Amathebula we-Satellite: amathiphu okukhetha nokubuyekeza

I-tuner satellite, noma i-receiver, iyisetshenziswa esisetshenziselwa ukuqaphela nokunquma izimpawu zethelevishini ezitholwa ngosizo lwe "amasimbali". Imfuneko eyinhloko yalolu hlobo lwedivayisi ukuqinisekisa ukusabalala okusimeme nokuphezulu kwezinhlelo ze-TV. Ngaphezu kwalokho, kubasebenzisi banamuhla kubalulekile ukusekela umamukeli inamba yemisebenzi ye-multimedia ethuthukile, isibonelo, ikhono lokufinyelela amasevisi enthanethi. Yiziphi izindlela eziyinhloko zokukhetha i-tuners, enqunywa ochwepheshe baseRussia? Ngimaphi amamodeli we-satellite receiver angabhekwa ukuthi athandwa kakhulu eRussia Federation?

Ukukhetha i-tuner yesatellite: imingcele eyisisekelo

Yiziphi izici eziphawuleka kakhulu uma ukhetha idivayisi njenge-tuner yesitsha se- satellite? Okokuqala, kuyisimo esibonakalayo sokudluliselwa kwesignali. Abaningi abamukeli be-satellite banamuhla banombhalo we- digital. Kodwa kukhona amadivaysi e-analog, kanye nalawo asebenzayo uma usebenzisa uhlobo oluhlanganisiwe lwe-interface D2-MAC.

Abasebenzisi abaningi kanye nochwepheshe bakholelwa ukuthi phakathi kwamazinga okumele asekelwe yikhamera yesimanje yedijithali ngu-T2. Okusho ukuthi, amadivaysi kumele ahambisane nesizukulwane sesibili somshini wokusebenza wokunciphisa ukuhambisa okuningi kwe-multimedia.

Okubaluleke kakhulu kusukela ekubukeni kokunikeza ikhwalithi yesithombe kuma-satellite tuners yinto efana ne-satellite position fixing chip, kanye ne-module ye-antenna yokukhetha indawo yokuzenzakalela. Uma i-tuner ye-TV ye-satellite ifakwe i-hardware efanelekayo, umnikazi we-TV uzokwazi ukubuka izinhlelo eziningi.

Esinye isici esiphawulekayo sedivayisi esetshenziselwa ukubaluleka kwendima yama-intermediate band efundwa yi-receiver kusuka kuma-IC aguquguqukayo, okuguqula ama-frequencies aphezulu kakhulu. Ukuphakama kwe-parameter okucatshangwayo, izinhlelo ezingaphezulu ongazibuka ngokusebenzisa i-tuner yeTV izitsha ze-satellite. Ukuhlonipha ngokweqile inani eliphakathi kuka-900 no-2150. Amathebula asethempelini asekela amabhande ahambisanayo ahambisana nenani elikhulu lezinhlobo zokuguqula.

I-criteria yokukhethwa kwe-Tuner: ukubukeka nokuxhaswa kwesikhangisi

Kunezinqubo ezimbalwa kakhulu, ngokusho ukuthi ungakhetha kanjani idivayisi enjalo njenge-tuner satellite. Phakathi kwazo ukubonakala kwedivayisi, kanye nenombolo kanye nezinhlobonhlobo zezixhumi ezisekelwayo. Isici esibalulekile ekukhetheni idivaysi njenge-tuner ye-TV yendiza ye-satellite yibukeka, kanye nokulula kokulawula idivayisi. Kuyinto efiselekayo kakhulu ukuthi umamukeli unesibonakaliso sakhe lapho idatha ehlukahlukene mayelana nemisebenzi yamanje exazululwa yidivayisi izoboniswa. Kubasebenzisi abaningi, isici esibalulekile lapho ukhetha i-tuner kuba khona kwezinkinobho zokuphathwa kwesiteshi, ukulawula ivolumu, nokufinyelela kwemenyu, ngokuqondile kwiphaneli langaphambili ledivayisi. Zingafika kahle uma ngezinye izikhathi i-console ayitholakali.

