> I am no expert here, but this sounds way too much GB, for a a PAL format as maximum
> resolution. Any lossless or uncompressed codec would produce much less than 90GB for
> 30minutes.
LASERDISCS. ARE. NOT. DIGITAL. They encode an analog NTSC or PAL composite signal plus separate audio (which *can* be digital on later discs but likely isn't on any of the arcade games).
The captures are large because they're sampling the analog RF signal that's encoded on the disc, and they want to make sure they're not missing any data. It's like an AppleSauce or Kryoflux capture of a floppy, where a 143K disc generates a multi-megabyte capture.
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