DASH Industry Forum (DASH-IF) has issued Version 3.0 of its Interoperability Implementation Guidelines, which include interoperability points for enhanced live, on-demand and time-shifted video streaming using AVC/H.264 and HEVC/H.265 codecs.
The guidelines support default HE-AAC and optional multichannel audio codecs, SMPTE-TT and CEA-608/708 closed caption formats, as well as common encryption (CENC) to support various digital rights management (DRM) systems.
Based on the second edition of the ISO/IEC 23009-1 (MPEG-DASH) standard, and incorporating enhanced live and ad insertion features, these guidelines enable deployment of live services and dynamic ad insertion with a single set of technologies.
This means that a common DASH client implementation can be used to receive content for various streaming use cases and applications, enabling service and content providers to reach more DASH clients with the same set of publishing guidelines.
“With the publication of our V3.0 interoperability guidelines, the OTT streaming industry can now build even more enhanced live and advanced ad insertion streaming services and applications using the latest DASH technologies and advanced codecs,” said Iraj Sodagar, chairman of DASH-IF.
Will Law, vice chairman of DASH-IF, said that the latest release addresses two of the most challenging aspects of any media delivery solution – live services and ad insertion – and further extends the format in the areas of video and audio codecs, content protection and captioning.