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DVD Protocols.

 
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jjmac
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Joined: Fri Apr 08, 2005 2:32 am
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Location: Sydney, Australia

PostPosted: Wed May 18, 2005 10:59 am    Post subject: DVD Protocols. Reply with quote

What kind does LXF use ?

I remember there was some mention on the old site ....

Is there any reason for the type used ....

Reading on 64bit Gentoo coming on a DVD ... yes, good news.

Just kinda curious, i guess Smile

TIA

jm

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nelz
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PostPosted: Wed May 18, 2005 1:51 pm    Post subject: RE: DVD Protocols. Reply with quote

What do you mean by "protocols"? If you mean filesystem, it's ISO9660. If you mean the boot system used, then it depends on what we are booting. if the distro chose to use isolinux, so do we.
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jjmac
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Joined: Fri Apr 08, 2005 2:32 am
Posts: 1996
Location: Sydney, Australia

PostPosted: Thu May 19, 2005 12:31 pm    Post subject: RE: DVD Protocols. Reply with quote

The +R, -R, RW associations. I remember you mentioned something about 'density' in relation to those on a page in the old site, iirc. As would e obvious, I'm not very up on those concerns, so can't really judge how significant they might even be.

I used the term 'protocols' as i though they may refere to how the device firmware delt with writing and reading.

Though, for all i'd know ... they may refer to something completely different.

Basically trying to save myself from making a bad/limited purchase on a unit.


jm

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nelz
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PostPosted: Thu May 19, 2005 1:27 pm    Post subject: RE: DVD Protocols. Reply with quote

The coers discs are none of DVD-R, DVD+R, DVD-RW or DVD+RW, they are DVD-ROM discs. The others are all types of recordable discs, whereas production discs are pressed, not recorded.

If you're thinking of buying a recorder, almost all of them handle all five types of disc anyway.
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Nobber
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Joined: Mon Apr 11, 2005 4:24 pm
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PostPosted: Thu May 19, 2005 3:33 pm    Post subject: RE: DVD Protocols. Reply with quote

Here's something I've wondered about: on the occasions that LXF has included a double-sided DVD, why was that format chosen over a double-layer DVD? And: would carrying a (full-up!) double-layer DVD with each issue drive up production costs (or nelz's blood pressure) unacceptably?
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jjmac
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PostPosted: Sat May 21, 2005 2:01 pm    Post subject: RE: DVD Protocols. Reply with quote

>>
If you're thinking of buying a recorder ...
>>

Can't miss out on 64 bit Gentoo Smile

If that issue is already out, it hasn't got this far yet (grin) ...I'm really looking forward to that. I'm been planning on doing a kind of,' from scratch' type of build, using the stage-1 package as a jumping off point. It might be cheating a bit, but ... a person has got to start somewhere.

>>
... almost all of them ...
>>

Ok, i can see what you mean by pressed discs'. Your disc will act as copy for a press run. But ... is there much of an issue with those different types, between themselves.


jm

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nelz
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PostPosted: Sat May 21, 2005 10:07 pm    Post subject: Re: RE: DVD Protocols. Reply with quote

jjmac wrote:
Ok, i can see what you mean by pressed discs'. Your disc will act as copy for a press run. But ... is there much of an issue with those different types, between themselves.


Actually, the master is supplied as an ISO image on HD, not a disc.

If you are burning discs for computer use, there is no significant difference really. if you want to make video DVDs to play in a DVD player, it can make a difference. Some players don't like DVD+R, others don't like DVD-R. As most writers do both, buy a few blanks of each and see which your player likes best.
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jjmac
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Location: Sydney, Australia

PostPosted: Mon May 23, 2005 11:43 am    Post subject: RE: Re: RE: DVD Protocols. Reply with quote

It would be mainly for the computer ... backups and magazine discs. And hopfully the occasional iso image (grin), if i can wrangle the download allocation/time.

Best to get a unit that includes the lot i guess. hmmm thanks for that, i'll remember the hint for video players Smile


jm

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jjmac
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Joined: Fri Apr 08, 2005 2:32 am
Posts: 1996
Location: Sydney, Australia

PostPosted: Tue Jun 14, 2005 11:56 am    Post subject: RE: Re: RE: DVD Protocols. Reply with quote

Got it figured ... seems i was completely on the wrong track. What i though were protocols are really formatting techniques Rolling Eyes

Anyhow ... found a good link if anyone else is/was as uneducated as myself on dvd's/recorders

http://www.dvddemystified.com/dvdfaq.html

Seems there not as scary as i was first thinking, after all Smile


jm
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