Imishini ye-TV yedijithali

Umkhiqizi Wezinsiza Ze-TV Yedijithali - Zongju

I-Hangzhou Zongju Optical Equipment Co., Ltd. ime njengegama elivelele emkhakheni wokukhiqiza imishini ye-TV yedijithali, enesisekelo esiqinile ekuthumeleni izimakethe zomhlaba wonke. Izinze endaweni emisha yase-Hangzhou, e-China, i-Zongju igxile ocwaningweni, ekuthuthukisweni, ekukhiqizeni nasekuthengisweni kwemishini yokudlulisa i-fiber optical ethuthukisiwe kanye nezokuxhumana. Ngohlu olubanzi lwemikhiqizo, u-Zongju uzibophezele ekuletheni izixazululo zomhlaba-ezisezingeni eliphezulu ezibhekelela izidingo zenethiwekhi ezahlukahlukene.

Uhlu lwethu lomkhiqizo oluyindida luhlanganisa i-ZJ3214B Multi-Channel Encoder ephawulekayo, umfanekiso osebenza kahle wemodular, othuthukisa ukuguquguquka kokufakwayo kwevidiyo kanye namazinga wombhalo wekhodi. Idatha ye-ZJ3308AT8 ye-1I-ATSC Modulatorsiyisibonelo sobuchwepheshe bethu bokusika-maphethelo ekusakazeni kwedijithali, sibeka izinga lokuhamba phambili kokudluliswa kwamasignali. Ngaphezu kwalokho, i-ZJ2406 DVB-T Modulator yethu iklanyelwe ukuhlangabezana nezidingo eziqinile zemboni, ihlinzeka ngokuhlanganiswa okungenamthungo nokusebenza okuphakeme.

Ngokugxila okungantengantengi kwikhwalithi nokwaneliseka kwamakhasimende, uZongju uzinikele ekuletheni okukhethekileImishini ye-CATVkanye nezixazululo zamanethiwekhi esifunda, ukudlala kathathu, kanye nezinhlelo zokusebenza ze-FTTx. Ukuzibophezela kwethu ekwakheni ubambiswano lwesikhathi eside nabasebenzisi, abasabalalisi, izifaki, namakhasimende e-OEM/ODM emhlabeni wonke kugcizelela isithunzi sethu sesevisi yekhwalithi nokusungula izinto ezintsha. Hlanganyela nathi ekwakheni ikusasa eliqhakazile ngokusebenzisa izixazululo ezithembekile nezisezingeni eliphezulu zemishini ye-TV yedijithali.

Iyini i-Digital TV Equipment

Imishini ye-TV yedijithaliihlanganisa uhla lwamathuluzi ayinkimbinkimbi namadivayisi akhelwe ukusiza ukwamukela, ukusakaza, nokuqoshwa kwamasignali kamabonakude wedijithali. Njengoba ubuchwepheshe buthuthukile, uguquko olusuka kumabonakude we-analogue ukuya kumabonakude wedijithali lungenise inkathi entsha yokuhlangenwe nakho okuthuthukisiwe kokubuka, okumakwa ngesithombe esiphezulu nekhwalithi yomsindo. Imishini ye-TV yedijithali idlala indima ebalulekile kulolu shintsho ngokuqinisekisa ukuthi amasiginali afakwe ikhodi yedijithali acutshungulwa ngokufanelekile ukuze asebenze kahle.

Ukuqonda Izinsiza Zedijithali ze-TV


Enhliziyweni yobuchwepheshe bethelevishini yedijithali inqubo yokucindezela kwedijithali, okuguqula amasignali kamabonakude abe amaphakethe edatha edijithali. Lokhu kushintsha ezindleleni ezivamile ze-analogu kwenza abasakazi bakwazi ukudlulisa amasignali ngendlela esebenza kahle kakhulu nangokucacile, kungakhathaliseki ukuthi ngamaza omoya, ngamasistimu amakhebula, noma ngamanethiwekhi asesathelayithi. Izingcezu eziyinhloko zemishini ye-TV yedijithali ihlanganisa izamukeli zikamabonakude wedijithali (i-DTV), isethi yedijithali-amabhokisi aphezulu, namarekhodi evidiyo edijithali (ama-DVR).

