DVB-T2: The Transition to the New Digital Terrestrial Broadcasting System

DVB-T2: The Transition to the New Digital Terrestrial Broadcasting System

Categorization
Author
Eleonora Pace
Head of Engineering


SEO
no
No image
Element preview
DVB-T2: The Transition to the New Digital Terrestrial Broadcasting System
white
orange
Settings
dvb-t2-the-transition-to-the-new-digital-terrestrial-broadcasting-system
Layout
{"218cedc6-bb87-4e6d-b40b-b2c629ebc431": {"@type": "text"}, "2665f836-d0c6-4087-a73a-eff09bbf27e0": {"@type": "breadcrumbs"}, "3be5b76b-3be2-44fe-811a-64bcd80d7a16": {"@type": "text", "text": {"blocks": [{"data": {}, "depth": 0, "entityRanges": [], "inlineStyleRanges": [{"length": 40, "offset": 71, "style": "BOLD"}], "key": "5ic64", "text": "Between 1:00 and 6:00 a.m. on that day, the switch to DVB-T2 enabled a more efficient use of the radio spectrum. This enhanced the multiplex capacity and allowed for a broader range of content with significantly improved visual and audio quality compared to the previous standard. This achievement was made possible thanks to the dedication and passion of the people at Rai Way.", "type": "unstyled"}, {"data": {}, "depth": 0, "entityRanges": [], "inlineStyleRanges": [{"length": 23, "offset": 100, "style": "BOLD"}], "key": "eh29d", "text": "We share this transformative journey through the voices of those who made it happen\u2014who recount the challenges and emotions of that night between August 27 and 28, when hard work culminated in a defining moment for television in Italy.", "type": "unstyled"}], "entityMap": {}}}, "475db73d-7ded-47bc-b0b5-0b2e56b41f75": {"@type": "text"}, "4aefe39c-36ca-4cff-9784-cf2e78e58f5d": {"@type": "slider", "fullwidth": true, "size": "s", "slides": [{"@id": "8989fb02-0e43-47f0-8823-bb0577fe34bb", "content_as_default": true, "image": [{"UID": "bbe63a435ddb459aa47406035bd5f7ad"}], "item_bg_color": "light-grey", "title_color": "white"}]}, "4ca1ea90-1e63-4eb6-a059-f38caae4b3a5": {"@type": "testo6", "bg_color": "light-grey", "content": {"blocks": [{"data": {}, "depth": 0, "entityRanges": [], "inlineStyleRanges": [{"length": 235, "offset": 54, "style": "ITALIC"}, {"length": 37, "offset": 148, "style": "BOLD"}], "key": "ar2j5", "text": "Three key dates mark the timeline of this evolution: \"The transition to the new digital terrestrial and the DVB-T2 standard is the latest step in a broader technological innovation path, mandated by the Ministry of Enterprises and Made in Italy and agreed upon with our primary client, RAI\", explains Marco Masotti.", "type": "unstyled"}, {"data": {}, "depth": 0, "entityRanges": [], "inlineStyleRanges": [{"length": 8, "offset": 3, "style": "BOLD"}, {"length": 4, "offset": 200, "style": "BOLD"}, {"length": 28, "offset": 210, "style": "BOLD"}], "key": "bus2e", "text": "In May 2024, RAI decided to transform a national multiplex to DVB-T2/HEVC format as of August 28, 2024, to comply with the Ministry\u2019s requirement to complete the switchover by September 1. Already in 2013, the analog-to-digital switchover radically changed Italy\u2019s television landscape.", "type": "unstyled"}, {"data": {}, "depth": 0, "entityRanges": [], "inlineStyleRanges": [{"length": 4, "offset": 3, "style": "BOLD"}, {"length": 4, "offset": 8, "style": "BOLD"}, {"length": 9, "offset": 127, "style": "BOLD"}], "key": "1vlcg", "text": "In June 2022, we reached a major milestone for Rai Way and Italian Broadcasting as a whole: the completion of the TV