3 Definitions and abbreviations

26.1403GPPMedia formats and codecsMultimedia Messaging Service (MMS)TS

3.1 Definitions

For the purposes of the present document, the following terms and definitions apply:

continuous media: media with an inherent notion of time, in the present document speech, audio and video

discrete media: media that itself does not contain an element of time, in the present document all media not defined as continuous media

scene description: description of the spatial layout and temporal behaviour of a presentation, it can also contain hyperlinks

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in 3GPP TR 21.905 [1] and the following apply:

3GP 3GPP file format

AAC Advanced Audio Coding

AVC Advanced Video Coding

CC/PP Composite Capability/Preference Profiles

CPB Coding Picture Buffer

DIMS Dynamic and Interactive Multimedia Scene

DLS Downloadable Sounds

DRM Digital Rights Management

Enhanced aacPlus MPEG-4 High Efficiency AAC plus MPEG-4 Parametric Stereo

EXIF Exchangeable image file format

GIF Graphics Interchange Format

HDTV High-definition television

HEVC High Efficiency Video Coding

ITU-T International Telecommunications Union – Telecommunications

JFIF JPEG File Interchange Format

JPEG Joint Picture Expert Group

MIDI Musical Instrument Digital Interface

MIME Multipurpose Internet Mail Extensions

MM Multimedia Message

MMS Multimedia Messaging Service

MPEG Motion Picture Expert Group

MP4 MPEG-4 file format

PIM Personal Information Manager

PSS Packet-switched Streaming Service

SBR Spectral Band Replication

SP-MIDI Scalable Polyphony MIDI

SVG Scalable Vector Graphics

UTF-8 Unicode Transformation Format (the 8-bit form)

VCL Video Coding Layer

XMF Extensible Music Format