It successfully concluded the first global emission of 4 K in DVB-T2 with HDR, WCG and Dolby AC-4 carried out by Cellnex Telecom Using a transmitter of 500 W in the issuing Centre of Valencina in Seville, Cellnex has issued a pilot with modulation DVB-T2 to 34 Mbps with images 4K High Dinamic Range (HDR) and Wider Color Gamut (WCG).
In order to test where can reach Ultra high definition in a terrestrial digital broadcast environment, Cellnex Telecom It took place on 5 and 6 November in the 4 K World Summit in Seville the first global emission of 4 K in DVB-T2 with HDR, WCG and Dolby AC-4.
Using a transmitter of 500 W in the issuing Center of Valencina de la Concepci n in the Sevillian Aljarafe, Cellnex has been broadcasting in DVB-T2 (channel 36 UHF) Ultra high definition images for the Andalusian capital.
Modulation DVB-T2 has allowed to transmit up to 34 Mbps, with one sufficient binary scheme for broadcasting the first global emissions of UHD High Dinamic Range (HDR), Wider Color Gamut (WCG) and Dolby AC-4.
Thanks to Dolby Vision technology who have followed this pilot project have been able to enjoy a viewing experience with high brightness, contrast and color gamut by combining HDR and WCG.
The encoding used in this pilot has been HEVC, on which they are sending a channel of metadata with additional information for the HDR. This has allowed those TVs that do not have HDR could reproduce the content in Standard Dynamic Range (SDR).
In terms of audio, the broadcast has been used format Dolby AC-4 Dolby AC-4 key elements because they have normalized in the European Telecommunications Standards Institute (ETSI) as a 103 190 TS, have been adopted by DVB as TS 101 154 and are ready for incorporation in next generation audiovisual services.
Xavier Red n, product manager de Cellnex Telecom, detalla en esta videoentrevista detalles de esta primera prueba piloto de emisi n de 4K en DVB-T2 con HDR, WCG y Dolby AC-4 y analiza las posibilidades de la TDT como veh culo para distribuir 4K a una audiencia masiva.
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It successfully concluded the first global emission of 4 K in DVB-T2 with HDR, WCG and Dolby AC-4 carried out by Cellnex Telecom Using a transmitter of 500 W in the issuing Centre of Valencina in Seville, Cellnex has issued a pilot with modulation DVB-T2 to 34 Mbps with images 4K High Dinamic Range (HDR) and Wider Color Gamut (WCG). 