frequency refarming project. This initiative reshaped the national and local broadcasting network landscape while freeing up frequencies for mobile communications. Most importantly, it enabled us to replace all our transmission and broadcasting equipment with next-generation devices ready to support the new television standard. Additionally, the operation led to a significant reduction in energy consumption thanks to the lower power requirements of the new systems. ", "type": "unstyled"}, {"data": {}, "depth": 0, "entityRanges": [], "inlineStyleRanges": [{"length": 4, "offset": 47, "style": "BOLD"}, {"length": 22, "offset": 121, "style": "BOLD"}], "key": "aa8be", "text": "Today, the move to the new DVB-T2 standard and HEVC video encoding system marks the beginning of a new era\u2014one driven by signal digitalization and paving the way for Italy\u2019s technological future. This evolution enhances content accessibility and helps bridge the digital divide, allowing even the most remote areas to benefit from a higher-quality broadcasting service.", "type": "unstyled"}], "entityMap": {}}, "fullWidth": true, "title": "When did the story of this momentous transformation begin? ", "title_color": "blue"}, "502426f0-4a30-4e01-94f6-85869ee17668": {"@type": "author", "greyBg": false, "url": "../../../../resolveuid/6efb86e367fd4ebfa69a4320d420ce1f"}, "50dd868a-30c7-4e4d-9ac6-7d7da62bfd52": {"@type": "text"}, "5632c394-6cb6-428e-9c5c-fa78049549f5": {"@type": "text"}, "5bd8e847-3266-4aba-aeaf-4ade74282c96": {"@type": "text"}, "6ddd403c-e5e1-4492-b527-5f9869778dac": {"@type": "related_items"}, "8858d0e1-20d8-44aa-87ad-8772b51f3558": {"@type": "text", "text": {"blocks": [{"data": {}, "depth": 0, "entityRanges": [], "inlineStyleRanges": [{"length": 15, "offset": 219, "style": "BOLD"}, {"length": 50, "offset": 282, "style": "BOLD"}], "key": "f98uc", "text": "Seventy years ago, television broadcasting began in Italy, sparking a revolution that quickly captivated and continues to fascinate millions of Italians. Today, that revolution enters a new phase. In the early hours of August 28, 2024, Rai Way reached a historic milestone with the transition to the new digital terrestrial standard.", "type": "unstyled"}], "entityMap": {}}}, "a03bebb7-2960-4871-8335-cb0778accca7": {"@type": "testo6", "content": {"blocks": [{"data": {}, "depth": 0, "entityRanges": [], "inlineStyleRanges": [{"length": 19, "offset": 87, "style": "BOLD"}], "key": "aa5il", "text": "Everything began at 1:00 a.m. on August 28. That specific date and time were chosen to respect our viewers and avoid overlapping with the Olympic and Paralympic Games taking place during the summer of 2024.", "type": "unstyled"}, {"data": {}, "depth": 0, "entityRanges": [], "inlineStyleRanges": [{"length": 16, "offset": 128, "style": "BOLD"}], "key": "ebfka", "text": "At 1:00 a.m., we initiated the switch on the IP Matrix, activating the platform with the new T2 stream. This replaced the DVB-T baseband content with DVB-T2 content, pre-configured with the appropriate modulation parameters and programming defined by our Parent Company, RAI.", "type": "unstyled"}, {"data": {}, "depth": 0, "entityRanges": [], "inlineStyleRanges": [{"length": 87, "offset": 1, "style": "ITALIC"}, {"length": 101, "offset": 173, "style": "ITALIC"}, {"length": 31, "offset": 173, "style": "BOLD"}], "key": "1in33", "text": "\u201cWe were present on-site at major transmission hubs and operated remotely for all others,\u201d says Alberto Fassio, Head of Operations, Network and Security Operations Center. \u201cAround 200 regional technicians were involved, in constant contact with the task force at Via Teulada.