Zosintha Ndi Zowonjezera Kwa Kufalitsa TV - Fufuzani momwe Zingakhudzire Inu
TV Mu Masiku Olondola
Kodi ndinu wamkulu wokwanira kukumbukira pamene kuyang'ana TV kunali kosavuta? Zonse zomwe mumayenera kugula kugula TV, kugwirizanitsa makutu a kalulu, kapena antenna panja, kutembenuza TV popanda kugwiritsa ntchito kutali, sankhani imodzi mwa njira 4 kapena 5 zapanyumba, ndipo mwakhazikitsidwa kuti mupite.
Komabe, kulandira mapulogalamu a pa TV anayamba kusintha kumayambiriro kwa zaka za m'ma 1960 ndi kukhazikitsa TV ndi pay-per-view TV, zomwe zinapereka njira zambiri zosankha ndi njira zowonera mapulogalamu, komanso zimafuna bokosi lina (kuphatikizapo ndalama zina). Kenaka, pakati pa zaka za m'ma 1990 satesi ya TV inayamba kupezeka, zomwe zinapereka njira ina yopezera mapulogalamu a TV (ndikufunanso ndalama zina).
Komabe, ngakhale kuti ndalama zowonjezera zowonjezera zowonjezera, onsewa ndi ma telefoni ndi satellite satana amatha kumva makutu a kalulu kapena antenna panja, kotero anakhala njira yodziwika bwino, makamaka kwa iwo omwe ankakhala m'malo osauka.
Komanso, ngakhale kwa iwo omwe ankakhala m'malo abwino ocherezera, chiwerengero chowonjezeka cha chingwe ndi satana-njira zokha zomwe zimapereka ma pulogalamu, zimapanga chisankho chothandizira kuti zikhale zosavuta.
Komabe, ngakhale kuti sizinali ochuluka, panali owona ambiri omwe adalandirabe gawo lina la mapulogalamu awo a TV kudzera mu antenna - ndipo, kwa owonawo, zinthu zidzasintha.
Digital Digital Transition
Pakati pa zaka za 2000, FCC (Federal Communications Commission) inalengeza kuti pa June 12, 2009 onse ma TV adzatembenuka kuchokera ku analog kupita ku digito. Izi zikutanthauza kuti ma TV ambirimbiri akugwiritsidwa ntchito sakanatha kulandira zikwangwani zofalitsa ma TV pamtunda, popanda kuwonjezera kwa bokosi lowonetsera lachilendo. Ngakhale kuti olemba ma CD / satana omwe adapereka satana sanakhudzidwe poyamba, owona aja omwe amagwiritsa ntchito antenna kulandira gawo limodzi la mapulogalamu awo a TV anali.
Izi zinatanthauzanso kuti "DTV Transition" inapatsa ogula "mwayi" wogula ma TV atsopano omwe sanangowonjezera kulandira mawonekedwe atsopano a ma TV, koma anathandizanso kuti akwaniritse ndi kuwonera mapulogalamu a TV pa High Definition pa 16x9 gawo chithunzi.
Kufunika Kwambiri Kusintha
Nyuzipepala ya Digital TV broadcast system yomwe imatsatira ndondomeko yomwe inakhazikitsidwa ndi kusungidwa ndi ATSC (Komiti Yoyang'anira Televivoni Yapamwamba) ndipo ikutsogoleredwa ndi FCC (Federal Communications Commission) yakhala yolimba kuyambira 2009. Komabe, pasanathe zaka khumi kuchokera pamene anavomerezedwa, tsopano ikugwiritsidwa ntchito.
Maofesi a ATSC amasiku ano amapereka makanema a pa TV omwe ali ndi mphamvu zotumiza mapulogalamu a TV pamasankho 18 osiyanasiyana kuyambira 480i mpaka 1080p. Komabe, ngakhale makina onse opangidwa ndi ma HDTV ndi ma TV 4K a HD HD kuyambira pamene kusintha kwa DTV kuli kovuta kumatha kulandira makanema pa TV zonse 18, koma 720p ndi 1080i ndizogwiritsidwa ntchito nthawi zonse ndi malo ndi intaneti malo opatsirana.
