Brazil inogona kutora ATSC kubva kuISDB-T

Iyo Brazilian terrestrial digital TV zviyero muviri, iyo Brazilian Terrestrial Digital TV System Forum (SBTVD Forum), yatora matekinoroji akati wandei eNorth American standards body ATSC kune yayo inotevera-chizvarwa TDT chiyero.

The ATSC akarumbidza danho reSBTVD Forum rekukurudzira kuhurumende yeBrazil matekinoroji akati wandei akakurudzirwa nayo kuti ive yemhando yedhijitari yepasiredhiyo yekuBrazil..

The ATSC 3.0 standard set iri kuitwa muSouth Korea neU.S. uye ichagamuchirwawo neJamaica.

Brazil yazvino yedhijitari yepasi mwero, SBTVD-T, mutsauko weJapan ISDB-T standard uye inogamuchirwa zvakanyanya, nezvimwe zvakasiyana, muSouth neCentral America, kunze kwenzvimbo dzeDVB-T dzeColombia, Panama, Suriname, uye French Guiana.

Kurudziro yeSBTVD Forum inouya mushure mekufona kwezvikumbiro uye bvunzo dzinotevera uye ongororo dzakaitwa neForamu mushure mekutanga kweTV. 3.0 Project muna Chikunguru 2020.

Kure kure, iyo Forum yakasarudza matekinoroji mashanu akakurudzirwa na ATSC yekutumira uye Broadband zvikamu zveTV 3.0 maitiro: ROUTE/DASH chekufambisa; MPEG-H odhiyo; IMSC1 zvinyorwa zvidiki; HDR10 High Dynamic Range EOTF Vhidhiyo (ine sarudzo ine simba HDR metadata yakavakirwa pa SMPTE ST 2094-10 uye SMPTE ST 2094-40); uye yepamusoro EMERGENCY AERTS ATSC 3.0.

ATSC yakurudzirawo akati wandei emamwe matekinoroji echikamu cheBroadband cheTV 3.0: H.265/HEVC vhidhiyo base layer encoding, sarudzo yakakwirira dynamic range EOTF HLG vhidhiyo, inosarudzika SL-HDR1 yakakwira simba renji kuburitsa, uye sarudzo AC-4 odhiyo. - asi hapana sarudzo dzati dzaitwa panyaya iyi.

Brazil inoronga kutanga kuita yayo 3.0 TV system mu 2024. Kuedzwa uye kuongororwa kunoenderera mberi mukati 2022-23 mu-over-the-air physical layer uye muzvikamu zve (interactive) application coding zvinhu zve system. ATSC's proposals for the ATSC 3.0 Physical Layer uye ATSC 3.0 Interactive Content masisitimu ari pakati peaya anozoongororwa gare gare.

“ATSC inokorokotedza SBTVD Forum nehurongwa hwayo hwakarongeka hwekusimudzira 3.0 TV system muBrazil. Mumakore gumi apfuura, Nhengo dzeATSC dzakagadzira iyo ATSC 3.0 system uye ndinodada nazvo, mushure mekuedza kwakasimba uye kuongororwa muBrazil, zvinhu zvakawanda zveATSC's state-of-the-art terrestrial transmission system yakasarudzwa. Iyo ATSC yakagadzirira kutsigira SBTVD Forum, sezvo ichishandisa matekinoroji aya kune zvakasarudzika zvinodiwa zveBrazil,” akadaro Mutungamiri weATSC, Madeleine Noland.

Noland akasimbisa basa reATSC IT-4 Brazil yekuitisa timu.

“Nhengo dzeIT-4 dzanga dzichishingairira kutsigira ATSC tekinoroji mukati mekuita uye vachaenderera mberi nekuedza kwavo muzvikamu zvinotevera zveSBTVD yekuongorora maitiro.,” akati.

Skip Pizzi, Mutungamiri weATSC Implementation Team muBrazil, akadaro, “The Implementation Team ibasa rekubatana re 15 ATSC nhengo makambani nevamwe, uye isu tinofara zvikuru nezvisarudzo zveSBTVD Forum kutora akawanda matekinoroji akakurudzirwa neATSC.. Isu tinokorokotedza Foramu nekufambira mberi kwayo uye tinotarisira kuenderera mberi kwekubatana kwedu muchikamu chinotevera cheTV 3.0 development.”