Broadcasting: Newest Trends - ITU

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Broadcasting trendsTerrestrial ServicesRadiocommunication BureauITU

Summary The digital revolution Digital broadcasting advantages Achievements in Digital broadcast Looking at the future Role of Radio and TV in COVID-19 pandemic

THE DIGITAL ERAIntroduction of DigitalTerrestrial TelevisionDSO (TV) very advanced orcompletedFirst DTT platform (UK,1998)Radio switchover inprogressChange of user behavior2000s1990sTODAYTV digital switchover (DSO)High definition and flatscreensFirst digital radiotransmissions

Digital Broadcasting For regulators fair competition: To develop a terrestrial platform competitive with the otherplatforms, efficiency of spectrum (1 frequency for multiple programs) that provides thepossibility to free a part of the band for other usage. For TV operators and content providers: significant decrease in transmission (operation) costs comparing to analogue, investment and transmission costs and permits the development of new innovativeservices without spectrum constraints (mobile TV , data, games, interactivity, VoD,.),UHD, Hybrid TV Integrated Broadcast-Broadband (IBB) systems, Artificial Intelligence,AR/VR, etc For users: Additional number of programs Additional reception modes (fixed, portable, mobile ) Improved quality of image and sound Additional type of services: interactivity, Electronic Program Guides, etc.

Broadcasting StandardsFIXED TERRESTRIAL DTT: ATSC,ATSC3.0, DTMB, DVB-T, DVB-T2,ISDB-T MOBILE/HANDHELD DTT: ATSCM/H, DTMB, DVB-H, DVB-T2 LITE,ISDBT-MM, T-DMB RADIO (DSB): DRM, DRM , DAB,DAB , ISDBT-TSB, T-DMB, HDRADIO, IBOC, COMPRESSION TECHNIQUES:MPEG4/H.264, HEVC/H.265,VVC/H.266VVC/H.266: Versatile Video CodingHalf the bit rate of HEVC. will reduce theamount of data necessary to enable high-qualityvideo for an unprecedented range of new andexisting applications. Ex: same bit rate to deliverUHD as it is for HD today.

HYBRID TVINTEGRATED BROADCASTBROADBAND (IBB) SYSTEMS Based on the combination of the technologiesof both broadband and broadcasting.Different standards such as HbbTV,hybridcasdt or MHEG-5Typical hybrid devices are: Internet-connectedTV sets and set-top-boxes, PCs with broadcasttuners and mobile phones with broadcastreceiversRecommendations ITU-R : BT.2037: General requirements of IBB systems BT.2053: Technical requirements for IBBsystems and various aspects of IBB systemsincluding App. types and App. control areanalyzed and defined

BETTER VIEWER EXPERIENCE Ultra High Definition Television (UHDTV) High Dynamic Range (HDR): result will be a greatersense of realism for viewers, giving televisionimages a richer and more dynamic quality Wide Colour Gamut and High Frame Rate(Recommendation ITU-R BT.2020)

ADVANCED IMMERSIVE AUDIO-VISUAL (AIAV)SYSTEMS, INCLUDING VIRTUAL REALITY ANDAUGMENTED REALITY (VR/AR) Trials have taken place at majorinternational events such as the 2016 RioOlympics, the 2018 PyeongChang WinterOlympics and of course, the recent 2018Football World Cup in Russia Inclusion of 360-degree live video Report ITU-R BT.2420 describes thetechnical background and the definitionsused for AIAV systems. Recommendation ITU-R BS.2051, Advancedsound systems for programme production,to include headphones associated withmetadata, which are a vital part of the AIAVsystems experience.Users will have immersive experiences with “anunprecedented degree of presence" caused by tricking thebrain's perceptual systems so users believe they are reallysomewhere else or even someone else.

Radio types Analogue Radio: FM Radio, LF/MF, HFBC Digital Radio is the delivery of radio content using digitaltechnologies, both digital broadcasting technology andBroadband DAB/DAB , DRM, , and streaming of radio services over internet. Radio receivers in Smartphones/tablets (Free, No need for Mobile data, noneed for connection, saving battery energy, )


ARTIFICIAL INTELLIGENCEAND BROADCASTING (1/2) Artificial Intelligence (AI) refers to thecapacity of computers, machines and devices toprocess and treat information in a similar way tohumans including learning processes, decisionmaking and problem resolution.Uses of AI in broadcasting-related fields: Programme production: Big data analyses Automatic translation Text-voice/voice-text conversion Object tracking

ARTIFICIAL INTELLIGENCEAND BROADCASTING (2/2)-Audio and visual aspects Metadata: AI, through speech and image recognition can create metadatainformation associated with any content. AI takes metadata to the next levelthrough machine learning, providing classification or groupings of content.This can be further improved by creating trends using neural networks; forexample, associating content with its popularity among age groups. [If youdoubt the ability of AI in this field, remember the UK Royal Wedding whereeach celebrity was tagged in real time based on AI] Subtitling and Close captioning Break Structure or Advertising: Identifying relevant advert placementalongside content. Presenting the News (by a humanoid AI, and even react to breaking news)-Programme assembling and access: AI-powered indexing and searching,Audio and video data compression, Early warning of emergencies, Accessservice for people with disabilities, -Broadcast emission: Network planning, System monitoring and diagnosis, - Report ITU-R BT.2447: Artificial intelligence systems for programme productionand exchange

Terrestrial Radio and TV Strengths Free to air public warning, disaster mitigation and relief (Report ITU-R BT.2299-0). It is an extremely effective way of delivering information in rural and remote areas whereinformation can educate, and even save lives in emergency situations such as the currentCOVID-19 pandemic. wide public, reception is always possible, both in cities and rural areas. Challenges the expansion of radio whether analogue or Digital is hampered by lack offrequencies (congestion). for UHF television in Region 1, a.i. 1.5 of WRC23 (Review the spectrum useand spectrum needs of existing services in 470-960 MHz).

Radio and Television during COVID-19An estimated 3.6billion peopleremain withoutaccess to theinternetAwareness ofpopulation;Education andremotelearning to 1.5billion childrenDailyinformationand updates;among thosecurrently countedas being‘connected’, anumber still lackaccess to devices,affordablepackages andspeed of service.

43%706 million Nointernet at homeSource: UNESCO Institute of Statistics50%826 million studentshad no access to ahousehold computerDue to insufficient connectivity andtechnological divide, ‘traditional’mass media channels, have beenrecognized to reach a wider numberof learners, particularly the mostvulnerable and as a result, globally,92 countries have reported usingtelevision or radio programmes.Specifically, in the LAC region, 36%of countries are using TV and 15%of countries radio solutions.Total number of learners (around 1.5 billion)Radio and Television during COVID-1956 million live in locationsnot served by mobilenetworks

Thank you!ITU – RadiocommunicationBureauQuestions to brmail@itu.intor

AND BROADCASTING (2/2)-Audio and visual aspects Metadata: AI, through speech and image recognition can create metadata information associated with any content. AI takes metadata to the next level through machine learning, providing classification or groupings of content. This can be further improved by creating trends using neural networks; for example, associating content with its .

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–ITU’s Ultra-High Definition Television Recommendation BT.2020 HDR –ITU-R HDR-TV Recommendation BT.2100 –Report ITU-R BT.2390-3, 2017, –Report ITU-R BT.2408-0, 2017 WCG - superior colour fidelity Compression technologies –MPEG-2, MPEG-4 part 10 or H264 or AVC –H

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