I have been using this tool for years. If anyone is interested
This tool permits embedding, editing, and exporting of metadata in Broadcast WAVE Format (BWF) files. This tool can also enforce metadata guidelines developed by the Federal Agencies Audio-Visual Working Group, as well as recommendations and specifications from the European Broadcasting Union (EBU), Microsoft, and IBM.
#audio #musicproduction #mastering
https://mediaarea.net/BWFMetaEdit
Andrew Cane 