[Dixielandjazz] CD audio query.

[Paul Edgerton]

Things the others mentioned, like additional sessions that an ordinary
audio-only cd cannot read, are not technically flaws, but any
low-level copy utility will exactly reproduce what is read from the
original disc.

Commercial audio CDs bearing the compact disc logo must comply with
standards known as "red book." Multi-session CDs have another set of
standards. But copy protection, by definition, attempts to skirt these
standards while still leaving the disc readable in a standard player.
Of course, not every player is fully compliant with the standards. In
fact, many players are so bad that normal playback depends on all of
the error correction built into the standard. If the copy protection
scheme used here consumes too many of the error correction bits, then
the playback will have errors too.

Actually, the the solution you originally suggested, playing the disc
in the one player that works and then re-recording the analog signal
is probably about as good as anything you can do to recover data from
the disc. Especially if you are storing the resulting file in
compressed form (e.g. MP3) or on cassette.

On Tue, Jun 9, 2009 at 9:47 AM, M J (Mike) Logsdon<mjl at ix.netcom.com> wrote:
>>>>Also the IsoBuster software mentioned looks like it
> might do the job of copying the audio tracks.<<<
>
> Query:  Wouldn't copying a flawed CD simply copy the flaws as well?
>
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