Ngenkqubela ephezulu (HDTV) enokufumaneka ngakumbi ngosuku, kubalulekile ukwazi izimpendulo kwimibuzo eqhelekileyo.
Ngaba Ingcaciso Ephakamileyo Efana neDajithali?
Ewe kunye no. Inkcazo ephakamileyo yisisombululo esiphezulu sezinga eliphezulu linikezelwa ngaphakathi kwinqanaba le-TV. Idizadidi yedijithali iya kwiifom ezintathu - eziqhelekileyo, eziphuculweyo, kunye nencazelo ephakamileyo. Umgangatho unesisombululo se-480i, ukuphuculwa yi-480p, kunye nencazelo ephezulu yi-720p ne-1080i. Ngoko ke, i-HD iyigrari, kodwa akuyiyo yonke idijithali yi-HD.
Abahlobo bam Bazithengela iziTyhulwa eziPhakamileyo eziPhakamileyo, kodwa Bayazibiza kakhulu. Ngaba Ndiyayifuna Ngempela?
Isidingo somboniso we-HD sinokubakho. Emva kwakho konke, akuyiyo yonke inkqubo eyenziwa kwi-HD, kwaye kukho inkokhelo eyongezelelweyo kwi-HD program. Ukuba ufuna ukuphucula kodwa ungafuni okanye ufuna iimali ezongeziweyo, unokufumana umfanekiso omhle kunye namanye amashishini e-digital (SDTV ne-EDTV). Unokulinda unyaka okanye ezimbini kwaye ubone oko kwenzekayo ngexabiso kunye neenkqubo.
Ingakanani Incazelo Ephakamileyo YeThelevishini Indleko, kwaye Ngubani Owenzayo?
Uninzi lwabathengisi bamabonwakude benza ii-HDTV kwiindlela ezahlukeneyo. Unokuthenga i-HD kwiibhubhu, ukubonakala kwe-CRT kwangaphambili, i-LCD, i-DLP, iLCOS kunye ne-Plasma. Amanani ahlukeneyo ngokuxhomekeka kubukhulu bezithombe kunye nobuchwephesha obusetyenziswayo, kodwa umyinge wexabiso lentengo yi-$ 500 kwi-CRT encinane yokubeka iliso ukuya phezulu ukuya kwii-20,000 zamawaka ngeyona ndlela yakutshanje kwezobuchwepheshe bePlasma.
Ingaba kufuneka ndibhaliselwe kwiChethern / Satellite ukuze ndifumane i-HDTV?
Akunjalo, amaninzi amanethiwekhi enxulumene ne-United States asele athumele iimpawu eziphezulu eziphezulu kwi-air. Into oyifunayo yi-HDTV ene- tuner eyakhelwe ngaphakathi, kunye ne-HD Antenna ukucacisa uphawu. Nangona kunjalo, ukuba ufuna ukufumana isignali se-HD esingekho esasazo (TNT, HBO, ESPN), kuya kufuneka ufumane ipakethe ye-cable / satellite ye-HD.
Ngaba I-Cable / I-Satellite My Provider inikeza i-HDTV? Ukuba kunjalo, Yintoni endiyifunayo?
Uninzi lwababanikeli bekhebula / i-satellite banikela uhlobo oluthile lwenkqubo yokucacisa ephakamileyo. Ngokuqhelekileyo, bahlawula umrhumo owongezelelweyo kwaye bafuna ukuba urente okanye uthenge i-receiver definition. Nangona kunjalo, unokunciphisa iindleko zakho zenyanga ngokuthenga i-HD yomkeli kwiindawo zokuthengisa kunye ne-intanethi. Ukufumana imigaqo yokusetyenziswa kunye neendleko, qhagamshelana nomboneleli wakho wendawo / i-satellite.
Ndikho i-HDTV Iphakheji enikezwa nguWeb Cable / Satellite Provider, kodwa uDon & # 39; t Thola i-Hd Signal. Yintoni eyenza?
Ufumene umqondiso kodwa unganakho ukufumana izixhobo ukuwufumana. Okokuqala, qinisekisa ukuba unomxholo ophezulu we-TV kunye nomkeli. Ukuba kunjalo, thola izithuba zeHD kwi-programming layout njengoko iziteshi zihlukaniswe phakathi kwe-HD kunye nee-HD. Kwakhona, qinisekisa inkqubo obukeleyo inikwe kwi-HD. Iimpawu ezininzi ze-HD ziqhuba uphawu olungenaye i-HD xa lubonisa inkqubo engekho ye-HD. Kwakhona kubalulekile ukuba uqaphele ukuba ungadinga ukuhlola iinkqubo zakho zokufowunelwa ukuqinisekisa ukuba kusekwe kwi-1080i okanye 720p. Ukuba ku-480p, ngoko awubukeli i-HDTV nangona inkqubo inikwe kwi-HD njenge-480p yisisombululo sencazelo ephuculweyo.
Luhlobo luni lweNkqubo ehanjiswa kwi-HD?
Inkqubo iyahluka ukusuka kwisikhululo ukuya kwisikhululo, kwaye nceda uqaphele ukuba akuzona zonke izikhululo zethelevishini ezibonisa iinkqubo eziphezulu zokucacisa. Ezinye zeendlela ezinkulu ezithumela inkqubo ye-HD ziquka amanethiwekhi amane asasazo okusasazwa, i-TNT, i-ESPN, i-Discover, i-ESPN, ne-HBO.
Yintoni i-720p kunye ne-1080i?
Xa ubukela umabonwakude, umfanekiso owubonayo uqulethwe ngamaninzi amaninzi ngokuzimela. Beka ndawonye, baqamba umfanekiso kwiskrini. I-Interlaced kunye neenkqubela phambili zizo zombini iindlela zokuskena ezisetyenzisiweyo. Imizila yesisombululo iyahluka kwii-televisions zedijithali-480, 720, kunye no-1080. Ngoko ke, isisombululo somabonakude sichazwa yimigca kunye neentlobo zokuskena. Isisombululo se-720p yithelevishini kunye nemigca engama-720 ecatshulwa phambili. Isisombululo esingu-1080i sinemigqa e-1080 elandelwayo. Icala ngecala, ukukhangela okuqhubekayo kuya kubonisa umfanekiso ocacileyo kunokuba ungene kwi-interlaced, kodwa uya kuqaphela inkqubo enkulu ye-HD iboniswa kwisisombululo esingu-1080i.
Yiyiphi Imilinganiselo Yobunjani Ingcaciso Ephakamileyo Ezayo?
Isalathisi esicacileyo esiphezulu siyadluliselwa kwisilinganiselo se-16: 9. I-16: 9 yaziwa nangokuthi yesikrini esiphezulu okanye i-letterbox - njengesikrini kwiimidlalo zemafilimu. Unokuthenga iithelevishini zenkcazo ephakamileyo kunye nomgangatho osemgangathweni (4: 3) okanye ubungakanani bombala obanzi. Ngokwenene, yinto yokukhetha, nokuba uthanda isikrini okanye isiqhotho esixandekileyo. Uninzi lweprogram lungenziwa ifomathi ukuba ifanelane naluphi na umlinganiselo owukhethayo.