\u201d", "type": "unstyled"}, {"data": {}, "depth": 0, "entityRanges": [], "inlineStyleRanges": [{"length": 197, "offset": 21, "style": "ITALIC"}, {"length": 37, "offset": 181, "style": "BOLD"}], "key": "arlaa", "text": "Adds Eleonora Pace: \u201cWe held two Teams conference calls\u2014one for issues related to the distribution network, the other for the linkage network. Among all teams involved, there was a profound sense of unity and belonging.\u201d Within minutes, both terrestrial and satellite distribution networks were fully operational. ", "type": "unstyled"}, {"data": {}, "depth": 0, "entityRanges": [], "inlineStyleRanges": [{"length": 69, "offset": 0, "style": "ITALIC"}, {"length": 633, "offset": 132, "style": "ITALIC"}, {"length": 36, "offset": 521, "style": "BOLD"}, {"length": 17, "offset": 601, "style": "BOLD"}], "key": "8jt8k", "text": "\u201cOur team\u2019s intense nights of work brought us immense satisfaction,\u201d concludes Umberto Babuscio, Chief Broadcasting & Media Officer. \u201cWe knew failure wasn\u2019t an option\u2014and our team exceeded all expectations, not just our own but those of the entire country, which now enjoys higher-quality television with cutting-edge technology. And most importantly, without any broadcast interruptions or signal degradation during the transition. This achievement would not have been possible without the close cooperation between our Engineering and Operations divisions, and our continuous collaboration with the RAI CTO structure, which enabled us to launch this project and jointly define the technical solutions and operational procedures needed to execute it successfully.\u201d", "type": "unstyled"}], "entityMap": {}}, "fullWidth": true, "title": "The story of that night", "title_color": "blue"}, "a680465f-4544-44b0-a37e-7428d16e1b1b": {"@type": "text"}, "c286e926-6a4d-45fb-84f8-f8153834066b": {"@type": "text"}, "c369b746-b010-4170-84e6-451d21a28fea": {"@type": "text"}, "c690d2cb-5a54-42e1-9853-b1f515c84e74": {"@type": "text"}, "ea94d906-36fb-486d-9097-d72c92ca5e49": {"@type": "testo6", "bg_color": "light-grey", "content": {"blocks": [{"data": {}, "depth": 0, "entityRanges": [], "inlineStyleRanges": [{"length": 283, "offset": 1, "style": "ITALIC"}, {"length": 21, "offset": 206, "style": "BOLD"}, {"length": 13, "offset": 293, "style": "BOLD"}, {"length": 17, "offset": 357, "style": "BOLD"}, {"length": 9, "offset": 492, "style": "BOLD"}], "key": "agdqj", "text": " \u201cWhen we talk about DVB-T2, we\u2019re referring to a unique technological innovation in Italy that allows for higher transmission capacity on the same frequency\u2014more channels, better quality. We worked with a cutting-edge standard still largely unfamiliar even to technology providers.\u201d explains Eleonora Pace, Head of Engineering. On August 19, we set up the encoding platform (typically used for disaster recovery), allowing us to transmit the T2-MI stream to the distribution network via the IP Matrix. The IP Matrix connects RAI\u2019s main production centers in Rome (Via Teulada, Saxa Rubra, and Via Asiago) with the inputs of our encoding and multiplexing platforms, and their outputs with terrestrial and satellite distribution networks. This state-of-the-art infrastructure enabled us to feed all transmitters