What exactly is the purpose of the the "Remux when audio track is AC3" option? What does it do? If I have an AC3 track, wouldn't I want to just leave that in the stream and let my receiver decode it? I mean, there's an option for keeping the DTS signal in the stream... I think I'm just confused about exactly what it's supposed to do. Also, since I have to set a bitrate for AC3 audio, does that mean that it is compressing it for streaming, thus I am not getting the original AC3 track in the first place?