Description of the issue

auLen is 0 but preroll frame shall not be empty


ISO IEC 23003-3 (USAC):
auLen: Common sense, auLen is AccessUnit length, and AccessUnit uses UsacFrame which can not be empty

Possible solution/action

ISO IEC 23003-3:
Fix the encoder in order to correctly fill auLen in the AudioPreRoll element, then reencode the content.



QC.EBU.IO Test Items

Audio Coding Syntax