Ngakhale izi ndi zabwino kwa iwo omwe ali ndi 720p kapena 1080p HDTVs, eni ake omwe alipo 4K Ultra HD TV akusintha pang'ono.
Izi zili choncho chifukwa pali kuchuluka kwa ma TV ndi mafilimu a 4K omwe amaperekedwa kudzera mwachindunji, makina, sateteti , ndi ma CDs a HD Blu-ray / magwero a osewera.
Komabe, pakapita mapulogalamu a pa TV kuchokera pazithunzithunzi zazikulu, ma channel, komanso njira zambiri zamagetsi, ngakhale pa 4K Ultra HD TV, owona akulandirabe chizindikiro cha 720p kapena 1080i (monga tafotokozera pamwambapa), ngakhale zizindikiro zimenezo zimatumizidwa kudzera pa chingwe kapena satana. Mwachilankhulo china, zomwe mumawona pawindo kuchokera pawunivesite yotchuka kwambiri, chingwe, ndi satana zimatulutsidwa kuti zifanane ndi nambala kapena pixelisi zowoneka pawindo la 4K Ultra HD TV.
Lowetsani ATSC 3.0 NextGen TV
Kuti muyende mofulumira ndi machitidwe odulira chingwe komanso kupita patsogolo kwa ma TV 4K Ultra HD ndi ma 4K, ATSC, patatha zaka zingapo za chitukuko, tsopano ikukwaniritsa sitepe yotsatira pa TV, yomwe tsopano imatchedwa ATSC 3.0 "NextGen TV", yomwe cholinga chake ndichobwezeretsa dongosolo lino.
ATSC 3.0, pakagwiritsidwa ntchito, ikuyembekezeredwa kuti ikhale ndi imodzi, kapena yambiri, ya zotsatirazi:
- Kupititsa patsogolo ma TV pa mapulogalamu a TV mu 4K chisankho, komanso HD ndi SD (digito) simulcasting luso.
- Kuphatikizidwa kwa HDR ndi Mtundu Wambiri wa Gamut.
- Kugwirizana kwa makanema oposa 120fps mavidiyo.
- Mphamvu yofalitsa Immersive Audio, nyimbo zambiri zamalankhulidwe, ndi zina zowonjezera mauthenga.
- Chidziwitso chenicheni cha chidziwitso cha 3D.
- Kuphatikizidwa kwa pulogalamu yowonjezera-mlengalenga ndi yotambasula ya mapulogalamu ndi zina zowonjezera kwa zipangizo zamagetsi ndi zothandizira intaneti. Mwa kuyankhula kwina, chithunzi choyambirira ndi kujambulidwa kwachinsinsi zikhoza kuchitika pamtunda, pomwe zina zowonjezera zokhudzana ndi zomwe zilipo zingaperekedwe kudzera mwachinsinsi. Izi zikhoza kupereka opanga mauthenga kuti athe kuwonjezera "sewero lachiwiri" ndi zochitika zina pamene akuwona mapulogalamu ena a TV.
- Ndondomeko Yowunika Yowopsa ya nyengo, masoka achilengedwe, kapena zochitika zina zofunika.
ATSC 3.0 Zopindulitsa
Ngati zonse zomwe zatchulidwa pamwambazi zikuphatikizidwa, izo zikanakhala zowonjezereka kwambiri kwa opanga ma TV pazinthu zonse za vidiyo ndi ma audio, komanso zomwe zimakhala bwino. Izi zikanawaika pambali ndi mitundu ina yazinthu zowonjezera za 4K ndi intaneti zomwe zikupezeka pakalipano zomwe zikupezeka kudzera mwa othandizira ena.