simultaneously.", "type": "unstyled"}, {"data": {}, "depth": 0, "entityRanges": [], "inlineStyleRanges": [{"length": 31, "offset": 103, "style": "ITALIC"}, {"length": 349, "offset": 135, "style": "ITALIC"}, {"length": 9, "offset": 107, "style": "BOLD"}, {"length": 6, "offset": 128, "style": "BOLD"}, {"length": 16, "offset": 135, "style": "BOLD"}], "key": "7jl62", "text": "To ensure a seamless activation, we carried out nearly a year of lab testing. Mauro Brinelli recounts: \u201cWe simulated the entire signal chain in the lab, right down to the television set, replicating any broadcasting site in our Via Teulada center. This allowed us to verify every stage of the transmission path. Beyond testing, we identified the best method for transitioning to the new standard, ensuring maximum backward compatibility with TVs and decoders currently on the market.\u201d", "type": "unstyled"}, {"data": {}, "depth": 0, "entityRanges": [], "inlineStyleRanges": [{"length": 13, "offset": 98, "style": "BOLD"}, {"length": 36, "offset": 386, "style": "BOLD"}], "key": "bqtn6", "text": "That night of August 28 was the anticipated and deliberate result of many nights of teamwork. The testing phase culminated in two full-system nighttime trials in May and July. Critical to the success were not only our Engineering team, who designed every technical detail of the switchover but also colleagues on the Ground and those working in national control centers, who configured over 1,000 of our transmission units for DVB-T2 broadcasting. ", "type": "unstyled"}], "entityMap": {}}, "fullWidth": true, "share_social": false, "title": "Technical Challenges and Preparatory Work: how we made the Transition to DVB-T2 Possible", "title_color": "blue"}, "ee6cfd7e-8111-426c-9dee-ebe1e2e3b239": {"@type": "text"}, "f54cc812-4d32-4436-a563-0ecc06b2aee9": {"@type": "text"}, "f8a6434e-4a84-421b-b25c-3e710c49b568": {"@type": "text", "text": {"blocks": [{"data": {}, "depth": 0, "entityRanges": [], "inlineStyleRanges": [{"length": 95, "offset": 0, "style": "ITALIC"}], "key": "284rg", "text": "August 28: A new chapter in our history \u2014 Rai Way\u2019s historic transition told by its key players", "type": "header-two"}], "entityMap": {}}}, "fb15094c-5d08-4937-a5e1-b1e9d56c78b0": {"@type": "text"}, "b6409f54-92f8-4906-93a1-7fdb6f94b431": {"@type": "text"}, "5f63d142-fafe-4e3f-bb9b-549e6afac6ef": {"@type": "text"}, "29356653-9096-4097-b891-89105d9e785b": {"@type": "text"}}
{"items": ["4aefe39c-36ca-4cff-9784-cf2e78e58f5d", "2665f836-d0c6-4087-a73a-eff09bbf27e0", "c369b746-b010-4170-84e6-451d21a28fea", "fb15094c-5d08-4937-a5e1-b1e9d56c78b0", "f8a6434e-4a84-421b-b25c-3e710c49b568", "c286e926-6a4d-45fb-84f8-f8153834066b", "8858d0e1-20d8-44aa-87ad-8772b51f3558", "3be5b76b-3be2-44fe-811a-64bcd80d7a16", "475db73d-7ded-47bc-b0b5-0b2e56b41f75", "ee6cfd7e-8111-426c-9dee-ebe1e2e3b239", "ea94d906-36fb-486d-9097-d72c92ca5e49", "5bd8e847-3266-4aba-aeaf-4ade74282c96", "218cedc6-bb87-4e6d-b40b-b2c629ebc431", "a03bebb7-2960-4871-8335-cb0778accca7", "a680465f-4544-44b0-a37e-7428d16e1b1b", "c690d2cb-5a54-42e1-9853-b1f515c84e74", "4ca1ea90-1e63-4eb6-a059-f38caae4b3a5", "50dd868a-30c7-4e4d-9ac6-7d7da62bfd52", "f54cc812-4d32-4436-a563-0ecc06b2aee9", "5632c394-6cb6-428e-9c5c-fa78049549f5", "502426f0-4a30-4e01-94f6-85869ee17668", "29356653-9096-4097-b891-89105d9e785b", "5f63d142-fafe-4e3f-bb9b-549e6afac6ef", "b6409f54-92f8-4906-93a1-7fdb6f94b431", "6ddd403c-e5e1-4492-b527-5f9869778dac"]}
Contents