Search found 3 matches

by Zyo117
May 26th, 2022, 9:09 am
Forum: Research
Topic: Reverse Engineering the PSX Copy Protection (Wobble Groove)
Replies: 45
Views: 79122

Re: Reverse Engineering the PSX Copy Protection (Wobble Groove)

After studying the patent (US 6304971) several times, I think I have some idea how this works, now, and I'll just post it all in the one post to make it easy to understand. Basically, the wobble 'groove' doesn't exist. I don't know where that idea came from, maybe it was a suggestion early in in the...
by Zyo117
May 24th, 2022, 7:09 am
Forum: Research
Topic: Reverse Engineering the PSX Copy Protection (Wobble Groove)
Replies: 45
Views: 79122

Re: Reverse Engineering the PSX Copy Protection (Wobble Groove)

I'm certain it's not located where the TOC is. Every CD has a TOC. It's located where the ATIP is. CD-R's have a pre-recorded ATIP where as pressed PlayStation CD-ROM's have instead the wobble data. At least, that's my understanding. The PMA sounds interesting and if a custom burner firmware was ma...
by Zyo117
May 23rd, 2022, 11:24 am
Forum: Research
Topic: Reverse Engineering the PSX Copy Protection (Wobble Groove)
Replies: 45
Views: 79122

Re: Reverse Engineering the PSX Copy Protection (Wobble Groove)

Now I know that it's sort of bad form both to necro a topic as a first post, and also to continue to perpetuate a somewhat unbelieved bit of hearsay in the PSX world, but I started reading Sony's patent application for their copy protection, and it lead me down a somewhat interesting rabbit hole. Ac...