1. I-Digital Television Receivers


Izamukeli zikamabonakude zedijithali zenzelwe ukuthwebula nokuqopha amasignali edijithali asakazwa abasakazi. Lawa madivaysi abalulekile ezibukelini ezithembele ekusakazweni kwamahhala-kuya-ukusakaza kwedijithali futhi zisebenzise uthi lwe-TV yedijithali ukuqoqa lawa masignali. Inzuzo eyinhloko yabamukeli bedijithali isekhonweni labo lokuletha ividiyo ephezulu-echazayo kanye nomsindo, enikeza izibukeli umuzwa ocebile, ogxile kakhulu kunezamukeli ze-analogu ezivamile.

2. Isethi Yedijithali-Amabhokisi Aphezulu


Emizini ebhalisela ikhebula noma izinsiza ze-TV zesathelayithi, amabhokisi e-digital set-top asebenza njengempahla ebalulekile. Lawa madivaysi anquma amasignali edijithali atholwe ngekhebula noma ngesathelayithi futhi awaguqule abe yifomethi omabonakude abavamile abangayibonisa. Amabhokisi e-Set-top ngokuvamile afika nezici ezengeziwe ezifana neziqondiso zezinhlelo ze-elekthronikhi, izilungiselelo ezenzakalelayo, nezilawuli zabazali, okuthuthukisa ulwazi olunzulu ngomsebenzisi.

3. Izirekhoda zevidiyo ezidijithali (ama-DVR)


Izirekhoda zevidiyo zedijithali ziguqule indlela izethameli ezidla ngayo okuqukethwe kukamabonakude. Ngokuvumela abasebenzisi ukuthi barekhode, bamise isikhashana, futhi badlale futhi i-TV ebukhoma, ama-DVR ahlinzeka ngokuguquguquka okungakaze kubonwe kanye nokulawula amashejuli okubuka. Leli khono lizuzisa kakhulu kubantu abamatasa abafisa ukubuka izinhlelo zabo abazithandayo ngesikhathi esibathanda ngaso. Ngale kokuqopha nje, ama-DVR esimanje ngokuvamile ahlinzeka ngezici ezifana nokurekhoda kochungechunge, ukusesha kwamagama angukhiye, kanye nekhono lokweqa izikhangiso, okuqhubeka kucebisa ulwazi lwethelevishini.

Izinzuzo Zedijithali Ngaphezulu Kwe-analogue


Ushintsho olusuka ku-analogue luye emishinini ye-TV yedijithali iletha izinzuzo eziningi ezithuthukisa ngokuqondile umuzwa wombukeli. Amasiginali edijithali, ngokwesibonelo, asekela inani eliphakeme lamashaneli nokucaca okuthuthukisiwe kwezithombe, anciphise izindaba ezinjengomsindo nokuhlanekezelwa kwesignali okuvamile ngokusakaza kwe-analogi. Ngaphezu kwalokho, okokusebenza kwedijithali kuvumela ukulethwa kokuqukethwe kwe-high-definition (HD), enikeza imininingwane eyengeziwe kanye nokucija kwesithombe esibonakalayo.

Enye inzuzo ebalulekile ikhwalithi yomsindo ethuthukisiwe. I-Digital TV isekela amandla omsindo ozungezile, ongaguqula igumbi lokuhlala elivamile libe okokuzizwisa kwesinema, enikeza imisindo ecebile neshukumisayo kakhudlwana ehambisana nokubonwayo kwekhwalithi ephezulu-.

