Kuchinja Kuve Kuuya 'KuTV Broadcasting - Tsvaga Kuti Ingakubatsira Sei
TV In The Good Ol & # 39; Days
Iwe wakwegura zvakakwana kuti uyeuke apo kutarisa kweTV kwaive kuri nyore here? Zvose zvaunofanirwa kutenga terevhizheni, kuunganidza dzimwe hura dzekunze, kana antenna yekunze, tora TV kunze kwekushandisa kure, sarudza imwe yepamusoro 4 kana 5 makero emunharaunda, uye iwe wakagadzirirwa kuenda.
Zvisinei, kugamuchira purogiramu yeTV yakatanga kushanduka pakutanga kwema1960 nekusvitsa kabhadhi uye kubhadhara-per-view TV, iyo yakapa mamwe magetsi ekusarudza uye zvirongwa zvekuona zvirongwa, asiwo yaida bhokisi rekunze (pamwe chete nemari inowedzera). Zvadaro, pakati pe1990 terevhizhini yeTV yakawanikwa, iyo yakapa imwe sarudzo yekugamuchira zvirongwa zveTV (uyewo inoda mari yakawedzerwa).
Zvisinei, pasinei nezvakawedzerwa mari kune muoni, zvose zviri kabhadhi uye sataneti TV zvakabvisa kudiwa kweavo maitiro erugi kana antenna yekunze, saka yakava shanduro yakakurumbira yeantenna, kunyanya kune avo vaigara munzvimbo dzisina kugamuchirwa.
Uyewo, kunyange kune avo vaigara munzvimbo dzakanaka dzinogamuchirwa, kuwedzera kwenhamba yekambani-uye satellite-nzira chete inopa niche zvirongwa zvekuita, yakagadzirisa kutora pasi iyo antenna yakare nyore nyore.
Kune rimwe divi, kunyange zvazvo risati riri runyararo, pakanga pane nhamba yakawanda yevatariri vakanga vachiri kugamuchira chikamu chemaitiro avo eTV kuburikidza ne antenna - uye, kune avo vanoona, zvinhu zvaizochinja zvakare.
The Digital TV Transition
Mumakore ekuma2000, FCC (Federal Communications Commission) yakashuma kuti musi waJune 12, 2009 mhepfenyuro yese yeTV yaizoshandura kubva kune analogog kusvika kune digital. Izvi zvaireva kuti mamiriyoni emaTV ari kushandiswa akanga asingachakwanisi kugamuchira zviratidzo zveTV kupararira pamusoro pemhepo, pasina kuwedzera kwekunze kweanalog-to-digital converter box. Kunyange zvazvo vakatsaurirwa kabheta / shanduro dzepa satellani vakanga vasina kubatwa pakutanga, avo vaiona vaishandisa antenna kuti vagamuchire chikamu chepurogiramu dzavo dzeTV vaiva.
Izvi zvairevawo kuti "DTV Transition" yakapa vatengi "mukana" wokutenga materevhizheni matsva ayo asina kungobvumira kugamuchirwa kwemashoko matsva eVhidhiyo yeTV, asiwo akakwanisa kukwanisa kuwana uye kutarisa mapurogiramu eTV muDefin Definition pane 16x9 yeruzhinji screen.
Zvinoda Kuwedzera Kuchinja
Digital Digital Broadcast system, iyo inoteerera kutsanangudzo yakasimbiswa uye yakachengetedzwa neATSC (Advanced Television Systems Committee) uye yakashandiswa neCCC (Federal Communications Commission) yakanyatsosimba kubva muna 2009. Zvisinei, makore anopfuura 10 mushure mekubvumwa kwayo, ikozvino iri mukugadzirisa kushandiswa.
Ikozvino maATSC anorayira vaterevhizi veTV vane simba rokutumira mapurogiramu eTV muchidimbu mune zvisarudzo 18 zvakasiyana kubva 480i kusvika 1080p. Zvisinei, kunyange zvazvo tuners yose yakavakwa-muHDTV uye 4K ultra HD TV kubva apo shanduko yeDTV iri kushanda ine kukwanisa kugamuchira zvinyorwa zveTV mune zvese gumi nematanhatu, 720p uye 1080i chete inoshandiswa nguva dzose nekunzvimbo neyokunamata nzvimbo dzekutumira.
