3 Definitions of terms, symbols and abbreviations

26.5113GPP5G Media Streaming (5GMS)Profiles, codecs and formatsTS

3.1 Terms

For the purposes of the present document, the terms given in 3GPP TR 21.905 [1] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in 3GPP TR 21.905 [1].

5GMS Profile: a set of UE capability requirements associated to a media-centric service scenario.

HD-HDR: the capability of a UE to present video signals with all the following: at least Full-HD resolution, bit depth of at least 10, at least 60 frames per second, Wide Colour Gamut and High Dynamic Range.

MPEG-H: It is a group of international standards under development by the ISO/IEC Moving Picture Experts Group (MPEG) – formally known as ISO/IEC 23008 – High efficiency coding and media delivery in heterogeneous environments

3.2 Symbols

Void.

3.3 Abbreviations

For the purposes of the present document, the abbreviations given in 3GPP TR 21.905 [1] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in 3GPP TR 21.905 [1].

5GMS 5G Media Streaming

5GMSA 5G Media Streaming Architecture

AMR Adaptive Multi Rate

AMR-WB Adaptive Multi Rate – Wide Band

API Application Programming Interface

AS Application Server

AVC Advanced Video Coding

AVC-HD Advanced Video Codec – High Definition

CMAF Common Media Application Format

DASH Dynamic Adaptive Streaming over HTTP

EVS Enhanced Voice Services

HD High Definition

HDR High Dynamic Range

HD-HDR High Definition and High Dynamic Range

HEVC High Efficiency Video Coding

HLG Hybrid Log-Gamma

HLS HTTP Live Streaming

IMSC Internet Media Subtitles and Captions

MPEG Moving Picture Experts Group

OMAF Omnidirectional Media Application Format

PSS Packet-switched Streaming Service

TTML Timed Text Markup Language

TV Television

UE User Equipment

UHD Ultra High Definition

VR Virtual Reality

VCL Video Coding Layer