Isiphetho


Sengiphetha, imishini ye-TV yedijithali iyingxenye ebalulekile yokubuka ithelevishini yesimanje, iqinisekisa ukuthi izethameli zithola isithombe esingcono kakhulu kanye nekhwalithi yomsindo. Ngamadivayisi afana nezamukeli zikamabonakude zedijithali, ama-set-top boxes, nama-DVR, abathengi bangajabulela izici eziningi nezinzuzo ezithuthukisa ukusebenzelana kwabo nokuqukethwe kukamabonakude. Ukuvela okuqhubekayo kobuchwepheshe kuthembisa inqubekelaphambili eyengeziwe kumishini ye-TV yedijithali, ukuqinisekisa ukuthi le ndlela yokuxhumana iyaqhubeka nokuletha ulwazi oluphezulu kubabukeli emhlabeni jikelele.

I-FAQ mayelana Nezisetshenziswa Zedijithali ze-TV

Yiziphi izingcezu zemishini ezidingekayo ukuze ubuke umabonakude wedijithali?

Ithelevishini yedijithali iguqule indlela izethameli ezisebenzisa ngayo imidiya, inikela ngekristalu-isithombe esicacile nenqwaba yezinketho zesiteshi. Ukuze ujabulele ithelevishini yedijithali, imishini ethile ibalulekile. Kulo mhlahlandlela, sizohlola izingxenye ezidingekayo zokusetha i-TV yedijithali, noma ngabe uyithola ngekhebula, isathelayithi, noma amasignali asemhlabeni.

Izingxenye Eziyisisekelo ze-Digital Television

Okokuqala, izingcezu eziyisisekelo zezinto zokusebenza ezidingekayo kuzo zonke izinhlobo zikamabonakude wedijithali zihlanganisa umabonakude okwazi ukubonisa amasiginali edijithali, isamukeli sedijithali, namakhebuli afanelekile ukuze axhume lawa madivayisi ngaphandle komthungo. Ake sijule ngezidingo ezithile zohlobo ngalunye lokwamukela i-TV yedijithali.

I-Digital TV by Cable (CATV Equipment)

Kumabonakude wekhebula, owaziwa nangokuthi yimishini ye-CATV, inqubo yokuxhuma iqala echwebeni le-coaxial ekhaya lakho. Uzodinga intambo ye-coaxial ethembekile ukuze uxhumanise isixhumi somsakazo ne-TV kumamukeli wakho wedijithali. Lesi samukeli sivamise ukubhangqwa ne-smartcard eqinisekisa ukufinyelela kwakho eziteshini ezinikezwa isevisi yakho yokubhalisa. Ukudlulisa isignali isuka kumamukeli iye kumabonakude, ikhebula le-HDMI liyadingeka. Ikhebula le-HDMI liqinisekisa ukuthi ikhwalithi yesiginali yedijithali iyagcinwa, ikunikeza okuphuma phambili komsindo nevidiyo.

I-TV yedijithali ngesathelayithi

Uma kuziwa kumabonakude wesathelayithi, ukusethwa kuyinkimbinkimbi kancane. Isidingo sokuqala i-antenna yesitsha sesathelayithi ukuze ithwebule amasiginali asakazwa kumasathelayithi azungeza Umhlaba. Lesi sidlo sixhunywe ku-LNB (Low-Noise Block downconverter), ekhulisa futhi iguqule isignali yesathelayithi ibe yifomethi elungele ukudluliselwa okwengeziwe. I-LNB ixhunywe kumamukeli wesathelayithi ngamakhebuli angama-coaxial anezixhumi ze-F-. Ngokufanayo nekhebula le-TV, i-smartcard nekhebula le-HDMI nazo ziyadingeka ukuze unqamule futhi ubonise okuqukethwe kwedijithali kumabonakude wakho.

I-TV yedijithali ngamasignali we-Terrestrial

Ukuthola i-TV yedijithali ngamasignali asemhlabeni kuhlanganisa izinto eziningi ezilula. I-antenna ithwebula ukusakaza ngaphezulu-emoyeni, bese isignali idluliselwa kusethi yedijithali-ibhokisi eliphezulu. Lokhu kuxhumana, okusungulwe ngentambo ye-coaxial kanye namapulaki e-IEC 169-2, kuvumela ibhokisi elisethi-phezulu ukucubungula isignali. I-smartcard nekhebula le-HDMI ziyaphinda zisetshenziswe ukuze kuqinisekiswe ukuthi umabonakude uveza okuqukethwe ngendlela efanele nangokuvikelekile.

