I used Graphedit to emulate a Pro-Logic II decoder and create a multi-channel WAV file, WinHex to edit the WAV, BeSweet to split the multi-channel WAV into 5 separate WAVs, and Vegas to align and create the master AC3 file.
I used Graphedit to emulate a Pro-Logic II decoder and create a multi-channel WAV file, WinHex to edit the WAV, BeSweet to split the multi-channel WAV into 5 separate WAVs, and Vegas to align and create the master AC3 file.