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In Reply to: hi martin, can you do me a favour posted by Christine Tham on November 15, 2005 at 22:36:16:
Hi Christine,I'll see what I can do. I do have numerous AIX titles -- DVD-5s -- which use the same authoring, including MLP, DTS, Dolby, and LPCM mixes like the Stravinsky disc which Charles Hanson has.
A while back, I did download the DVD-Decryptor stuff out of curiosity, and I'll see if I've still got them on my hard drive somewhere.
b.t.w. I could be wrong about these discs not duplicating the LPCM in Audio_TS and Video_TS, I did ask Mark a while back, but I never got a straight answer!
However, I still find it hard to believe they could do that from a space standpoint.
Follow Ups:
Thanks. look forward to your observations.*** However, I still find it hard to believe they could do that from a space standpoint. ***
You can probably do the calculation yourself. One DVD-5 can contain around 6 uncompressed CDs. LPCM96/24 takes slightly over twice the data storage, but if you compress it using MLP then it takes around the same space as 1 CD. So in theory you can fit about 6 MLP 96/24 2.0 tracks on one DVD-5.
MLP 96/24 5.1 takes about 1.5 * uncompressed CD.
I really would like to see solid evidence of a DVD-Audio with proper linking to VIDEO_TS since all the discs that I have seen so far contain duplicated content rather than linking. Maybe that's a limitation of current generation authoring tools, I am not sure.
It's possible that this disc is a dual-layer DVD-9. When I was looking at the various Groups, there were some navigational changes that took a longer time than others, suggesting that a layer change was involved.
-- as are all the other "Bucharest Session" AIX DVDAs -- it would be recognisable as a DVD-9 if it had two-concentric barcode rings. If, however, it's a DVD-5, then just one barcode ring at the center ring is usually present. (At least with the discs I've seen to date.)Also, double-layered sides are sometimes gold-colored, while single-layered sides are silver-colored, like a CD.
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