Quote:
Originally Posted by nevcairiel
If you're processing a Blu-ray disc, there is usually never a reason to convert any audio streams - with one exception, some hardware player that can't deal with DTS or something like that.
But short of that, with HD audio just keep the DTS core, or the AC3 substreams from TrueHD, or just the plain DTS/AC3 streams.
Converting any lossy codec to another lossy codec is always going to recuce the quality.
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I admit I'm not an expert on this subject. I understood that DTS is better quality than AC3 or AAC. However, in this GUI there is an option to convert to DTS from AC3 in the format drop-down so I don't really know what it was doing there. It simply failed at the end saying I didn't have the DTS encoder program installed.
The physical Blu-Ray says it has AC3 streams on it. I extracted that without issue as AC3. I have noticed though that the file sizes between these formats are obvious.