Problem AAC 5.1 no longer plays sound through my surround system (it used to), but can still play through TV speakers (eww)   History My setup worked correctly for years with AAC 5.1 files direct playing to the surround system. In fact, AC3 file were problematic on this Roku stick when I first set up my media server a few years ago. So now I have thousands of files in my library that I have deliberately curated to use AAC. I assume something must have auto-upda