[svlug] Fwd: Ripping DVDs ... and MythTV

Kristian Erik Hermansen kristian.hermansen at gmail.com
Fri Nov 30 19:29:22 PST 2007

On Nov 30, 2007 12:48 PM, Sam J. Juvonen <sam at riihi.com> wrote:
> Just a thought regarding dd and corrupted blocks (intentionally or
> not): do you think ddrescue
> (http://www.gnu.org/software/ddrescue/ddrescue.html) would help? I

ddrescue won't help on CSS DVD's, since it still doesn't do firmware

> think I'll give it a try on a couple of DualDisc CD-like objects I
> have that take forever and/or fail with cdparanoia. As I understand
> it, read errors on DualDiscs are not necessarily a copy protection
> mechanism, but could be because the disc is too thick for some readers
> - so a couple rounds of ddrescue might help. Is this correct?

It may work on DualDisc, but I am unsure of their protection schemes.
I would highly doubt it being so simple though...
Kristian Erik Hermansen
"I have no special talent. I am only passionately curious."

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