Re: Ile się traci MB przy dogrywaniu sesji DVD

Tomek napisał(a):
> Akurat mam - , ale chętnie się dowiem też o +.

Pozwolisz, że wkleję cytat z WWW:
"However, the size of these border zones is quite amazing : 32 to 96 MB
for the first zone, then 6 to 18 MB for the next ones. This means that a
disc containing 3 recorded sessions can require up to 132 MB (more than
2% of the complete storage capacity) just for separating these regions.
Furthermore, the border-out and border-in areas have to be linked
together, using one of the 3 methods (and the possible associated
problems) explained previously. Note also that for some unknown reason a
border-out is needed before the lead-out, while the first border-in is
replaced by the lead-in.
On the other hand, when multiple recording sessions are used on a
DVD+R(W) disc, Intro and Closure zones are used (the counterpart of
border-in and border-out), but they are always 2 MB large : therefore,
with + format, a 3 sessions disc always uses only 4 MB to delimit the
regions (the lead-out replaces the last Closure zone). Also a nice
feature of multi-sessions implementation on DVD+R(W) is that one can use
a session to reserve space, i.e. sectors which are left unrecorded (this
blank area is called Reserved Fragment). Thus, additional data can be
recorded in next sessions while the first one will only be written later
> this can be useful for instance when a precise location on the disc
has to contain file system tables, which can only be filled after all
the files have been written to the disc."

Reszta na http://www.cdfreaks.com/article/113

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