Ukubuka i-Digital TV kuma-Multiple Television

Uma ufisa ukunweba umabonakude wedijithali kumathelevishini amaningi ekhaya lakho, ukucatshangelwa okwengeziwe kuyavela. Ngokusetha ikhebula ne-terrestrial, lokhu kuvame ukudinga izintambo eziyinkimbinkimbi kanye nohlelo lokubhaliselwe oluthuthukisiwe, njengoba abanye abahlinzeki bakhawulela inombolo yokuxhumeka ngasikhathi sinye. Ku-TV yesathelayithi, i-multi-output LNB ibalulekile, lapho ama-LNB amawele, ama-quad, noma ama-quattro enza kube lula ukuxhumana nezamukeli eziningi zesathelayithi zedijithali. Kulokhu kusetha, i-multiswitch ingase idingeke ukuze kusabalaliswe kahle isiginali kuwo wonke amadivayisi amaningi.

Ngenkathi uqala ukusetha umabonakude wakho wedijithali, ukuqonda izidingo ezithile zemishini kubalulekile. Uhlobo ngalunye lokwamukela i-TV yedijithali—kungaba ikhebula, isathelayithi, noma i-terrestrial—iletha izinselele ezihlukile futhi idinga izingxenye ezihlukile. Kodwa-ke, ngezinto ezisetshenziswayo ezifanele kanye nokusetha, ungakwazi ukujabulela ukubuka okungenakuqhathaniswa nokufinyelela ezinhlobonhlobo zamashaneli nokuqukethwe kwedijithali kwekhwalithi ephezulu.

Uyini umehluko phakathi kwe-smart TV ne-digital TV?

Isingeniso

Ezweni elithuthukayo ngokushesha lobuchwepheshe bezokuzijabulisa, amathelevishini abe nezinguquko eziphawulekayo. Namuhla, lapho abathengi bengena emhlabeni wokuthenga ithelevishini, bavame ukubhekana nokukhetha phakathi kwama-smart TV nama-TV edijithali. Nakuba bobabili bekwazi ukuletha okubonwayo - kwekhwalithi ephezulu, ukusebenza kwabo okubalulekile nezici kuhluka kakhulu. Ukuqonda lo mehluko kubalulekile ukuze wenze isinqumo sokuthenga unolwazi.

Ukuchaza ama-TV edijithali

Ama-TV edijithali amele ukuvela kwezinhlelo zethelevishini ze-analog, ebeziyindinganiso amashumi eminyaka. Ukushintshela ekusakazweni kwedijithali kwaletha izinzuzo eziningi, njengekhwalithi yesithombe ethuthukisiwe, umsindo othuthukisiwe, kanye nekhono lokusekela ukusakazwa kwencazelo ephezulu-. Ama-TV edijithali athola amasignali edijithali kungaba ngothi, ikhebuli, noma isathelayithi, okuqinisekisa ukuthi ababukeli bajabulela izithombe ezicace kakhudlwana nokwethembeka okuphelele kwesignali.

Izici Namakhono

Omunye umehluko oyinhloko wama-TV edijithali usekhonweni lawo lokunquma nokubonisa amasignali edijithali njengoba asakazwa abasakazi. Abakhiqizi Bezinsiza Ze-TV Yedijithali bathuthukise lawa madivayisi ukuze enze lo msebenzi ngempumelelo ephezulu, okuqinisekisa ukuhlanganiswa okungenamthungo namazinga okusakaza anamuhla. Nokho, i-TV yedijithali isebenza ngokuyinhloko njengeyunithi ezimele enezinketho ezilinganiselwe zokuxhuma. Nakuba isebenza kahle kakhulu ekubukeni okuqukethwe okusakazwayo, ukusebenza kwayo kuvame ukuphelela ekwamukelweni kwalawa masignali ngaphandle kokuthi ithuthukiswe ngezisetshenziswa zangaphandle ezengeziwe ezifana nesethi yedijithali-amabhokisi aphezulu noma izidlali zemidiya.