Kunyange zvazvo izvi zvakanaka kune avo vane 720p kana 1080p HDTVs, vadzimai vezvino 4K Ultra HD TV vari kuwana zvishoma.
Izvi zvinokonzerwa nekuti kune chikwata chinowedzera chechina 4K TV uye zvinyorwa zvemufirimu zvinowanikwa kugoverwa kuburikidza nekushambadzira kwakatsaurirwa, cable, sataneti , uye ikozvino Ultra HD Blu-ray discs / Michina yemuchina.
Zvisinei, apo inouya kumapurogiramu eTV kubva kumakwikwi makuru, nzvimbo dzomunharaunda, uye dzakawanda dzemakambani emigwagwa, kunyange pa 4K Ultra HD TV, vataridzi vachiri kugamuchira zvechokwadi chiratidzo che 720p kana 1080i (sezvataurwa pamusoro apa), kunyange kana zviratidzo izvozvo inoshandiswa kuburikidza nekambo kana sataneti. Mune mamwe mazwi, izvo zvaunoona pachikwangwani kubva kune dzakawanda kuparadzirwa, kabheti, uye nhepfenyuro dzesataneti zvakasimudzirwa kufanana nenhamba kana mapikisesi anowanika pane 4K Ultra HD TV skrini.
Pinda ATSC 3.0 NextGen TV
Kuti urambe uchitarisana netambo-kutema mafambiro uye kuenderera mberi kwe 4K Ultra HD TV uye 4K zvakagadzikana, ATSC, mushure memakore akawanda ekufambisa, ikozvino kugumisa danho rinotevera reTV kuparidzira, iko zvino kunonzi ATSC 3.0 (inonziwo "NextGen TV", iyo inofanirwa kutora nzvimbo yezvino.
ATSC 3.0, kana ikashandiswa, inotarisirwa kusanganisira imwe, kana kuti yakawanda, yezvinhu zvinotevera:
- Kupfuura-the-air kutumirwa kwepurogiramu yeTV mukugadzirisa 4K, uye HD uye SD (digital) simulcasting.
- Kubatanidzwa kweHDRR uye Wide Rwendo Gamut.
- Kubatana kwepamusoro kusvika 120fps video transmission.
- Simba rekutumira Immersive Audio, mazita emitauro yakawanda, uye mamwe manzwiro ezwi.
- Ichokwadi nharaunda yekutengesa 3D kukwanisa.
- Kubatanidzwa kwe-over-the-air and broadband transmission of programming uye zvinyorwa zvinowedzera kumasikirwo emafambisi uye e-internet anobvumira. Mune mamwe mazwi, chimiro chekutanga uye kutumbuka kunonzwika kunogona kuitwa pamusoro pe-air, asi zvimwe zvikamu zvinosanganiswa nehuwandu zvinogona kugoverwa nekugoverana kwebasa rekushandisa. Izvi zvingaita kuti vaparidzi vese vakwanise kuwedzera "yechipiri chinyorwa" nezvimwe zviitiko pavanotarisa mamwe mapurogiramu eTV.
- Kuvandudzika Emergency Alert System yehusiku, njodzi dzinongoitika dzoga, kana zvimwe zviitiko zvinokosha.
ATSC 3.0 Makomborero
Kana zvose zviri pamusoro apa zvinorongedzwa zvinosanganiswa, zvingatove zvakanyanya kufambira mberi kwevaterevhizi veTV mune zvevhidhiyo nehutano hwehutano, pamwe chete nemamiriro ezvinhu. Izvi zvingavaisa kune mamwe maitiro e 4K neInternet-based based content delivery panguva ino inowanika kuburikidza nevamwe vatapi vehupenyu.
