Maybe it would be better to do the wav embedded stuff via aXML?
https://tech.ebu.ch/docs/tech/tech3285s5.pdf
https://www.masteringmastering.co.uk...wav-files.html
Justin P, or user MRMJP has a good insight on wav, and mastering stuff in post 1 of this thread.
https://forum.cockos.com/showpost.ph...11&postcount=1