[MacDV] Re: Why I love my mac

[Ronald Woodland]

It seems, then, that the "-R" and "+R" formats relate to using a DVD 
for data rather than for video.  Is that right?  Can it be said that in 
the consumer DVD video market, a DVD has only one standard format?  Or 
has this fragmented into competing formats too?

Ron Woodland


On Jan 19, 2004, at 11:52 AM, Steven Rogers wrote:

>
> On Monday, January 19, 2004, at 12:37 PM, Mark M. Florida wrote:
>
>> On 1/19/04 12:31 PM, Ronald Woodland at woodland at infowest.com wrote:
>>
>>> Specifically, what value is DVD+R over the DVD-R format for 
>>> single-sided DVDs.
>>
>> The DVD+R format allows multiple sessions on the same disc, so you 
>> could write 4 1 GB sessions until the disc is full.  DVD-R discs are 
>> "closed" or "finalized" after you burn to them just once, no matter 
>> how much (or how little) data you put on it -- seems silly to me, why 
>> the heck would the DVD standards group make it that way?  I dunno.
>
> Its a little more complex than that, since I'm using Retrospect to 
> write multiple sessions on DVD-RWs for backup. But that's the general 
> idea - the way the disks handle multiple sessions is different. In 
> practice, I'm not sure there's any difference between the formats in 
> terms of the way software can use them to provide multi-session 
> features to the end-user.
>
> SR