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2-30] Why is there a visibly unwritten strip near the CD-R hub?




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This article is from the CD-Recordable FAQ, by Andy McFadden (fadden@fadden.com) with numerous contributions by others.

2-30] Why is there a visibly unwritten strip near the CD-R hub?

(1999/12/17)

You haven't closed the session yet. The lead-in area, which includes the
TOC (section (2-27)), isn't written until the session is closed. A space
is left for it that is large enough to see. Read section (2-19) for more
details on what happens when you close a disc.

You will see the narrow unwritten strip if you:

- write a disc, telling the program to leave the disc and session open.
- eject a packet-written disc without having closed it in ISO-9660 mode.
- have a failure during recording in track-at-once mode.

In some cases it's perfectly normal to see this space; it's where the
lead-in area will be written when the session is closed. It's not
necessarily a sign of failure.

If you use disc-at-once recording, the lead-in area is written right away,
so after a failure you won't see the gap.


 

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