3 Definitions and abbreviations

22.2333GPPRelease 17Stage 1Transparent end-to-end packet-switched streaming serviceTS

3.1 Definitions

Client: in the context of Streaming Service the client is a device (or service) that receives media objects and/or multimedia composition instructions from a server.

Media Type: a type of media e.g. text, audio, video, graphics (see section 5.2)

Media Object: an instance of a media type (e.g. a picture) or a combination of instances of media types (e.g. a video clip that includes audio)

Media Attribute: an attribute of a media object depending on the media type e.g. the colour of a piece of text

Multimedia Composition: the position in time and space of media objects relative to one another

Multimedia Services: Services that handle several types of media such as audio and video in a synchronised way from the user’s point of view. A multimedia service may involve multiple parties, multiple connections, and the addition or deletion of resources and users within a single communication session.

Server: in the context of the Streaming Service the server is a device (or service) that delivers media objects and/or multimedia composition instructions in response to client requests.

Streaming: a mechanism whereby media content can be rendered at the same time that it is being transmitted to the client over the data network.

Streaming Service: an alternative way of referring to the PSS.

Terminal Profile: Set of information about the physical capabilities of the terminal.

User Profile: Is the set of information necessary to provide a user with a consistent, personalised service environment, irrespective of the user’s location or the terminal used (within the limitations of the terminal and the serving network).

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in TR 21.905 [6] 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 [6].

CODEC Coder / DECoder

MMS Multimedia Messaging Service

PS Packet Switched

PSS Packet Switched Streaming Service

QoS Quality of Service

UE User Equipment