Chinthu china chofunikira kuwonetsera, ndi chidwi chowonjezeka pa "kudula chingwe" ndi ogula. "Kudula kondomu" kumamasula anthu owona kuti asamalire chingwe ndi chingwe ndi satana zomwe samafuna ndikudalira kwambiri pa intaneti ndi ufulu pazinthu zowonetsera TV ndi zowonongeka. Powonjezera 4K, ndi zina zomwe zimaperekedwa ndi ATSC 3.0, kudula mkanda kungakhale kokongola kwambiri.
ATSC 3.0 Zopinga Zowonjezera
Ngakhale kukhazikitsidwa kwa ATSC 3.0 kumalonjeza kupereka bwinoko, ndikumasinthasintha, kuyang'ana kwa TV kumapitabe patsogolo, kumatanthauzanso kusintha kwakukulu kwa ogula malingana ndi momwe TV zawo zatsopano zikugwirira ntchito.
Pamwamba pake, monga ATSC 3.0 ikugwiritsidwa ntchito, dongosolo la sasa la DTV / HDTV lofalitsa lidzapitiriza kugwiritsidwa ntchito poyendetsa kwa kanthawi, kotero ma TV kapena makono anu omwe sakhalapo tsopano sadzakhala opanda ntchito kwa kanthawi - simungathe athe kupeza zofunikira zomwe amapereka ndi ATSC 3.0. Zomwezo zinagwiritsidwa ntchito pa zizindikiro za analog TV zaka zingapo kuti DTV isanathe.
Komabe, ataona kuti pali ma TV omwe amagwiritsidwa ntchito omwe amaphatikizidwapo ndi ATSC 3.0, nthawi-yotsimikiziridwa kuti malo omwe ATSC 3.0 okhawo angagwiritsidwe ntchito.
Nthawi yodulidwayo ikafika, izi zikutanthauza kuti eni ake omwe ali otsala, HD, ndi onse omwe si ATSC 3.0 omwe akugwiritsidwa ntchito a Ultra HD omwe akugwiritsidwabe ntchito panthawi imeneyo adzafunika kukhala ndi mawonekedwe apansi (mwina ngati bokosi la stand stand alone kapena kumangiriza kudzera pa HDMI kugwirizana ) kuti mulandire mapulogalamu a pa TV ndi a m'dera lanu ponseponse.
Mabokosi akunja kapena mapulogalamu ena opangira plug amayenera kulandira ndi kutsika pansi ma TV ATSC 3.0 kwa omwe ali ndi mafilimu a analog, 720p, kapena ma TV 1080p, koma, mwachiyembekezo, angapereke chiganizo cha 4K cha eni ake a 4K Ultra HD TV kuti Sungakhale ndi chojambulira cha ATSC 3.0 chokha.
Kuphatikizanso, opereka chingwe ndi satana angaperekedwebe kuti azigwirizana ndi omwe ali nawo omwe alibe ma TV omwe amatha nthawi yayitali.
Kumene ATSC 3.0 Ikugwiritsidwa Ntchito
South Korea yakhala ikutsogolera kulandidwa kwa ATSC 3.0. Anayamba kuyesa nthawi zonse mu 2015, ndipo kuyambira mwezi wa May 2017, adalengeza kuti ma TV ake akuluakulu atatu ndi okonzeka kutumiza ATSC 3.0 nthawi zonse mumidzi yambiri. Kuwonjezera pa chithandizo cha TV ku South Korea, makampani opanga TV, amachititsa ma TV kukhala ndi makina opangidwa ndi ATSC 3.0.
Kwa US, zinthu zikuyenda mofulumira. Mu 2016, ATSC 3.0 inachotsa kalasi yoyamba ndi kuyesedwa kwanthawi zonse ndi WRAL-TV ku Raleigh, NC.
Alvia Alert! WER-TV nayenso inali TV yoyamba yofalitsidwa mu HD mu 1996 - zaka 13 isanayambe 2009 ya DTV Transition.
