Utshintsho luyi-Comin 'KuSasazo seTV - Fumana indlela ongakuchaphazela ngayo
I-TV Kwi-Good Ol & Days;
Ngaba ukhulile ngokwaneleyo ukuba ukhumbule xa ukubukela iTV kuyinto elula? Konke okufuneka uyenze ukuthenga iTV, ukudibanisa iindlebe zomvundla, okanye i-antenna yangaphandle, vula i-TV ngaphandle kokusebenzisa i-remote, khetha enye yeziteshi ezine zendawo okanye ezi-5, kwaye uzimisele ukuhamba.
Nangona kunjalo, ukufumana iinkqubo zeTV zaqala ukutshintsha ekuqaleni kwawo-1960 kunye nokuqaliswa kwe-TV kunye nokuhlawula i-TV nganye, okwenzela ukhetho olukhethiweyo kunye neenkqubo zokubukela iinkqubo, kodwa kwafuneka ibhokisi yangaphandle (kunye nemirhumo eyongezelelweyo). Emva koko, phakathi kwe-1990 ye-TV ye-satellite yabonakala, eyanikezela enye indlela yokufumana iinkqubo zeTV (kwaye ifuna iimali ezongezelelweyo).
Nangona kunjalo, naphezu kweendleko ezongeziweyo zombukeli, zombini i-cable kunye ne-TV ye-satelhi yaphelisa imfuno yeendlebe zogutja okanye i-antenna yangaphandle, ngoko yaba yinto ekhethiweyo ye-antenna, ingakumbi kulabo ababehlala kwiindawo ezingenakwamkelwa.
Kwakhona, nakwabo bahlala kwiindawo ezinamkelekileyo, inani elongezelelweyo lamashishini e-cable kunye ne-satellite kuphela ehlinzeka ngomxholo wenkqubo ye-niche, yenza isigqibo sokubamba i-antenna endala.
Ngakolunye uhlangothi, nangona kungengasona sininzi, bekukho inani lababukeli abalifumana ubuncinci inxalenye yeprogram yabo yeTV nge-antenna-kwaye, kulabo babukeli, izinto ziya kutshintsha kwakhona.
I-Digital Digital Transition
Phakathi no-2000, i-FCC (i-Federal Communications Commission) yamemezela ukuba ngo-Juni 12, 2009 yonke i-TV yokusasazwa iya guquka ukusuka kwi-analog ukuya kwidijithali. Oku kuthetha ukuba izigidi zeTV ezisetyenziswayo azikwazanga ukufumana iimpawu zokusasazwa nge-TV emoyeni, ngaphandle kokungeniswa kwebhokisi yokuguqula yangaphandle-yedijithali yangaphandle. Nangona abaxhasi bekhebuli / ababhaliselwe nge-satellite abazange baphathwe kakubi ekuqaleni, abo babukeli abasebenzisa i-antenna yokufumana ubuncinane inxalenye yeenkqubo zabo zeTV.
Oku kwa kuthetha ukuba "i-DTV Transition" yabonelela "abathengi" ithuba lokuthenga iiTV ezitsha ezingakhange zenze ukufumana amashishini amatshini e-digital, kodwa zenza ukuba bakwazi ukufikelela nokubukela iinkqubo zeTV kwiNgcaciso ephezulu kwi- 16x9 isikrini.
Iimfuneko zokutshintsha ngakumbi
Inkqubo yokusasazwa kweTV ye-Digital, ehambelanayo neenkcukacha ezisekwe kwaye zigcinwe yi-ATSC (iKomiti yeeTeknoloji ezithuthukisiwe) kwaye iphunyezwe yi-FCC (iKhomishana ye-Federal Communications) iye yazinza ngokuqhubekayo ukususela ngo-2009. Nangona kunjalo, ngaphantsi kweminyaka eyi-10 emva kokumkelwa kwayo, ngoku iyakuthatha indawo.
Imigangatho ye-ATSC yangoku ihlinzeka ngabasasazo beTV abakwazi ukuhambisa iinkqubo zeTV kwiimpawu ezi-18 ezivela kwi-480i ukuya ku-1080p. Nangona kunjalo, nangona zonke ii-tuners ezakhelwe kwi-HDTV kunye nee-TV ze-4K ze-HD eziqhelekileyo ukususela ekutshintsheni kwe-DTV kusenokuba namandla okufumana umxholo wokusasazwa kweTV kuzo zonke izigqibo ezi-18, kuphela i- 720p ne-1080i zisetyenziswe ngokuqhelekileyo ngendawo kunye nenethiwekhi izitishi zokuhambisa.