Njengomthetho, kumamodeli wanamuhla abamukelayo kusukela ohlangothini olungaphambili kukhona isixhumi sokufakwa kwamakhadi okufinyelela iziteshi ezikhokhelwe, ukuxhumana okuhlukahlukene kwe-decoding, amathrekhi e-USB asetshenziselwa ukuxhuma ukushayela kwe-flash kanye ne-drive yangaphandle lapho kuhanjiswa khona ama-TV. Kwiplanethi yangemuva yamukeli kunesifiso esihle kakhulu sokuba nokuxhumana okufana nalokhu:

• I-RS232, esetshenziselwa ukuxhuma idivayisi ku-PC (ngokuvamile evame ukusetshenziswa lapho kubuyekezwa i-firmware yomamukeli).
• I-S / PDIF, esetshenziselwa ukuxhuma i-tuner kumadivaysi ahlukene alalelwayo, kanye nasezinkundleni zaseshashalazini.
• I-HDMI - isikhombimsebenzisi sokudlulisa izithombe ngencazelo ephezulu yokuchaza.

Ngakho-ke, i-TV ene-satellite tuner, enezici ezingenhla, ngokubukeka nokusekelwa kwezixhumanisi ingacatshangwa ngokungahambisani nemikhuba yamanje emakethe yedivayisi, esikhuluma ngayo.

Ukukhethwa kwe-tuner yesitembu: ukusebenza

Iqembu elilandelayo lemigomo yokukhetha idivayisi yalolu hlobo lihlobene nokusebenza kwalo. Yikuphi kubo okufanelwe ukunakwa okukhethekile?

Okokuqala, kuyisimo esisekelwe ukuhanjiswa kwesithombe sethelevishini. Kunesakhiwo "esiyingqayizivele", ochwepheshe abaningi abakubhekisele emsebenzini, kepha kufanelekile, - i-MPEG2, futhi kukhona i-MPEG4 eyengeziwe yezobuchwepheshe. Umehluko omkhulu phakathi kwabo yisinqumo sesithombe esithunyelwe. Ngakho, i-tuner ye-satellite ye-MPEG-4 isekela isithombe se-HD ngaphandle kwezinkinga, kodwa leyo ehambisana kuphela nefomethi ye-MPEG2, ayikwazi neze ukuhlinzeka nge-bitrate edingekayo.

Isici esilandelayo esibaluleke kakhulu sedivaysi esibhekene nayo yilapho kukhona khona i-Ethernet port, lapho idivayisi ingaxhumeka ku-inthanethi, i-PC noma i-LAN. Ngenxa yalokhu msebenzi, izamukeli zingasetshenziswa njengesici esiyingqayizivele engqalasizinda yenethiwekhi, isibonelo, ukunikeza ukufinyelela okwabiwe ekusakazeni.

Abasebenzisi abaningi banamuhla bakholelwa ukuthi i-tuner yabo yesethelaythi kufanele isekele izinga le-CI, elikuvumela ukuba uxhume amamojula wokumisa. Izingxenye zehadiwe ezihambelana nazo zibonakala ngokuhambisana kwazo: zingasetshenziswa ukuthola izimpawu kusuka kokubili ukusakaza okuvulekile nokuvaliwe.

Esinye isici esiphawulekayo somamukeli we-sathalala kuba khona kwedrayivu eyakhelwe ngaphakathi. Isimaphakathi esifanele singasetshenziswa ngokuyinhloko ukurekhoda izinhlelo zethelevishini.

Kodwa kumamodeli amaningi wezamukeli kunconywa ukuthi usebenzise i-disk yangaphandle yangaphandle, engakhelwe ngaphakathi. I-tuner satellite kulokhu ifakwe ifoni ephakeme kakhulu yokuxhuma izingxenye zehadiwe ezihambisanayo, ngokuvamile i-USB.