Chimwe chinhu chakakosha kuratidza, ndiko kuwedzera kufarira mu "cord cutting" nevatengi. "Rwonzi rwokucheka" rinosunungura vataridzi kubva kubhadhara kambani nekambani uye sataneti zvisingabvumirwi uye kuvimba zvakanyanya paIndaneti uye vakasununguka pane-air-nzvimbo uye nhepfenyuro zvirongwa zvekuona TV. Nokuwedzera 4K, nezvimwe zvikamu zvinopiwa neATSC 3.0, kutema kambo kunogona kuwedzerwa kuwedzerwa.
ATSC 3.0 Kutevedzera Zvipingamupinyi
Kunyange zvazvo ATSC 3.0 inoshandisa kupikira kuunza huri nani, uye hunochinja, kuonekwa kweTV kuenderera mberi, zvinorevawo imwe shanduko huru kune vatengi maererano nemataurirwo avanoita TV.
Pamusoro pekumusoro, seATSC 3.0 inoshandiswa, ikozvino DTV / HDTV kuparidzira nzira ichaenderera mberi kushandiswa kwekutumira kwenguva kwenguva, saka yako yeTV (s) ino haichazogadziriswi kwenguva pfupi-iwe haungamboiti kukwanisa kuwana mazamu akakwirira anopiwa neATSC 3.0. Nzira yakafanana yakashandiswa kumagetsi eAnalogog kwemakore anoverengeka isati yasvika DTV yapfuura zuva rekushandura rakagadziridzwa.
Zvisinei, mushure mokunge ichitaridzika kuti kune maTV anodiwa mumashandisirwo ayo anosanganisira akavakwa muATSC 3.0 tuner, zuva-checha richagadzirirwa apo ATSC 3.0 chete mitemo ichashandiswa.
Kamwe kana zuva rakatemwa rasvika, izvi zvinoreva kuti vadzidzisi veAnalogo, HD, uye chero isiri iyo ATSC 3.0 yakabvumira Ultra HD TVs ichiri kushandiswa nenguva iyoyo inoda kuva nechekunze kwepamusoro (zvichida seyime stand-alone box kana kubatana neHTMLMI connection ) kuitira kuti ugamuchire mitambo uye nzvimbo yepurogiramu yeTV pane-air.
Mabhokisi ekunze kana mamwe ma-adapter echagadzirisa aifanira kupiwa nekuderedza pasi ATSC 3.0 kutumira kune avo vane analog, 720p, kana maTV 1080p, asi, tarisiro, vaizopa mazano 4K anokwana kune vene 4K Ultra HD TV inogona kunge isisina nzvimbo yakavakwa muATSC 3.0 tuner yavo pachavo.
Mukuwedzera, kabheti uye vaterevhiti vanogona kunge vachida kupa pasi-kutendeuka kushamwaridzana kune vanyori avo vasina maTV anoenderana nekanguva kwenguva refu.
Apo ATSC 3.0 In In Use
South Korea yakave iri mberi kweATSC 3.0 kubvumidzwa. Vakatanga kuongororwa kwenguva yakazara muna 2015, uye kubva muna May 2017, vakataura kuti mitatu yayo huru miterevhizheni yakagadzirira kutumira ATSC 3.0 nguva yakazara mumaguta akawanda. Nekuwedzera kwekutsigirwa South Korea-based TV maker LG, ichaita kuti maTV awanikwe neATSC 3.0 tuner.
Kune US, zvinhu zviri kufambira mberi zvishoma. Muna 2016, ATSC 3.0 yakatora danho rokutanga kunze kwebasa rakazara nguva yekuongorora munda neWRAL-TV muRaleigh, NC.
Trivia Alert! WAR-TV yaivewo yekutanga yepaTV yakashambadzirwa muHD back muna 1996 - makore gumi nematanhatu pamberi peDTV Transition 2009.
Kunyange zvazvo vashandi vasingakwanisi kuenderera mberi kwezvinhu izvi, iri kupa vaterevhizi veTV uye vatambi veTV vakagadzirisa mukana wekutarisa zvinhu zvose zvekuparadzira kwezvinhu, uyewo gamba rekugamuchira / decoding hardware / firmware iyo ichadikanwa kuiswa mu Ultra HD MaTV anoenda mberi.
