prBAS ISO/IEC 23009-9:2026

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.