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Media in the Cloud: Ontology Guide

HDR: PQ and HLG – Presented by the BBC

High dynamic range (HDR) promises to significantly enhance the viewing experience of audiences around the globe. The two HDR technologies supporting this promise are Hybrid Log-Gamma (HLG) and Perceptual Quantizer (PQ). How are they similar, and how do they differ? In this webcast, guest speakers Tim Borer and Andrew Cotton, both of the BBC, will present an objective summary of the two technologies in terms of technical parameters.

Attend the webcast and take part in a conversation about one of the industry’s hottest technology topics!


Guest Speaker: Tim Borer


Dr. Tim Borer is a Lead Engineer at BBC Research and Development, currently focusing on aspects of UHDTV such as high dynamic range and high frame rates. He has worked in broadcasting industry for more than 30 years. Previously Tim led the video compression team at BBC R&D developing “Dirac” and the SMPTE VC-2 compression standard. Prior to the BBC he designed professional broadcasting equipment, including motion compensated standards converters and compression equipment, for both Snell and Harris. He is a co-developer of the BBC/NHK Hybrid Log-Gamma HDR solution. Tim holds degrees in video processing, electronics and physics. He is a Chartered Engineer (MIET), a senior member of the IEEE and a Fellow of the SMPTE. He is the inventor (or co-inventor) of about 20 patents.



Guest Speaker: Andrew Cotton


Andrew Cotton is a Principal Technologist at BBC Research and Development and has a background in video compression and image processing.  He coordinates the BBC’s UHDTV standardisation activities and, in addition, he and his team are responsible for maintaining the technical integrity of the BBC’s production, playout and IP distribution systems.

Andrew is a co-developer of the BBC/NHK Hybrid Log-Gamma HDR solution.  He joined BBC R&D in 1987 after graduating with a BA in Engineering Science, spent 7 years in industry working for Snell and returned to the BBC in 2002.  Andrew is the inventor of 7 joint patents and 3 sole patents.