Eminye imisebenzi ethandwa yamukeli wamanje yilezi:

• Ukusekela okukhethwa kukho ukukhishwa kwamakhadi;
• Ukuhambisana nomsebenzi we-Multiboot, okuvumela ukulayisha idivayisi kokubili ngosizo lwesofthiwe yefektri, kanye ne-interfaces erekhodiwe kumaphephandaba angaphandle;
• I-analyzer ye-Spectrum, evumela ukuthuthukisa inqubo yokuthola ama-satellites, kanye nokuhlelwa kokuthola izimpawu kubo;
• Umsebenzi wezinga lokubheka okungenani kanye nolunye ulwazi mayelana nesithombe esithunyelwe;
• Ukuba khona kwamathuluzi angeziwe, okuvumela ngesikhathi esisodwa ukubuka isiteshi esisodwa bese ubhala enye (noma eziningana);
• Ukutholakala kwekhadi lenethiwekhi yangaphakathi elingenza isiqiniseko sokusebenza kwenethiwekhi yendawo enempumelelo kakhulu;
• Ukusekela ukuxhumana kwe-Wi-Fi;
• Kungenzeka ukudlala amafayela wevidiyo, izithombe namanye amafayela e-multimedia esikrinini se-TV;
• Ukusekelwa kokusakazwa kwe-intanethi kusuka ekubanjweni kwamavidiyo amakhulu.

Kuwusizo kakhulu futhi imisebenzi enjalo yedivayisi njengokukhansela komsindo, isizukulwane semisindo. Ukuba khona kwabo kwenza kube lula ukukhulisa ukudluliswa kwedatha yomsindo nge-satellite. Abasebenzisi abaningi bakholelwa ukuthi abathintekayo be-satellite kumele babe nezinketho ezinjalo njengamanje, ukulawula kwabazali, ukukhishwa kolwazi mayelana neziteshi ezibukweni lwe-TV.

Ngakho-ke, kungenzeka ukuhlukanisa, ukukhuluma ngokucacile, imisebenzi eyisisekelo yabamukeli, kanye nalabo abangakwazi ukuwafaka futhi ngesikhathi esifanayo babe kudingekile ngenxa yemikhuba yamakethe yanamuhla. Noma kunjalo, izinga lokusekelwa kwabo ngqo lithinta izindleko zamadivayisi. Leli phethini livamile kumadivayisi amaningi we-elekthronikhi, hhayi ama-tuners okungafani nawo. Amanani amadivayisi ohlobo olulungile ancike ekutheni ububanzi bobuchwepheshe abawasekelayo.

Kubiza kangakanani isamukeli se-satellite? Amamodeli angamanje amadivaysi ohlobo olufanele abiza ama-ruble angu-3-7 ayizinkulungwane. Kunamamodeli abizayo kakhulu - ama-ruble ayizinkulungwane ezingu-10. Kukhona amadivayisi weklasi ye-premium yama-ruble ayizinkulungwane ezingu-30 nokuningi. Njengoba kuphawuliwe ochwepheshe abaningi, umehluko emanani phakathi kwabamukeli bemikhiqizo ehlukene, ngokuvamile, kunengqiqo ngokucabangela imisebenzi esekelwa imodeli ngayinye ye-tuner, ikhwalithi yomhlangano wedivayisi, kanye nezinga lobuchwepheshe olwenziwa kuyo.

"Iron"

Enye iqembu lezinketho zokukhethwa kwe-receiver yizici ze-hardware, izingxenye ze-hardware ezibhekene nokusebenza kwedivayisi. Phakathi kwalezi yijubane lewashi le-processor. Ezinhlobonhlobo zanamuhla, okuyiphi i-satellite high-definition ithelevishini isakaza, ukutholakala kwamapipi okusebenza ku-400 MHz nangaphezulu kuyadingeka. Isici esibalulekile ekusebenzeni kwe-tuner yi-RAM. Kuyinto efiselekayo ukuthi ingaphezu kuka-256 MB.

