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

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

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

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

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.

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

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

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

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.

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