Nangona oku kulungile kulabo abane-720p okanye i-1080p HDTVs, abanini bee- 4K ze-HD ze-HD ze-HD ezikhoyo ziza kutshintshana.
Oku kubangelwa ukuba kukho inani elikhulayo lomthamo we-TV ka-4K kunye nomxholo we-movie okhoyo owanikezwa ngokusasazwa okuzinikeziweyo, ikhebula, i- satellites , kunye ne-disc HD-ray Blu-ray / imithombo yoMdlali .
Nangona kunjalo, xa kufike kwiinkqubo zeTV ezivela kumanethiwekhi amaninzi, iziteshi zendawo, kunye neendlela ezininzi zeekhefri, nakwi-4K Ultra HD TV, ababukeli basenayo ngokwenene bafumana uphawu lwe 720p okanye i-1080i (njengoko kuchazwe ngasentla), nokuba loo miqondiso zithunyelwa nge-cable okanye i-satellite. Ngamanye amazwi, into oyibonayo kwiskrini ukususela kwiisasazo ezininzi, ikhebula, kunye neziteshi zeSatellite zixhaswa ukuze zifanise nenani okanye iipekseli ezikhoyo kwi-screen ye-4K Ultra HD TV.
Faka i-ATSC 3.0 ilandelayo i-TVG
Ukuhamba ngeendlela zokusika intambo kunye nokuqhubeka kwe-4K Ultra HD kunye nomxholo we-4K, i-ATSC, emva kweminyaka emininzi yophuhliso, ngoku igqibe isinyathelo esilandelayo kwi-TV yokusasazwa, ngoku kuthiwa i-ATSC 3.0 (ekwabizwa ngokuba "NextGen TV", ejoliswe ekutshintsheni inkqubo yangoku.
I-ATSC 3.0, xa iphunyezwe, kulindeleke ukuba ifake enye, okanye ngaphezulu, kwezi zinto zilandelayo:
- Ukuhanjiswa kwe-TV kwiprogram yeTV kwisisombululo se-4K, kunye ne-HD kunye ne-SD (idijithali).
- Ukufakwa kwe- HDR kunye neWide Color Gamut.
- Ukuhambelana nokufikelela kwevidiyo ye-120fps.
- Ikhono lokuthumela i-Immersive Audio, iingoma ezininzi zeelwimi kunye nezinye izithuthukisi zomsindo.
- Ukwazi ukuhanjiswa kwe-3D yangempela.
- Ukuhlanganiswa kokusasazwa kwe-air and broadband kwiprogram kunye nomxholo okongezelelweyo kwiinkcukacha eziphathekayo kunye nezixhobo ze-intanethi. Ngamanye amazwi, umfanekiso wesiseko kunye nokuthunyelwa kwesandi kunokwenziwa ngaphaya kwemoya, ngelixa iinkcukacha ezongezelelweyo ezihambelana nomxholo zinokubonelelwa ngokufikeleleka kwexesha elide. Oku kunokunika abapapashwa amandla okongeza "iskrini sesibini" kunye namanye amava xa bejonga ezinye iinkqubo zeTV.
- Uphuculo oluphuculweyo lwe-Emergency Alert System yemozulu, iintlekele zemvelo, okanye ezinye iziganeko ezibalulekileyo.
ATSC 3.0 Iingenelo
Ukuba zonke iinkcukacha ezingentla zicetywayo zifakiwe, ngokuqinisekileyo kuya kuba yinto ebalulekileyo kubaphambili beTV ngokubhekiselele kwividiyo kunye nomgangatho womculo, kunye nezixhobo ezilula. Oku kuya kubabeka kunye nezinye iifom ze-intanethi ye-4K kunye ne-intanethi esekelwe kwi-intanethi ngokufumaneka kwabathengi abathile.
