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ISO/IEC 23009-9:2025

Information technology - Dynamic adaptive streaming over HTTP (DASH) - Part 9: Redundant encoding and packaging for segmented live media (REaP)

Standard Details

This document specifies formats for redundant encoding and packaging of live segmented media (REaP).

This document specifies:

a) formats for Interchangeable Live Media Ingest and stream announcement;

b) format and segmentation strategy to generate interchangeable segments;

c) formats for generating interchangeable media presentation descriptions or playlists;

d) formats for efficient cloud storage access and archiving of live segmented media.

e) a protocol for communicating media descriptor files and fragmented media between encoders and packagers.

REaP enables the following:

1) failover support and rejoining of distributed components in the workflow (see Annex E);

2) workflows for live with dynamic ad insertion (DAI) with a decisioning system.

3) workflows with digital rights management (DRM) and content protection.

4) Mixing file and live inputs.

This document specifies additional constraint to formats defined in ISO/IEC 14496-12, ISO/IEC 23009-1, ISO/IEC 23000-19 and IETF RFC 8216.

General Information

Status : ACTIVE
Standard Type: Main
Document No: ISO/IEC 23009-9:2025
Document Year: 2025
Pages: 32
Edition: 1.0
  • Section Volume:
  • ISOIEC JTC 1.SC 29 Coding of audio, picture, multimedia and hypermedia information
  • ICS:
  • 35.040.40 Coding of audio, video, multimedia and hypermedia information

Life Cycle

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ISO/IEC 23009-9:2025
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