CONTENTS

Policy on Intellectual Property Right (IPR)
�1���� Introduction
�2���� Reference levels and signal format
������� 2.1���� HDR Reference White
������� 2.2� ���Signal levels for line-up in production
������ 2.3 �����Bit depth
������� 2.4���� Signal range
������� 2.5���� Colour representation
�3���� Monitoring
������� 3.1���� Display of PQ signals
������� 3.2���� Display of HLG signals
����������������� 3.2.1���� Display of HLG signals on SDR screens
�4���� Image brightness
������� 4.1���� Comfortable brightness of static images
������� 4.2� ���Tolerance to Brightness Shifts
�5���� Inclusion of standard dynamic range content
������� 5.1���� Matching BT.709 SDR and BT.2100 cameras
�� ����5.2 �����Use of 8-bit content
�6���� Conversion between PQ and HLG
�7���� Transitioning from SDR BT.709 to HDR BT.2100 production
������� 7.1���� Live production
����������������� 7.1.1���� HDR focussed production
����������������� 7.1.2���� SDR focussed production
����������������� 7.1.3���� Production for maximum SDR compatibility
������� 7.2���� SDR-HDR-SDR �Round-Tripping�
������� 7.3���� Hardware colour matrices
Annex 1� Study to evaluate levels for PQ content
Annex 2� Analysis of reference levels
�1���� Introduction
�2���� Analysis of Reference Levels
�3���� Diffuse white elements in live HLG encoded broadcast content
�4���� Diffuse white in an HDR dataset of 1000 �PQ encoded images
�5���� Discussion
�6���� Conclusions
Annex 3� Two studies of skin tones, using a reflectance database, and using real subjects
�1���� Study 1: using a skin tone database and an ideal model of a camera
�2���� Study 2: using human subjects and a RAW recording camera
�3���� Conclusions
Annex 4� Study of facial skin tones in broadcast content
�1���� Facial skin tones in SDR news and information programmes in studio
�2���� Comparison of facial skin tones in HLG HDR and SDR content in a music programme
�3���� Conclusion
Annex 5� Factors facilitating successful HDR-TV