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Posted by Little Red Hen on 12/17/06 07:40
"Little Red Hen" <whodunnit@mysteryl.com> wrote in message
news:Er4hh.9412$HU.3836@news-server.bigpond.net.au...
>
> "AndrewD" <andrew_duerden@excite.com> wrote in message
> news:1166313923.871428.149410@80g2000cwy.googlegroups.com...
>> Can someone explain to me why I can only record around one hours worth
>> of TV on my Sony DVD recorder on the highest quality setting? I can
>> buy a DVD box set of a TV series (24 for example) on which they manage
>> to fit 4 episodes in high quality dolby 5.1 surround sound.
>>
>> Why can I not fit the same amount of data onto a normal recordable DVD?
>>
>> Thanks
>>
>
> Commercial DVD's are pressed not burnt.
>
> So the capacity is larger due to the process that is used, whilst
> DVD+/-R's for burning are limited to single or double layer capacity.
> www.videohelp.com is your friend
There are four physical variations of pressed DVDs, each with a different
data capacity:
DVD-5 (4.7 GB) single sided/single layer. The pressed equivalent of a
standard recordable DVD.
DVD-9 (8.54 GB) single sided/dual layer. The second layer allows nearly
double the amount of data to be stored.
DVD-10 (9.4 GB) double sided/single layer. Double sided discs have to be
turned over to play the second side.
DVD-18 (17.08 GB) double sided/dual layer. The largest capacity possible,
twice the size of a DVD-9.
/ There are four physical variations of pressed DVDs, each with a different
data capacity: DVD-5 (4.7 GB) single sided/single layer. The pressed
equivalent of a standard recordable DVD.DVD-9 (8.54 GB) single sided/dual
layer. The second layer allows nearly double the amount of data to be
stored.DVD-10 (9.4 GB) double sided/single layer. Double sided discs have to
be turned over to play the second side.DVD-18 (17.08 GB) double sided/dual
layer. The largest capacity possible, twice the size of a DVD-9./ There are
four physical variations of pressed DVDs, each with a different data
capacity: DVD-5 (4.7 GB) single sided/single layer. The pressed equivalent
of a standard recordable DVD.DVD-9 (8.54 GB) single sided/dual layer. The
second layer allows nearly double the amount of data to be stored.DVD-10
(9.4 GB) double sided/single layer. Double sided discs have to be turned
over to play the second side.DVD-18 (17.08 GB) double sided/dual layer. The
largest capacity possible, twice the size of a DVD-9./ There are four
physical variations of pressed DVDs, each with a different data capacity:
DVD-5 (4.7 GB) single sided/single layer. The pressed equivalent of a
standard recordable DVD.DVD-9 (8.54 GB) single sided/dual layer. The second
layer allows nearly double the amount of data to be stored.DVD-10 (9.4 GB)
double sided/single layer. Double sided discs have to be turned over to play
the second side.DVD-18 (17.08 GB) double sided/dual layer. The largest
capacity possible, twice the size of a DVD-9.
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