ISO/IEC 23006-2:2016 情報技術—マルチメディアサービスプラットフォーム技術—パート2：MPEG拡張可能ミドルウェア（MXM）API | ページ 6

3.1.1

Aggregated Service

service resulting from the combination of Elementary Services (3.1.2)

3.1.2

Elementary Service

basic unit of service (3.1.13)

3.1.3

content

Digital Item and its component elements, namely resources (e.g. media, scripts, executable), identifiers, descriptions (e.g. metadata) and event (3.1.6) reports

3.1.4

contract

set of metadata, licenses (3.1.8) , promises and signers agreed by users (3.1.15) of a multimedia value chain (3.1.16) , where a promise is a signed collection of statements about, e.g. obligations, prohibitions and assertions, and a signer is a user whose signature makes the contract valid

3.1.5

device

hardware/software or simply software apparatus that enables a user (3.1.15) to play a role (3.1.12) in multimedia value chains (3.1.16)

3.1.6

event

performance of a specified set of functions or operations

3.1.7

entity

one of the following elements in the multimedia value chain (3.1.16) : content (3.1.3) , contract (3.1.4) , device (3.1.5) , event (3.1.6) , license (3.1.8) , service (3.1.13) , and user (3.1.15)

3.1.8

license

collection of authorizations, conditions and payment terms granted by a user (3.1.15) to other users

3.1.9

protocol

set of rules and data format used by two devices (3.1.5) to communicate

3.1.10

resource

individually identifiable asset or a sequence of assets

3.1.11

right

ability of a user (3.1.15) to perform an operation in the multimedia value chain (3.1.16)

3.1.12

role

ability of a user (3.1.15) to perform a set of operations in the multimedia value chain (3.1.16)

3.1.13

service

operation performed on an entity (3.1.7) by a user (3.1.15) on behalf of other users

3.1.14

service provider

user (3.1.15) offering services (3.1.13) to other users

3.1.15

user

participant in multimedia value chains (3.1.16)

3.1.16

value chain

collection of users (3.1.15) , including creators, end users and service providers (3.1.14) , that conform to this document

3.1.17

MPEG-M Application

application that runs on an MPEG-M device (3.1.18) and makes calls to the MPEG-M Application API and MPEG-M Engine APIs (3.1.20)

3.1.18

MPEG-M Device

device (3.1.5) equipped with a selected set of MPEG-M Engines (3.1.19)

3.1.19

MPEG-M Engine

collection of specific technologies that are bundled together to provide a specific functionality that is needed by MPEG-M Applications (3.1.17)

3.1.20

MPEG-M Engine API

API of a single MPEG-M Engine (3.1.19)

3.1.21

MPEG-M orchestrator API

API of the MPEG-M Orchestrator Engine (3.1.22)

3.1.22

MPEG-M Orchestrator Engine

special MPEG-M Engine (3.1.19) capable of creating chains of MPEG-M Engines

Note 1 to entry: It is also to set-up a sequence of connected MPEG-M Engines for the purpose of executing a high-level application call such as Play.

3.1.23

MPEG-M Technology

technology that is required to implement an MPEG-M functionality