On Tuesday 02 May 2006 16:51, John Pugh wrote:
> > Always thought the limit on dvd's was 4.36 gigs.
> >
> > JamesS
>
> DVD manufacturers use decimal (base 10) rather than binary (base 2) so
> a 4.7GB advertised DVD will hold 4.7 GB of data...however your program
> probably states binary and not decimal so in reality it holds 4.38 GB -
> GENERALLY SPEAKING.
>
> I think so far everyone has stated the same thing in different
> ways....
Hmmmmm....Yeah, I guess so. Thanks to all. I still swear that I used to be
able to get more than that on a disk though.
>
> All writeable DVD formats use 2048 bytes per sector, most state the
> number of sectors available. However, the available sectors available to
> "data" vary by manufacturer...DVD+R should have 2, 295,072 sectors.
> Which rounds to 4.7GB (in decimal notation) using spec version 1.2.
>
> Another factor - defect management - but we'll leave that for another
> day.
>
OK, thanks guys, Guess I have to go back and shrink it again.
Bob S.
-----------------------------------------------------------------------
This list is provided as an unmoderated internet service by Networked
Knowledge Systems (NKS). Views and opinions expressed in messages
posted are those of the author and do not necessarily reflect the
official policy or position of NKS or any of its employees.
This archive was generated by hypermail 2.1.3 : Fri Aug 01 2014 - 18:33:51 EDT