Description of the issue

(container format) (container element) (container field) (container value) implies a channel layout of L R, a channel layout of (channel layout) is not recommended


Best practice


ISO IEC 14496-1 (MPEG-4 Systems):
audioProfileLevelIndication: xHE-AAC profile is intended for stereo content, a channel layout not of L R is unusual and content may be outputted as L R or not outputted at all

Possible solution/action

ISO IEC 14496-1:
Configure or update the USAC encoder in order to put a channel layout of L R, then reencode the content.