Ngakhale kuti ogula alibe mwayi wopeza mafilimu oyambirirawa, akupereka opanga TV ndi opanga makanema a TV kuti athe kuyesa zigawo zonse zofalitsa zomwe akugwiritsira ntchito, komanso zipangizo zovomerezeka / zojambula zovomerezeka zomwe zidzafunike kuti ziphatikizidwe ku Ultra HD Ma TV akupita patsogolo.
Ngati zonse zikuyenda bwino, mukhoza kuwona pang'onopang'ono kuchoka kwa ATSC 3.0 m'ma TV onse, ndi ma TV, kuyambira kumapeto kwa 2017. Komabe, panthawi imene ATSC idzayendetsere kwathunthu ku ATSC 3.0 ikhale yokhazikika - ndizoganiza za wina - mwina 2020.
Mfundo Yofunika Kwambiri
Kusintha kuchokera ku ma TV oterewa a ATSC 3.0 ndithudi ndi ntchito yayikulu yomwe idzakhudza onse opanga ma TV ndi ogula.
Mavuto kwa opanga mauthenga akuphatikizapo ndalama zazikulu komanso zofunikira. Mwachitsanzo, panthawi ya kusintha, ambiri opanga ma TV adzayang'aniridwa panthawi yomweyi komanso njira zatsopano, zomwe zidzafunikire zofalitsa ndi njira zosiyanasiyana. Monga gawo la kusintha, malo ambiri amayenera kusintha njira ina.
Kwa ogula, zinthu zingasokoneze kwambiri nthawi ya kusintha.
Panthawiyi, ogula adzakumana ndi zochitika m'misika yomwe ili ndi ma TV ambiri monga malo ena omwe angakhale akusinthira ku dongosolo latsopano, pamene ena angakhalebe pa dongosolo lomwe liripo.
Ndiponso, opanga ma TV sakufunika kugwiritsa ntchito zinthu zonse za ATSC 3.0. Amatha kusankha zinthu zomwe amamverera bwino kuti awone omvera awo ndikukwaniritsa chitsanzo chawo cha bizinesi.
Mwachitsanzo, mosiyana ndi zomwe zilipo pakalipano, opanga TV sakufunikira kuyika makina opanga ma TV atsopano kuti alandire mauthenga a ATSC 3.0. Komabe, kuyembekezera kuti mpikisano wothamanga msika udzaonetsetsa kuti zitsatidwe. Mbali ya LG yakhala ikuwonetsa kuti idzakhala ikuphatikizira njira zabwino za ATSC 3.0 m'masewera ake atsopano ku msika wa US panthawi ya kusintha.
Kuti athandizire pa kusintha kumeneku, makampani opanga bokosi la TV akuwonetsa kuti opangira ma bokosi apamwamba adzaperekedwa kwa ogula omwe amawafuna - Komabe, sipadzakhala pulogalamu iliyonse yothandizirapo ya FCC monga momwe anachitira ndi analog-to-2009 -kusintha kwa TV.
Kuonjezerapo, zipangizo zikufunikiranso kugwiritsidwa ntchito momwe makina opangira ma CD ndi satana adzaphatikizidwe ndi dongosolo latsopano lofalitsira la ATSC 3.0 ku mautumiki awo.
ZOYENERA: Mfundo zomwe zili m'nkhaniyi zokhudzana ndi miyezo ya ATSC 3.0, ndi zochitika zomwe zikugwiritsidwa ntchito zimasintha. Zotsatira zake, monga zowonjezera zokhudzana ndi miyezo ndi kukhazikitsidwa, kuphatikizapo pomwe TV zowonongeka ziyamba kupereka mauthenga a ATSC 3.0, komanso kupezeka kwa ma TV okonzeka kulandira chizindikiro cha ATSC 3.0, chikupezeka, nkhaniyi idzasinthidwa.
Bonus Feature: Musakhale omasuka kwambiri ndi ATSC 3.0 - palinso mphamvu kuntchito yomwe ikufuna kudumpha ku 8K! Kuti mudziwe zambiri, werengani lipoti langa: Kusintha kwa 8K - Kupitirira 4K .