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One of the most important changes DTT In recent years, a few months ago, SD quality channels were deleted from the program and all HD. also came First
One of the most important changes DTT In recent years, a few months ago, SD quality channels were deleted from the program and all HD. also came First official channel in UHD1 UHD providing a significant leap in image quality.
However, the changes will not be limited to this, because the Government is preparing the radio field for a new regulation. more UHD channelsSomething that will not be entirely positive as we see in this article.
The government has publicly announced plans for the future National Technical Plan for Digital Terrestrial Television. Steps to be taken in the coming years Reorganizing the electromagnetic spectrum and moving the existing DTT to the DVB-T2 standard. As we can read from the official text:
The ultimate goal of the design of each of the actions to be carried out envisaged in this royal decree is the development of transmission technology. DVB-T2 The use of all digital multiplexes of DTT and the use of HEVC as a new, more efficient coding standard guarantees the necessary capacity for all television channels to convert to UHD resolution broadcasts in the future.
Technological development of DTT for signal transmission technology according to European telecommunications standard EN 302 755 (DVB-T2) It will be done in 2 stages:
Image: Expansion
planned in the first place 2025and thanks to the higher efficiency of the H.265/HEVC codec, there will be space to accommodate 4 channels in UHDTwo of these are for RTVE, the other two are for Atresmedia and Mediaset. Antena 3 and Tele 5 will have the opportunity to start their broadcasts in UHD.
The government also makes room for this new hd channel It will take part in the MPE5 field and will be rewarded through a call for competition for the granting of a new licence.
In the second stageAlthough no start date has yet been set, an even more significant change is intended as the Government’s intention is to: Transition to DVB-T2 standard on the rest of the floors which would logically require a possession. compatible TV or external tuner.
To ensure that this does not cause problems in existing homes, a number of conditions were determined that must be met before the start signal for the second phase is given:
Television and tuner manufacturers are also required to clearly report on the capabilities of integrated receivers, specifying both the DVB-T/DVB-T2 version and the codec. H.264/AVC and H.265/HEVC and other features are included.
The plan also states that all televisions offered for sale in Spain must be compatible with DVB-T/DVB-T2 and H.264/AVC in order to watch high-definition channels. If the screen diagonal is larger than 40″, they must also have H.265/HEVC and UHD encoder. Those larger than 24 inches must also have HbbTV.
When will the change of this second phase occur? Not sure. As commented on Banda Ancha by Cellnex figures, at the end of 2021 45.4% of televisions in Spain were equipped with a DVB-T2 tuner, but only 30% could decode H.265/HEVC and only 7.5 million affordable televisions would currently be available, compared to an estimated 38.7 million in the country.
Cover image |Pxhere, Wikipedia, Thomson, Strong, Engel
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Ben Stock is a hardware enthusiast and author at Div Bracket. He provides comprehensive coverage of the latest hardware advancements, offering readers a technical and in-depth look at the newest products and trends.
