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Content for  TR 26.999  Word version:  17.0.0

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1  Scopep. 6

The present document provides reference test material and test results for improved usability of technologies in TS 26.118.
The specification TS 26.118 includes several VR media profiles for video and a single media profile for audio with different configuration options. The specification focuses primarily on interoperability requirements for VR360 applications, but does not address performance characterization of the solutions. In order for content providers and the rest of the ecosystem to be able to select and configure the technologies defined in TS 26.118 and to generate content for streaming applications, collecting such information would be most valuable.

2  Referencesp. 6

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
TR 21.905: "Vocabulary for 3GPP Specifica"tions".
TS 26.118: "Virtual Reality (VR) profiles for streaming applications".
TS 26.260: "Objective test methodologies for the evaluation of immersive audio systems".
Nokia OMAF implementation,
Chenghao Liu, Imed Bouazizi, Miska M. Hannuksela, and Moncef Gabbouj. 2012. Rate adaptation for dynamic adaptive streaming over HTTP in content distribution network. Sig. Proc.: Image Comm. 27, 4 (2012), 288-311.
Kevin Spiteri, Rahul Urgaonkar, and Ramesh K. Sitaraman. 2016. BOLA: Nearoptimal bitrate adaptation for online videos. In 35th Annual IEEE International Conference on Computer Communications, INFOCOM 2016, San Francisco, CA, USA, April 10-14, 2016. IEEE, 1-9.
S. Ahsan, A. Hourunranta, Igor D.D. Curcio, E.B. Aksu, FriSBE Adaptive Streaming of Immersive Tiled Video!, ACM Packet Video Workshop, 8 June 2020, Istanbul, Turkey.
I. D. D. Curcio, H. Toukomaa, and D. Naik. 2017. 360-Degree Video Streaming and its Subjective Quality. In SMPTE Annual Technical Conference and Exhibition.
I. D. D. Curcio and S. Ahsan. 2020. Viewport Margins for 360-Degree Immersive Video. In IEEE Multimedia Signal Processing Workshop.
Mehmet N. Akcay, Burak Kara, Saba Ahsan, Ali C. Begen, Igor D.D. Curcio and Emre Aksu, Head-Motion-Aware Viewport Margins for Improving User Experience in Immersive Video, ACM Multimedia Asia, 1-3 December 2021, Gold Coast, Australia.
N00072, "Text of ISO/IEC FDIS 23090-2 2nd edition OMAF", MPEG 132, January 2021
ISO/IEC 23090-22021!, "Information technology - Coded representation of immersive media - Part 2: Omnidirectional media format",

3  Definitions of terms, symbols and abbreviations.p. 7

3.1  Abbreviationsp. 7

For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
Adaptive Bit Rate
Buffer Occupancy Lyapunov Algorithm
Dynamic Adaptive Streaming over HTTP
Full Sphere Bit rate Estimation
Full Sphere
Group Of Pictures
Head Motion Aware
Head Mounted Display
Motion Constrained Tile Sets
Motion To High Quality Delay
Omnidirectional MediA Format
Quality Ranking
Viewport Dependent Streaming
Virtual Reality

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