Isofthiwe

Abakhiqizi banamuhla bama-satellite receiver bafake izinhlobo ezihlukahlukene kakhulu ze-firmware emadivayisi akhululwe. Phakathi kwezinto ezithandwa kakhulu yizo ezisekelwe kwi-kernel ye-Linux. Inzuzo enkulu yiyona ndlela yokuqeda isofthiwe ehambisanayo ngenxa yokuvuleka kwayo. Futhi, izifundo eziningi zendlela yokusetha i-tuner satellite zivame ukwenziwa ngokulindela ukuthi idivayisi esetshenziswe ngumfundi efakwe njenge-Linux OS. Le-OS ivumela abathuthukisi be-software kumadivayisi ohlobo olumbuzo ukuba abe nama-plug-ins ahlukile. Ngaphezu kwalokho, ikhono lokulungisa ikhodi yesofthiwe ye-OS efakwe kumamukeli yenza kube lula ukulungiswa kwamathuluzi we-satellite.

Ama-Best tuners: ukubuyekezwa kwama-brand

Cabanga manje ukuthi yiziphi izimpawu ongazikhomba lapho ukhetha umamukeli. Okuthandwa kakhulu eRussia kungenziwa amadivayisi, okukhiqizwa yizinkampani ezifana nalezi:

• I-Openbox.
• I-World Vision.
• I-GI.
• I-Satellite Satellite.

Masifunde imininingwane yabo ngokuningiliziwe.

Ama-Openers tuners: izici eziyinhloko

Ama-tuners amahle anikezela i-Openbox brand emakethe. Phakathi kokuguqulwa okuvame kakhulu kwamukeli walo yi-X 800/810/820. Le divayisi ibonakala ngezindleko eziphansi nokusebenza okuhle. I-tuner yesibhakabhaka ekukhulunywe ngayo isebenza nezixhumanisi ze-DVB-S. Ngamadivaysi omsizi ombuzo, ungakwazi ukubuka kahle i-satellite satellite kusukela kwabanikezeli beRussia abadume kakhulu, njenge-NTV Plus, i-Rainbow, kanye no-Tricolor. Idivayisi ingaxhunyaniswa kwikhomputha, kanye ne-router.

Enye umugqa ophawulekayo wezintambo ze-satellite kusuka ku-Openbox kukhona amadivaysi elayini le-S5 / S7 / S8. Yiziphi izici zabo eziphawulekayo?

Okokuqala, kufanele kuqaphele ukuthi abasebenzisi be-satellites bale chungechunge bangasebenza esimisweni se-DVB-S2 bese beveza isithombe kwifomethi ye-HDTV. Ungabuye uqaphele ukuthi amadivaysi alolu chungechunge afakwe ama-disks anzima.

I-SX4 Base HD satellite tuners iyasebenza futhi inokwethenjelwa kusuka kulo mbuzo obhekene nawo. Phakathi kwezici zayo eziphawuleka kakhulu - ukutholakala kwamandla okuzakhela ngaphakathi, okwenza ubukhulu bwedivayisi bukhulu kunamanye amamodeli amaningi. Idivayisi isekela uxhumano lwe-intanethi nge-port Ethernet. Ngaphezu kwalokho, ungasebenzisa i-adaptha ye-Wi-Fi, exhuma kwi-USB-port. Ayikho imodemu ye-Wi-Fi eyakhelwe ngaphakathi kumamukeli. Idivayisi ilawulwa yi-Linux OS, ngakho-ke abakhiqizi be-software ekhethekile yezimpendulo bangadala ama-plug-ins adingekayo kudivayisi. I-tuner isekela isixhumi se-HDMI ku-version 1.4a, sinomsebenzi wokuqopha ukusakaza.

Ama-Openers tuners: abasebenzisi bathini?

Kuzoba usizo kakhulu ukutadisha imibono yabanikazi be-satellite abamukelayo ngekhwalithi yamadivayisi. Njengoba abalandeli be-elekthronikhi yezinhlamvu ezifanayo, ezinye zezinhlobo ezintsha ze-Openbox tuners azisekeli ama-emulator athandwayo. Kodwa-ke, isidingo salokhu msebenzi sincane, ngokusho kochwepheshe abaningi. Phakathi kwamandla abamukeli be-Openbox, okuphawulwe abasebenzisi, inani lentengo elingathengi (ngaphandle kwamanye amamodeli, isibonelo, i-SX Base HD), ukulawula okunethezeka, ukuklama kwanamuhla, ukwesekwa kwenani elikhulu lamachibi elimelelwe ezihlukahlukene ezihlukahlukene, i-console elula, isofthiwe yokudlala jikelele Amafayela.

