zilandelayo zinokwenzeka:

• imposiso yokuseta umabonakude wedijithali;
• amanye amajelo awasebenzi ;
• umabonwakude akawufumani kakuhle umqondiso;
• umgangatho womfanekiso ombi.

Ukudanyazisa umamkeli, akuyomfuneko ukuyisa isixhobo kwiziko lenkonzo. Ukuba i-disk yokufakela i-software ifakwe kunye ne-set-top box, kufuneka udibanise ngekhebula le-USB kwaye uqale ukufaka i-firmware. Ukuba akukho diski yokufakela kwikhithi, ingxaki nayo ingasonjululwa. Ukuba nezakhono ezisisiseko ekusebenzeni ngeteknoloji, unokuzimela ngokuzimeleyo ukubuyisela isofthiwe usebenzisa le algorithm.

1. Fumana iwebhusayithi esemthethweni yomenzi okhuphe isimaphambili.
2. Kwicandelo lesoftware, fumana igama lemodeli yomamkeli oza kudanyaza.
3. Khuphela i-archive ngesoftware kwikhompyuter yakho kwaye uyikhuphe kwifolda eyahlukileyo.
4. Thumela ifolda yomxholo kwi-USB drive esusekayo.
5. Kwiwebhusayithi yomenzi, fumana imiyalelo yesinyathelo-nge-nyathelo yokufaka isoftware yemodeli ekhethiweyo.
6. Qhagamshela imidiya kwi-set-top box kwaye uqhube ufakelo.

Abavelisi banikezela ngokukhuphela i-firmware simahla. Ukuba ubhaliso, intlawulo, okanye iSMS iyafuneka, kusenokwenzeka ukuba yindawo yobuqhophololo.

Iingxaki ze-antenna

Ukuba i-eriyali ayifumani mqondiso kuqhagamshelo lokuqala, awudingi ukubaleka ngokukhawuleza kwivenkile kwaye ucele ukuyibuyisela endaweni yayo. Kufanelekile ukujonga ezi ngongoma zilandelayo:

• uqhagamshelwano oluchanekileyo;
• amaxesha amaninzi kwimephu yeCETV esebenzisanayo;
• ukusebenza kwentambo kunye nabafowunelwa.

Ukuba akukho zingxaki zifunyenweyo, uhlobo olungalunganga lwe-eriyali lukhethwa kakhulu. Ukuba i-antenna ayinamandla ngokwaneleyo ekufumaneni umqondiso ophezulu, ukuthenga kunye nokufaka i-
amplifier kunokunceda . Unokujonga kwakhona uhlobo olufanelekileyo lwesixhobo sokufumana.

Ukuba ingxaki ayinakusonjululwa ngokwakho, kufuneka uqhagamshelane neengcali. Mhlawumbi ingxaki ilele kwisixhobo, esifuna nje ukutshintshwa okanye ukulungiswa phantsi kwewaranti.

Ingxaki kwisikhululo sikamabonakude

Kwi-80% yamatyala, iingxaki nge-digital reception reception zibangelwa ukungasebenzi kakuhle kwisixhobo somsebenzisi okanye iimpazamo ezenziwe ngexesha lofakelo. Kodwa kukho iimeko xa kungekho ngqiqo ukujonga ukuchithwa okanye iimpazamo kwiisetingi. Ekubeni inguqu epheleleyo kumabonakude wedijithali ayikenzeki kuyo yonke imimandla, ukusilela kuhlala kwenzeka ngokuthe ngqo kwisikhululo. Uthintelo lukwaqhutywa ngamaxesha athile, ngamaxesha anjalo amajelo edijithali nawo awafumaneki. Ukuba kukho ingxaki ngomfanekiso okanye ukufikelela kwiipakethi zetshaneli zedijithali, kodwa zonke izixhobo kunye nezicwangciso zimi ngolungelelwano, kufuneka ufowunele umnxeba womniki-nkonzo. Iinkampani ezibonelela ngeenkonzo zoqhagamshelo lukamabonakude wedijithali zihlala zikwazisa malunga nokugcinwa okucwangcisiweyo kokuthintela okanye ezinye izizathu zokusilela,

Imibuzo neempendulo

Kwinkqubo yokufaka izixhobo kunye nokuseta umabonwakude wedijithali, imiba eyahlukeneyo inokuvela engakhange ikhankanywe kwimiyalelo okanye kwimemo yombhalisi.

Mangaphi amajelo edijithali aya kufumaneka?

Konke kuxhomekeke kwiphakheji kunye nelizwe loqhagamshelwano. ERashiya, ii-multiplexes ezi-2 ziyafumaneka – iziteshi ezisisiseko ezingama-20. E-Ukraine ngamajelo angama-32. Ukuba uqhagamshela ngomnikezeli, iziteshi zephakheji ziya kufumaneka – ukusuka kwi-50 okanye ngaphezulu, kodwa umrhumo wenyanga wokubhalisa uya kufuneka.

Kutheni le nto umyalezo othi “akukho mqondiso” uvele kwisikrini?

Ukuba yonke into yasebenza ngaphambili, kunokubakho izizathu ezibini – iplagi yekhebula ephukile okanye isibonakaliso esibi ngenxa yomsebenzi wokulondoloza kwisikhululo sikamabonwakude.

Kutheni engaboniswa onke amajelo?

Ipakethe esemgangathweni kamabonakude wedijithali we-terrestrial ibandakanya inani eliqingqiweyo lamatshaneli. Ukuba umjelo oyinxalenye ye-multiplexes edibeneyo ayiboniswa, kufuneka ukhangele inqanaba lesignali – kunokubakho iingxaki nge-antenna.

Ngaba ndingafumana intambo kunye neetshaneli zedijithali ngaxeshanye?

Ewe, kunokwenzeka, kodwa oku kuya kufuna ukusetyenziswa okongeziweyo komdibanisi wesignali yeTV. Ii-aders ezinjalo zihlala zithengiswa kwiivenkile zezixhobo zikamabonwakude. https://youtu.be/0opTiq5EQWU

Kutheni imijelo ijinga?

Ukuba ngexesha lenkqubo yokujonga umfanekiso weskrini uqala ukukhenkceza okanye ukubola ube pixels, kukho isizathu esinye kuphela – ukuwohloka komqondiso ngenxa yokungasebenzi kakuhle kwe-eriyali okanye iimeko zemozulu ezimbi. Ukuba uthenga isitya sesathelayithi, awukwazi ukuxhomekeka kwimozulu.
Ukwazi ulwazi olusisiseko malunga nokudibanisa kunye nokuseta i-digital reception reception, unokwenza ngokuzimeleyo utshintsho oluvela kwi-analog technologies. Ukuba, ngenxa yesizathu esithile, awukwazi ukufaka isofthiwe okanye ukuseta amajelo, kungcono ukuqhagamshelana neziko lenkonzo kwaye unike umsebenzi wokutshintshela kumabonakude wedijithali kwiingcali.