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Posted by def456 on 02/22/07 14:41
"MassiveProng" <MassiveProng@thebarattheendoftheuniverse.org> wrote in
message news:t2iqt2liolhj8gt6j4pe7h66c0rq96paor@4ax.com...
> On Thu, 22 Feb 2007 06:49:49 GMT, "def456" <def456@none.none> Gave us:
>
>>> ALL DVD players play dual layer media as nearly ALL DVDs are DL.
>>>
>>> DOH!
>>>
>>> However, all DVD players may not be happy with all recordable
>>> formats.
>>
>>Would you care to elaborate?
>>
> Commercial DVDs (those made by the film studios) are NOT burned.
> They are stamped out in a factory. There is NO laser involved once
> the master mold is burned, and that is a glass plate.
>
> A DVD player was initially intended to play these discs, and many
> also played audio CDs.
>
> When they started to include things like MP3 playback capability
> (only comes from burned media), and the capacity to play back content
> on customer recorded media, not every maker jumped on board, and not
> all that did applied it to every model, nor did they include every
> type of burned media available at that time. Also, said burned media
> has morphed several times since then, and many DVD players are
> designed months ahead of their actual manufacture and release into the
> market.
Thanks for that very interesting historical info! I was wondering how
commercial DL DVDs managed to be compatible with virtually all DVD players.
Now that mystery is clarified. I'm curious whether the "universal" film
studio format is entirely public knowledge or do they keep some aspect(s) of
it secret?
If I understand correctly then, from a personal point of view, re backing up
movies (only)... it becomes a matter of finding a DVD reader, DVD burner,
DVD media (including DL and single layer discs), and DVD player which are
most nearly compatible with each other. At least that's my objective.
I'm still a relative newbie with DVD video, and my interest started less
than 30 days ago. Before that, DVDs were just a way to backup my important
computer data so I could recover after a crash. All of my prior video
experience was with VHS and S-VHS. I decided that DVDs were the wave of the
future, so here I am. :)
In just the last few days, I've realized that the main part of my problem
was my 3-4 year old Emerson DVD player (EWD7003), which won't play the
Verbatim DL discs. If I understand correctly, those are the best DL discs
available at reasonable cost ($2 or less), so I'm redesigning my system
around them. After a fair amount of reading and research, I've just ordered
a new standalone Sony DVD player (DVP-NS57P) in hopes it will be more
compatible. I'm still happy with my computer's LG DVD burner (GSA-4167B)
which is only about a year old. So far the Taiyo Yuden single sided discs
seem compatible with everything, so it's mostly a problem with DL disc
compatibility. Any suggestions appreciated in those regards...
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