3 Definitions and abbreviations

26.2443GPP3GPP file format (3GP)Release 17Transparent end-to-end Packet-switched Streaming Service (PSS)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, video, timed text and DIMS

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

PSS client: client for the 3GPP packet switched streaming service based on the IETF RTSP/SDP and/or HTTP standards, with possible additional 3GPP requirements according to [3]

PSS server: server for the 3GPP packet switched streaming service based on the IETF RTSP/SDP and/or HTTP standards, with possible additional 3GPP requirements according to [3]

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in 3GPP TR 21.905 [6] and the following apply.

3GP 3GPP file format

AAC Advanced Audio Coding

AMR Adaptive Multi-Rate Codec

AMR-WB Adaptive Multi-Rate Wideband Codec

AMR-WB+ Extended Adaptive Multi-Rate Wideband Codec

AVC Advanced Video Coding

ADU Application Data Unit

BIFS Binary Format for Scenes

CVO Coordination of Video Orientation

DIMS Dynamic and Interactive Multimedia Scenes

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

EVS Enhanced Voice Services

FLUTE File Delivery over Unidirectional Transport

HEVC High Efficiency Video Coding

HTTP HyperText Transport Protocol

ITU-T International Telecommunications Union – Telecommunications

MIKEY Multimedia Internet KEYing

MIME Multipurpose Internet Mail Extensions

MMS Multimedia Messaging Service

MP4 MPEG-4 file format

MPD Media Presentation Description

PSS Packet-switched Streaming Service

RAP Random Access Point

RTP Real-time Transport Protocol

RTSP Real-Time Streaming Protocol

SDP Session Description Protocol

SRTP Secure Real-time Transport Protocol

URL Uniform Resource Locator