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What’s New & Why We Start ATSC 3.0 Based Terrestrial UHDTV Broadcasting? Viewer-friendly reception environment • Fixed and mobile reception • Direct reception environment anywhere Fixed Indoor Reception Mobile Outdoor Reception Improved service with the Internet • IP-based interactive & personalized service with companion screen • Public service capabilities (Emergency alert/caption) Advanced Emergency Alerting UHD Video On-Demand Additional Information (ESG, IBB) Ultra High-Definition TV • 4 times better image quality compared to FHD • HDR, WCG, HFR techniques for realistic broadcasting • Immersive audio experience 2K FHD 5.1ch 4K UHD 22.2ch 3840 2160 UHDTV * HDR = High Dynamic Range, WCG = Wide Color Gamut, HFR = High Frame Rate , ESG = Electronic Service Guide, IBB = Integrated Broadcast Broadband 1

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From July 2021, Multi-Channel, Mobile, Interactive Services Started Multiplexer Configuration in a 6 MHz Frequency Bandwidth Fixed reception Mobile reception KBS Transmission Sites KBS Headquarter Received signals through antenna Received signals through antenna Able to watch a UHDTV channel as well as 3 HD mobile channels Able to watch 3 HD mobile channels only 9-1 KBS UHD 9-2 HD-MMS 9-3 Visual Radio Data casting 7-2 HD-MMS Data casting 7-1 KBS UHD 9-2 (7.19.~8.31.) → (9.1~ ) Olympic Disaster 9-3 Visual 1 Radio + Panorama, Amber Alert Service DATACASTING Advanced Emergency Alert Message (AEAT) 7-2 Simulcasting 7-1 Channel HD Quality Channel DATACASTING Advanced Emergency Alert Message (AEAT) + IBB + IBB + IBB

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Channel 9-2 Continues as Disaster Specialized Channel Korea Communications Commission (KCC) Announced the Plan KBS Newsletter Answered to the Plan

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From Nov. 8, Finding Missing & Exploited Children Service Started in KBS 9-3 Channel (Original data) Information provided by the National Police Agency Server (Image to the Viewer) Automatically generated image using the received data from the server in one hour cycle

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Disaster Warning Broadcasting Currently On-Air through ATSC 3.0 Network (Left) UHD receiver installed and operated on a bus in Seoul (Right) A disaster warning message is displayed on a public signage. From September 2019, disaster alerts are sent in text format, separated from video/audio.

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KBS NEWS 24 Streaming channel COVID-19 Code-of-Conduct KBS NEWS Official Website KBS 1 Radio Streaming channel ① ② ③ ④ Service item and icon are changed during typhoon is happened. ATSC 3.0 Interactive Service based on IBB Service for Providing the Disaster Information: COVID-19, Typhoon feedback from viewers using the IBB service during the Olympics

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ATSC 3.0 Interactive Service based on IBB Service for Providing Sports Live Extra Multicamera-feed Mosaic Experience

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08.09. 5th Typhoon 08.26.~24. 6th Typhoon 09.02.~03. 7th Typhoon 09.06.~07. 8th Typhoon IBB Access Data on Daily Basis 사랑 제일 교회 Broadcasters can obtain viewing patterns in real-time through user’s access data. Weekend Weekend Weekend Weekend Weekend ESG Access Data on Daily Basis

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BT.2100 HDR UHD Programme On-Air The 2020 Tokyo Summer Olympic Games, produced in UHD, were produced in HLG (BT.2020) video, and all three terrestrial broadcasters were on-air.

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We plan to make efforts to create an environment that allows direct mobile reception.