Release Note

Version 1.5 release
Release Date: September 15, 2020

This version includes test signals in compliance with ETSI TS 103 190-2 v1.2.1 and Dolby AC-4 decoder v2.3.2. This kit can be used by licensees who produce content and by all of the partners of the Dolby ecosystem.

If you have any questions, please contact us by systemsupport@dolby.com

This section lists updates from the previous version.

Documentation:
- Update AC-4 signaling in HLS.
- Update content creation system interactive test procedure help.
- Update content creation test procedure.
- Remove playback system interactive test procedure help.
- Remove playback test procedure.

Test signals
- New audio and video source content.
- Add an AC-4 5.1.4 channel-based immversive use case.
- Add a multiple-audio-codec use case.
- Add example streams for HLS and DASH: streams encoded with different audio channel, audio codecs and languages, and with different video codec and bitrate.
- Add high frame rate video. 
- Remove DVB MPEG-2 TS streams.
- Remove AC-4 elementary streams containing multiple presentations.

Test Tools
- Two new test tools, stream validator and stream demuxer, are included in the kit. 
  The stream validator is an online tool to replace the MP4Validator and the HLSValidator. 
  The stream demuxer can demultiplex Dolby codec streams from supported files.

Known issues:
- There is no interactive test procedure and test procedure guide for playback systems.
            
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See the Release Notes for more information about the kit.