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Multiple levels of audio is because "loss less" tracks like DTS HD have multiple components to them; a "lossy" track (DTS) and a "differences between lossy and loss less" track. "TrueHD" is the same, where "Dolby Digital" is the lossy track within T...

Thanks about the subtitle explanation, what about the Audio?

Why do Audio and subtitles have multiple levels? Image below for reference For Subtitle it says "PSG English" and "PSG English (forced only)". Do I have to select both? What happens if I select only one? In HandBrake only one shows up even if I select both levels. Does it have an...

So is the purchase lifetime? or annual? does it have expiration date?