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BSI PD IEC TR 63274:2021

BSI PD IEC TR 63274:2021

$189.07

Power consumption of high dynamic range television sets

Published By Publication Date Number of Pages
BSI 2021 50
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This document introduces high dynamic range video technology, describes current television set power consumption measurement methods, discusses the HDR TV market, analyses HDR TV power measurement challenges, and considers a path forward for HDR TV power measurement standards development.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
7 FOREWORD
9 INTRODUCTION
10 1 Scope
2 Normative reference
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
12 Figures
Figure 1 – Occurrence of linear and non-linear signal encodings in context of a typical display processing pipeline and how they can be used to compute APL and APL’
13 3.2 Abbreviated terms
14 4 Overview
4.1 High dynamic range video
15 4.2 HDR TV market
16 5 HDR TV power measurement challenges
5.1 Overview
17 5.2 Content analysis
5.2.1 General
5.2.2 Sources of HDR video content
18 5.2.3 HDR metadata
5.2.4 Increased complexity of display technologies enabling HDR
5.3 HDR video content aspects beyond the scope of this report
19 6 Dominant aspects for HDR TV power consumption measurement
6.1 Overview
Figure 2 – Overview of how the deliverables were developed
20 6.2 Fundamental criteria and requirements for Final HDR Test Clip deliverable
21 6.3 HDR media formats
6.4 Differences between HDR formats
Tables
Table 1 – Fundamental HDR test media format summary
Table 2 – HDR media formats available in the consumer TV landscape
23 6.5 Mastering display brightness
Table 3 – Comparison of HDR media formats on the power consumption (W) of TVs
Table 4 – Power consumption (W) of TVs displayingthe colour graded Initial HDR test clip
24 6.6 Resolution, scan type and frame rate
6.7 Aspect ratio
Table 5 – Power consumption (W) of TVs displaying the assessment HDRvideo content in different resolutions
Table 6 – Power consumption (W) of TVs displaying the assessment HDRvideo content with different frame rates
25 6.8 Picture level
6.9 Content signal level analysis method
26 7 Fundamental objectives of HDR test clip deliverable
7.1 Overview
7.2 CLASP source material
7.3 Luminance, APL and colour saturation properties
27 7.4 Order of scenes
Table 7 – Recommended scene order in the test clip
28 7.5 Creating the initial HDR test clip
29 7.6 Optimization of initial HDR test clip to match power statistics
Figure 3 – Illustration on editing the initial HDR test clipfrom the CLASP source material
Figure 4 – Optimization of initial HDR test clip to match power statistics
30 8 Generation of the final HDR test clips
8.1 HDR signal properties
8.1.1 Overview
8.1.2 Colour gamut
8.1.3 Colour depth
Figure 5 – Average power consumption of protected HDRcontent versus optimized HDR test clip
31 8.1.4 Chroma subsampling
8.2 Converting the optimised test clip to the recommended formats
8.3 Additional elements
8.3.1 Countdown timer
8.3.2 Audio tone
9 Delivery of test media
32 10 Rating of SD and HDR power consumption
11 Summary
34 Annex A (informative)Other considerations for a next-generation TVpower measurement standard
A.1 Overview
A.2 Visual overlays
A.3 Motion-based features
A.4 Standby modes and smart television set features
A.4.1 Quick start
35 A.4.2 Networked standby features
A.4.3 Smart TV applications
A.5 Audio
36 Annex B (informative)Details on content assessment methods
B.1 Overview
B.2 Methods for analysis done by PCL on December 20, 2018
B.2.1 General
B.2.2 Test method
B.2.3 File name decoder
Table B.1 – Characteristics of TVs of the NEEA test farm usedfor the March 20, 2019 analysis
37 B.2.4 Workflow for experimental test clips
Table B.2 – File name decoder
Table B.3 – Workflow
38 Table B.4 – Resolve master session: PCL Dolby Vision® 4000 cd/m2
Table B.5 – Resolve master session: PCL HDR10 1000 nit: HDR10 grade
39 Table B.6 – Resolve master session: HLG1
Table B.7 – Resolve master session: HLG2
40 B.3 Methods for analysis done by PCL on March 20, 2019
B.4 Rendering final test clip from DaVinci Resolve Studio 15
B.4.1 HDR10 workflow
Table B.8 – Characteristics of TVs of the NEEA test farm used forthe March 20, 2019 analysis
42 B.4.2 HLG workflow
44 Annex C (informative)Technical description for converting SMPTE ST 2084 to HLG
C.1 Overview
C.2 Step 1: Convert from SMPTE ST 2084 to absolute linear light
C.3 Step 2: convert from absolute linear light to HLG
46 C.4 Encoding using command line tools
C.4.1 General
C.4.2 25 fps HDR10 CLI Encode via FFmpeg
47 C.4.3 25 fps HLG CLI Encode via FFmpeg
48 Bibliography

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BSI PD IEC TR 63274:2021
$189.07