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