
Cellnex emits three contained 4K on a single channel of TDT Esta emisi n, que se lleva a cabo en colaboraci n con RTVE y Rohde & Schwarz, se puede visualizar en Sevilla, Madrid y Barcelona, durante la segunda edici n de la 4K-UHD Summit de Sevilla.
Cellnex Telecom est presente una vez m s en la 4K-UHD Summit, el encuentro anual del sector audiovisual que se celebra en Sevilla los d as 10 y 11 de noviembre.
En esta edici n, la operadora de infraestructuras de telecomunicaciones, est emitiendo tres contenidos con calidad 4K a trav s de un solo canal de TDT. Para llevar a cabo esta demostraci n cuenta con la colaboraci n de RTVE, Rohde & Schwarz y LG.
Esta emisi n es posible gracias a la eficiencia que aporta la utilizaci n de t cnicas como el multiplexado estad stico, la modulaci n DVB-T2 y la codificaci n HEVC. Todos estos avances tecnol gicos han permitido garantizar la m xima calidad de imagen 4K en los tres contenidos emitidos dentro de un solo canal de transmisi n.
Para la demostraci n cuenta con los televisores LG OLED 65EG960V y 65EF950V, as como el LG S per UHD 75UH780V, que Cellnex Telecom ha instalado en el hotel Ribera de Triana, sede de la 4K-UHD Summit por segundo a o consecutivo.
Emisi n en Sevilla, Madrid y Barcelona
La se al 4K en una emisi n simult nea desde los centros emisores de Valencina (Sevilla, canal 36), Torrespa a (Madrid, canal 32) y Collserola (Barcelona, canal 43) se distribuir en estas tres ciudades gracias al avance tecnol gico que supone la multiplexaci n estad stica de contenidos 4K en HEVC (High Efficiency Video Coding)
La t cnica de multiplexado estad stico, permite garantizar la m xima calidad al transmitir tres contenidos 4k simult neamente desde un nico transmisor. En vez dividir la capacidad de transmisi n a partes iguales, se reparte a cada contenido, la cantidad de bits que la imagen requiera en cada momento. Esta t cnica, que ya se utiliza para emisiones de TDT permite aprovechar al m ximo las transmisiones de m ltiples contenidos en un solo canal. La novedad en esta ocasi n es la aplicaci n del multiplexado estad stico a contenidos codificados en HEVC.
The Museo Reina Sof a in 4K
Thanks to the participation of RTVE in Seville images of the documentary can be seen these days Reina Sof a Museum rodado en 4K mientras que Rohde & Schwarz, por su parte, muestra un sistema de codificaci n estad stica.
Al margen de las demostraciones t cnicas, el evento re ne a los m ximos expertos internacionales que participan en el desarrollo del sector audiovisual europeo. En el panel de expertos de la 4K-UHD Summit participar Xavi Red n, senior product manager de Cellnex, que expondr las ventajas de la difusi n terrestre como medio universal para hacer llegar la se al de la Ultra Alta Definici n en 4K a los hogares.
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