This might be addressed somewhere in all of your threads, but for the 5.1 PCM audio file, what speaker order do you have it in? I popped the file into Sony Vegas but couldn’t really differentiate between the 6 (i.e. which track is the Left, Center, Right, Left Surround, Right Surround, and LFE).
I can’t check if this is true right now but I think it’s left, right, center, LFE, left surround, right surround. At least center and LFE should be easy to spot (dialogue versus sub bass).