I-World Vision: Izinzuzo eziyinhloko nokuphendula

Omunye umkhiqizo odumile eRussia ungumkhiqizi we-satellite receiver - World Vision. Phakathi kwezinto eziphawulekayo zezinsimbi ezikhiqizwa yile nkampani yidivayisi engu-S718 CI +. Yiziphi izici zayo?

Okokuqala, ama-satellite tuners ekuhambeni okufanelekile okusekela ama-CI + modules, okungukuthi, lawo asetshenziselwa ukuhlela ukufinyelela okunemibandela. Idivayisi ebuzwayo ayisekeli amazinga afana ne-DVB-T2, kodwa ngokwenza lokhu lokhu kungase kungadingeki, njengoba abahlinzeki abaningi banamuhla, isibonelo, "Tricolor", sebenzisa amakhadi okufinyelela okunemibandela. Enye indlela ephawulekayo yedivayisi ebuzwayo yikhono lokuvuselela isofthiwe nge-USB 2.0 port. Ngesixhumi esihambelanayo, umsebenzisi angakwazi futhi ukuxhuma amadivayisi wesitoreji angaphandle kumamukeli, lapho ukusakazwa kungabhalwa khona. Umsebenzi ohambelanayo ungomunye walabo abasebenzisi abalinganiselwa ekubuyekezweni kwabo njengenye yezinto eziwusizo kakhulu. Kanye, ikakhulukazi, ngezici ezinjengokulawula okude okulula, kanye nekhwalithi ephakeme yokuhumusha isithombe.

Abamukeli be-GI: izinzuzo eziyinhloko nempendulo

Umkhiqizo olandelayo odumile eRussia, okhiqiza ama-satellite tuner, yi-GI. Phakathi kwezithombe ezivame kakhulu emakethe yaseRussia, okukhiqizwa yile nkampani, isamukeli S8120.

Inzuzo yalo enkulu ukusekelwa kobubanzi obubanzi bemisebenzi. Ikakhulukazi, ikhono lokusebenzisa inamba enkulu yezinhlelo zokusebenza ze-intanethi. Isibonelo, labo okuvumela ukuthi ufinyelele kumasevisi we-Google Amamephu, i-YouTube. Ukuxhumana kudivayisi ye-Inthanethi kungenziwa ngokusebenzisa ikhebula le-Ethernet noma i-modem exhunywe nge-USB port. Abasebenzisi bahlola idivayisi kusuka ku-GI njengokunethezeka ekuphatheni, ukusebenza, okubonakala ngekhwalithi ephakeme yokwakha nokusebenza okuzinzile.

Abamukeli be-General Satellite: izici eziyinhloko nezibuyekezo

I-General Satellite brand iphinda ikhiqize ama-tuners asebenza kahle futhi asebenzayo. Amadivayisi akhe athandwa kakhulu ngabathengi be-Tricolor futhi anconywa ngempumelelo yilo mhlinzeki.

Phakathi kwamamodeli athandwa kakhulu eRussia Federation yamadivayisi ahambisanayo yi-GS U510. Inzuzo yalo enkulu ihambisana nokubili ukusakazwa kwethelevishini nezendabuko zethelevishini. Okokuthi, lo mkamukeli uvumela ukuthi ulawule kokubili izinhlobo zeziteshi. Izinzuzo eziyinhloko ze-tuner ezivela kubasebenzisi jikelele be-Satellite Satellite zibiza umklamo omuhle, ikhwalithi ephakeme yokwakha, ukuphathwa okulula, ukusebenza. Ungakwazi ukuxhuma i-hard drive yangaphandle kudivayisi.