I would hope they would have some level of quality control written into their contracts, if they are not doing the conversion themselves. (And, given the multi

I would hope they would have some level of quality control written into their contracts, if they are not doing the conversion themselves. (And, given the multiple bit depths and whatnot, I have to wonder whether they are not doing the conversions.) Worst case, they should ping the owners and request a corrected copy. Although... such production companies probably die back, technically, after the products (DVD, BluRay, stream, etc.) ship (as a wild guess). P.S. In another case, I actually managed to communicate the problem directly to the content's original author. Still waiting to see whether that produces a fix (video and audio out of sync, sometimes over a second so).