Ukuqonda ama-Smart TV

Ama-Smart TV, ngakolunye uhlangothi, ahlanganisa ukusebenza kukamabonakude wendabuko nokuxhumana nobuchwepheshe bekhompuyutha. Lokhu kuhlanganiswa kuvumela abasebenzisi ukuthi bafinyelele uhlu olubanzi lokuqukethwe ku-inthanethi, ukusakaza izinsiza, ngisho nokuphequlula i-inthanethi besuka ku-TV. Ama-Smart TV afika ahlonyiswe ngamakhono akhelwe - ngaphakathi kwe-Wi-Fi, awenza akwazi ukuxhuma kalula kumanethiwekhi asekhaya. Eziningi ziphinde zakhelwe ngezindawo zokusebenzelana ezisebenziseka kalula-nobungane kanye nezinhlelo zokusebenza ezifakwe ngaphambilini, ezihlinzeka ngomuzwa wokuzijabulisa ophelele.

Ukusebenzisana Okuthuthukisiwe nezici

Inzuzo eyinhloko ye-smart TV isezicini zayo ezisebenzisanayo. Abasebenzisi bangalanda izinhlelo zokusebenza, bafinyelele amavidiyo aku-inthanethi namalabhulali omculo, futhi basebenzise imiyalo yezwi noma ukuthinta ukuze balawule umuzwa wabo wokubuka. Amasistimu okusebenza ngaphakathi kwama-smart TV avuselelwa njalo, ahlinzeka ngezinhlelo zokusebenza ezintsha kanye nokusebenzelana okuthuthukisiwe komsebenzisi. Ngaphezu kwalokho, amanye ama-smart TV afaka ikhono lokuhlanganisa ikhaya elihlakaniphile, eliwavumela ukuthi axhume futhi axhumane namanye amadivaysi ahlakaniphile ngaphakathi kwendawo yasekhaya.

Ukuqhathanisa Nokucatshangelwa

Uma ukhetha phakathi kwe-smart TV ne-TV yedijithali, isinqumo sincike kakhulu kulokho okuthandwa ngumbukeli kanye nezidingo. I-TV yedijithali ingase ilungele labo ngokuyinhloko ababuka okuqukethwe okusakazwayo futhi badinga ukuzizwisa okuqondile, okuphezulu - kokubuka ngaphandle kwezici ezengeziwe ezihlinzekwa ngoxhumo lwe-inthanethi. Ngokuphambene, i-smart TV ifanele tech-abasebenzisi abanolwazi abafuna ihabhu lokuzijabulisa elisebenzisanayo neliguquguqukayo, elihlinzeka ngamasevisi okusakaza-bukhoma, ukuphequlula i-inthanethi, nokusetshenziswa kohlelo lokusebenza.

Isiphetho

Sengiphetha, womabili ama-smart TV nama-TV edijithali anendima ehlukile ohlelweni lwesimanje lokuzijabulisa. Nakuba ama-TV edijithali egxile ekuletheni ikhwalithi yokusakaza ephakeme nokuthembeka, ama-smart TV ahlinzeka ngohlu olubanzi lwezici ezisebenzisanayo nezinketho zokuxhuma. Ukhiye wokwenza ukukhetha okulungile ulele ekuhloleni imikhuba yokubuka yomuntu ngamunye, ukubaluleka kwamasevisi asekelwe ku-inthanethi, kanye nezinga elifiswayo lokusebenzelana. Njengoba ubuchwepheshe buqhubeka buthuthuka, lo mehluko ungase uvele, nokho umehluko obalulekile uzoqondisa abathengi ekukhetheni ithelevishini evumelana kangcono nezidingo zabo.

Shiya Umlayezo Wakho