Enye into ebalulekileyo ekuchazeni, yintando eyongeziweyo kwi "intambo yokusika" ngabathengi. "Intambo yokusika" ikhulula ababukeli ekuhlawuleleni i-cable kunye nekhebula kunye neenkonzo ze-satellite abazifuniyo nokuzithemba ngakumbi kwi-intanethi kwaye ikhululekileyo kwimithombo yenkqubo yendawo kunye nenethiwekhi yokubukela iTV. Ngokufaka ii-4K, kunye nezinye iimpawu ezinikezelwa yi-ATSC 3.0, ukusika intambo kungabonakalisa ngakumbi.
I-ATSC 3.0 Imimiselo yokuphunyezwa
Nangona ukuphunyezwa kwe-ATSC 3.0 kukuthembisa ukuphucula okubhetele, kunye nokuguquguquka, amava okubukwa kweTV aya phambili, ithetha enye inguqu enkulu kubathengi ngokweendlela zabo zeTV ezikhoyo ziza kusebenza ngayo.
Kwi-frontside, njengoko i-ATSC 3.0 isetyenziswa, inkqubo yo sasazo ye-DTV / HDTV iya kuqhubeka isetyenziselwa ukudluliselwa ixesha elide, ngoko i-TV yakho okanye i-TV yakho yangoku ayiyi kuphelelwa lixesha - awuyi kuthi bakwazi ukufikelela kwiimpawu eziphambili ezinikezwa ngu-ATSC 3.0. Inkqubo efanayo yaqeshwe kwiimpawu ze-TV zeAnalogog iminyaka emininzi ngaphambi kokuba idlulileyo yeDTV idlulileyo.
Nangona kunjalo, emva kokuba kuthathwa njengokuba kukho ii-TV ezaneleyo ezibandakanya izakhiwo ze-ATSC 3.0, i-date-ezithile iza kusekwa apho izithethe kuphela ze-ATSC 3.0 ziya kusebenza.
Emva kokufika komhla wokunqunyulwa, oku kuya kuthetha ukuba abanikazi be-analog, i-HD kunye nayo nayiphi na i-ATSC 3.0 eyenziwe i-Ultra HD ye-Ultra HD esetyenziswayo ngeli xesha kuya kufuneka ukuba babe ne-tuners yangaphandle (mhlawumbi njengebhokisi elimeleyo okanye unamathele nge- HDMI uxhumano ) ukuze ufumane inethiwekhi kunye neprogram ye-TV yangaphakathi.
Iibhokisi zangaphandle okanye ezinye iiplani ze-plug-in ziza kufumana kwaye zitshintshwe kwi-ATSC 3.0 ezithunyelwe kwi-analog, 720p, okanye kwi-TV ye-1080p, kodwa, ngokuqinisekileyo, iza kubonelela ngezabelo ezine-4K zabanikazi be-4K Ultra HD TV ingenakho i-ATSC 3.0 yongoma eyabo.
Ukongeza, i-cable kunye nabanikezeli be-satellite basenokufuna ukunikezela ngokuhambelana nokuguqulwa kwe-abasebenzisi abangenazo iiTV ezihambelanayo.
Lapho i-ATSC 3.0 isetyenziswa
ISouth Korea ibekwe phambili kwi-ATSC 3.0 yokuwamkelwa. Baqala ukuvavanya ngexesha elizeleyo ngo-2015, kwaye ngo-Meyi 2017, uye wazisa ukuba amanethiwekhi amathathu enomxholo weTV akulungele ukudlulisa ixesha elipheleleyo le-ATSC 3.0 kwiidolophu eziliqela. Ukuxhaswa kwenkxaso yongezwayo yaseMzantsi Korea, umenzi we-TV yaseKorea, uya kwenza iiTV zifumaneke kunye ne-ATSC 3.0.
Kwi-US, izinto zihamba phambili. Ngonyaka we-2016, i-ATSC 3.0 ithathe isinyathelo sokuqala ukuphuma kwilebhu ngokuvavanywa kwexesha elipheleleyo nge-WRAL-TV eRaleigh, NC.
Alvia Alert! I-TV-WASEMATSHINI yayisisiteshini sokuqala se-TV ukusasaza nge-HD ngo-1996-iminyaka engama-13 phambi koTshintsho lwe-DTV ka-2009.
