I thought all media was at least 1X capable

[atreides93]

I'm confused by some results I got this past weekend with my DUPEZ 4X dvd-r media. I picked up a 50 pack from rima.com

Anyway, they burn fine at 4x on my NEC 1300A with the latest standard firmware (107).

But, when I use them on my new Sharp DVD Recorder, they dont' burn well at all. I get various errors and can only read them back at 1x speeds if I'm lucky. The thing is, the Sharp burns at 1X !! I assumed 1X was the most basic standard and all media should burn fine at it if they can handle 4X in a 4x burner????

I suppose there's still a lot I don't know about DVD-R media..if anyone can shed light on this, please feel free to post.

[alexnoe]

I assumed 1X was the most basic standard and all media should burn fine at it if they can handle 4X in a 4x burner???? Theoretically: yes:

Let me give you an illustration with CD-R media, namely Verbatim 48x DLP (writer: Plextor Premium):

52x (http://www-user.tu-chemnitz.de/~noe/PlexTools_Prof_Scans/Mitsubishi/CD-R_48x/Burn_PP_52x/Cx_gr.gif)
4x (http://www-user.tu-chemnitz.de/~noe/PlexTools_Prof_Scans/Mitsubishi/CD-R_48x/Burn_PP_4x/Cx_gr.gif)

Now Maxell 2x DVD-R media in my A03:
1x (http://www-user.tu-chemnitz.de/~noe/CDF/KProbe_Scans/DVD_Brennquali/Maxell/Maxell_1x.gif)
2x (http://www-user.tu-chemnitz.de/~noe/CDF/KProbe_Scans/DVD_Brennquali/Maxell/Maxell_2x.gif)

If your Sharp dvd-r recorder is not optimized for the media you are trying to use, then it won't work anyway.

[atreides93]

hmmm, well i remember for my A03 that it needed new firmware so it was "optimized" to burn 2X media. but I thought the general understanding was that 1x burning didn't need any special optimization for different brands :(

i wonder if the sharp recorder is defective or something. i'm going to try it with some riteks..i only have ritek g04's.

[alexnoe]

1x burning didn't need any special optimization for different brandsIf the discs follow the specs, then it *can* work without. If they don't, what the majority of the discs do, forget that idea...

[atreides93]

hi alex,

yea i think you're right. so from what i can see, leaddata disks SUCK big time.
i just put in a Ritek G04 in my sharp recorder, and guess what? it burned it 1x just fine!! So it isn't my Sharp recorder, its the stupid leaddata disk. ah well...that's what I get for trying a cheaper brand.

[alexnoe]

LeadData: > http://www-user.tu-chemnitz.de/~noe/CDF/KProbe_Scans/DVD_Brennquali/LeadData/LeadData_4x.gif

/me is drooling