DICOM PS3.22 2020a - Real-Time Communication

3 Definitions (Current)
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# 3 Definitions

For the purposes of this Standard the following definitions apply.

## 3.1 Reference Architecture Definitions:

This Part of the Standard makes use of the following terms defined in [EBU-SMPTE-VSF JT-NM Phase 2 Report]:

Essence

  Video, audio or data type of source.

Flow

  A sequence of Grains from a Source; a concrete representation of content emanating from the Source.

Grain

  Represents an element of Essence or other data associated with a specific time, such as a frame, or a group of consecutive audio samples, or captions.

Rendition

  A collection of time-synchronized Flows intended for simultaneous presentation, providing a complete experience of a Source Group.

Source

  An abstract concept that represents the primary origin of a Flow or set of Flows.

## 3.2 DICOM Real-Time Video Definitions:

DICOM Real-Time Video

  DICOM-RTV encompasses the DICOM-RTV Service, transport of related multimedia bulk data and the Real-Time IODs to which it may be applied.

DICOM-RTV Service

  Real-Time transport of metadata which characterize multimedia bulk data.

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DICOM PS3.22 2020a - Real-Time Communication