Nangona abathengi abanakho ukufikelela kwezi ntetho zokuqala, kunika abapapasho beTV kunye nabenzi bemidlalo beTV ithuba lokuba bavavanye zombini izinto zokudlulisela umxholo, kunye ne-reception / decoding hardware / firmware eziya kufuneka ukuba zifakwe kwi-Ultra HD IiTV zihamba phambili.
Ukuba konke kuhamba kakuhle, unokubona ukuphuma okufutshane kwe-ATSC 3.0 kwiisiteshini zombini zeTV, kunye neTV, ukuqala ngo-2017. Kodwa ke, malunga nokuba inkqubo ye-ATSC yangoku iya kutshintshela ngokupheleleyo kwi-ATSC 3.0 ibekwe ngokusemthethweni - Ingqiqo-nokuba mhlawumbi malunga ne-2020.
Ngaphantsi
Ukutshintshwa kwe-HDTV ukusasazwa kwe-ATSC 3.0 ngokuqinisekileyo kuyimfuneko ebalulekileyo eya kubachaphazela kakhulu abasasazo bamabonwakude nabathengi.
Imingeni yabasasazo iquka zombini iindleko kunye nemiba yezinto zokusebenza. Ngokomzekelo, ngexesha lesiguqulelo, abaninzi abasasazwa ngeTV baya kujongana nokusasazwa kwindlela zombini kunye neendlela ezintsha, eziya kufuna abaguquli abahlukeneyo kunye neziteshi. Njengengxenye yenguqu, izitishi ezininzi ziya kufuneka zitshintshe kwisiteshi esahlukileyo.
Kubathengi, izinto zingadanisa kakhulu ngexesha lokutshintsha.
Ngethuba le nkqubo, abathengi baya kujongana nemeko kwiimarike ezinezithuba ezininzi zeTV njengoko ezinye izitishi ziza kuhamba ngokufudukela kwinkqubo entsha, ngelixa abanye bangase babekho kwinkqubo yangoku.
Kwakhona, abathamli beTV abafunwa ukuba baqeshe zonke iimpawu ze-ATSC 3.0. Bangakhetha ukuba zeziphi iimpawu abazivelayo zikhonza ababukeli babo kwaye bafanele umzekelo wezoshishino zabo.
Ngokomzekelo, ngokungafani nemigangatho yangoku, abenzi beTV akudingeki ukuba bafake ii-tuners kumaTV amasha ukufumana i-ATSC 3.0. Nangona kunjalo, kulindeleke ukuba uxinzelelo lweemarike zokhuphiswano luya kuthotyelwa ukuthotyelwa. Ngenxalenye yalo, i-LG iye yabonisa ukuba iya kubandakanya ii-ATSC 3.0 ezinokukwazi ukuhamba kwiiTV zayo ezintsha kwiimarike zase-US ngexesha lokutshintsha.
Ukunceda kule nguqulelo, abenzi bebhokisi ephezulu ye-TV babonise ukuba i-tuner add-on tuner iya kufumaneka kubathengi abayidingayo-Nangona kunjalo, ayiyi kuba nayiphina inkqubo yekhuphoni exhaswe yi-FCC njengoko yenziwa ngo-2009 -idigital yenguqu yeTV.
Ukongezelela, ukwakhiwa kwempahla kusekufuneka kusebenze ngendlela i-cable kunye nabanikezeli be-satellite abaza kudibanisa nenkqubo entsha ye-ATSC 3.0 kwiinkonzo zabo zokuqukethwe.
QAPHELA: Ulwazi olukule nqaku malunga nemigangatho ye-ATSC 3.0, iimpawu kunye nokuphunyezwa kuya kutshintsha. Ngenxa yoko, njengengcaciso eyongezelelweyo ngokumalunga nemigangatho nokuphunyezwa, kubandakanywa ukuba izitulo ze-TV zendawo ziza kuqala ukunikezela nge-ATSC 3.0, kunye nokufumaneka kweeTV ezixhotywe ukufumana izibonakaliso ze-ATSC 3.0, ziyafumaneka, eli nqaku liya kuhlaziywa.
I-Bonus Feature: Musa ukukhululeka kakhulu nge-ATSC 3.0 - kukho imikhosi emsebenzini ofuna ukwenza u-8K! Kuzo zonke iinkcukacha, funda ingxelo yam: Isigqibo se-8K - Ngaphandle kwe-4K .