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TS 26.118
3GPP Virtual Reality Profiles
for Streaming Applications

V18.0.0 (PDF)  2023/03  90 p.
V17.0.0  2021/06  91 p.
V16.3.0  2021/06  85 p.
V15.3.0  2020/12  71 p.
Rapporteur:
Dr. Stockhammer, Thomas
Qualcomm CDMA Technologies

26.118 3GPP Virtual Reality Profiles for Streaming Applications

essential Table of Contents for  TS 26.118  Word version:  18.0.0

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List of Figures and Tables

Figure 4.1-1Reference System
Figure 4.1-2Coordinate system
Figure 4.1-3Restricted coverage of the sphere region covered by the cropped output picture with omni_projection_{yaw | pitch | roll}_center the center of the coverage region
Figure 4.1-4Video Signal Representation
Figure 4.1-5Examples of Spherical to 2D mappings
Figure 4.1-6Audio Signal Representation
Figure 4.2-1architecture for VR streaming services
Figure 4.3-1Client Reference Architecture for VR DASH Streaming Applications
Figure 4.3-2Client Reference Architecture for VR Local Playback
Figure 4.4-1Interoperability aspects for 3GPP VR Profiles
Figure 4.5-1Block diagram of Common Informative Binaural Renderer
Figure 5.1-1Video Operation Points
Table 5.1-1High-level Summary of Operation Points
Table 5.1-2Permitted combinations of spatial resolutions and frame rates
Table 5.2-1Video Media Profiles
Figure 6.1-1Audio Operation Points
Table 6.1-1Overview of OMAF operation points for audio (informative)
Table 6.2-1Audio Media Profiles
Table 6.2-2MPEG-H Audio MIME parameter according to RFC 6381 and ISO/IEC 23008-3
Figure 9.2.1-1Client reference architecture for VR metrics
Table 9.3.2-1ViewportDataType
Table 9.3.2-2ViewportItem
Table 9.3.2-3Comparable quality viewport switching latency metric
Table 9.3.3-1Rendered viewports metric
Table 9.3.4-1Device information
Table A.2-1Selected permitted combinations of spatial resolutions and frame rates
Table A.2-2Maximum Percentage of high-resolution area when assuming that the low-resolution area is encoded in 2k resolution, i.e. using 2048 × 1024 or 1920 × 960 and full coverage is provided for different frame rates
Table A.2-3Maximum Percentage of coverage area for different frame rates
Table A.2a-1Selected permitted combinations of spatial resolutions and frame rates
Table A.2a-2Maximum Percentage of coverage area for different frame rates
Figure A.13D XYZ coordinate definition
Figure A.2Mapping of spherical video to a 2D texture signal
Figure A.3Relation of the cube face arrangement of the projected picture to the sphere coordinates
Table A.2-4Face index of CMP
Figure B.1-1High level overview of an external binaural renderer setup.
Table C-13GPP Registered URNs
Figure D.1-1An example of a viewport covered by four quality ranking 2D region
Figure D.1-2An example of a source packed image with four quality ranking 2D regions with different resolutions
Figure D.1-3An example of a viewport covered by four different quality ranking 2D regions
Figure D.1-4Comparable quality viewport switching latency measurement example
Figure D.2-1Clustering example
Figure D.2-2Duration filtering example

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