Search found 2 matches

by bennvenn
March 17th, 2020, 8:37 am
Forum: Research
Topic: Reverse Engineering the PSX Copy Protection (Wobble Groove)
Replies: 14
Views: 21289

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

This 22khz modulation, do you have more info on it? The TE signal I'm monitoring doesn't modulate, it is simply serial data. There is no demodulation going on in this CD player I'm using either, it is just amplified E - F optical pickup data right before it is fed back into the lens servo circuit. U...
by bennvenn
March 16th, 2020, 6:54 pm
Forum: Research
Topic: Reverse Engineering the PSX Copy Protection (Wobble Groove)
Replies: 14
Views: 21289

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

The wobble... First up, apologies posting to a very old thread. This seems like the place to post what I'm about to attempt - unless it has been done and there's a link I could read up on? Watching MVG's video last week sparked an interest in this that i've had for a while now. I wen't to an opshop ...