Kana zvinhu zvose zvichifamba zvakanaka, unogona kuona kubuda kweATSC 3.0 zvishoma mumaseresi maviri eTV, uye maTV, kutanga kwegore ra 2017. Zvisinei, kana nguva iyo ATSC iripo iyo ichishandura zvachose kuATSC 3.0 ichange yakagadzirirwa - ukufungidzira kupi zvake - zvichida munenge muna 2020.
The Bottom Line
Kushandura-kubva pane zvinobudiswa neHDTV yeATSC 3.0 inonyanya basa guru iro richaita kuti vose vashanyi veTV nevatengi vave nehuwandu.
Matambudziko kune vaparidzi anosanganisira zvose zvinodhura uye nenyaya dzekugadzirisa zvinhu. Somuenzaniso, panguva yekushandura, vazhinji vaterevhizheni veTV vachasangana nekutaurirana panguva imwe chete uye maitirwo matsva, izvo zvichatoda kuparadzira zvakasiyana siyana uye nzira. Sechikamu chekushanduka, nzvimbo dzakawanda dzinofanira kuchinja kune imwe nzira.
Kune vatengi, zvinhu zvinogona kuvhiringidza zvikuru munguva yekushandura.
Panguva iyi, vatengi vachatarisana nemamiriro ezvinhu mumisika ine zvivako zvepaTV zvakawanda sezvo dzimwe nzvimbo dzingave dziri mukugadzirisa kuenda kune idzva hurongwa, asi dzimwe dzingave dzichiripo parizvino.
Uyewo, vaterevhizi veTV havakwanisi kushandisa zvose zveATSC 3.0. Vanokwanisa kusarudza izvo zvavanofunga kuti zvinoshumira vataridzi vavo uye vanokodzera bhizimisi ravo remabhizimisi.
Semuenzaniso, kusiyana nemafambiro ezvino, vaterevhizi veTV havadi kuti vaise tuner muTV itsva kuti vagamuchire ATSC 3.0 kutumira. Zvisinei, zvinotarisirwa kuti kukwikwidzana kwemakambani kudzvinyirira kuchasimudzira kutevedza. Nekuda kwayo, LG yakaratidza kuti ichave ichisanganisira maATSC 3.0 anokwanisa kugadzirisa mumatavi ayo maTV emakambani eSU munguva yekushandura nguva.
Kuti vabatsire mukushandura uku, TV yakagadzirisa-bhokisi mabhizimisi yakaratidza kuti kunze kwe-tuner tuner ichawanikidzwa kune vatengi vanovada - Zvisinei, hakuzovi nehupi hweCCC inotsigirwa purogiramu yepuroponiti sezvakaitwa neanorog-2009 -digital TV kuchinja.
Mukuwedzera, kugadziridza kunenge kuchida kushandiswa sekushanda kwokuti kabhadhara uye vateresi vepa satellite vanobatanidza sei neATSC 3.0 yekushambadzira kwenhepfenyuro muhutano hwavo hwehutano.
Cherechedza: Mashoko ari munyaya ino pamusoro peATSC 3.0 mitemo, maitiro, nekugadzirisa zvinenge zvichida kuchinja. Somugumisiro, sehumwe humwe ruzivo pamusoro pemitemo uye kushandiswa, kusanganisira apo zviteshi zvepaTV zvichatanga kupa ATSC 3.0 kuparidzirwa, uye kuwanika kweTV dzakagadzirirwa kugamuchira zviratidzo zveATSC 3.0, zvinowanikwa, ino ino ichavandudzwa.
Bonus Feature: Usanonoka zvakare neATSC 3.0 - kunewo masimba kune rimwe basa raanoda kuita kuti tibve ku 8K! Pamusoro pezvose izvi, verenga mharidzo yangu: 8K Sarudzo - Beyond 4K .