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Re: DVD-player troubles with outer half of DVD+R

Posted by Franc Zabkar on 10/15/47 11:47

On Tue, 02 May 2006 10:12:55 +0200, Lars-Erik Østerud <.@.> put finger
to keyboard and composed:

>Franc Zabkar:
>
>> >What is the difference between CAV, P-CAV and CLV anyway?
>> >Will some of them give better "marks" in the dye than others?
>>
>> This is pure speculation on my part, but I would expect that CLV
>> (constant linear velocity) mode would produce the most reliable and
>
>I thought that way as well. With only CAV the speed (from the laser
>point of view) on the outer part of the disc must be very high. And I
>guess that is why there are more PIE errors (the "pits" that are
>burned must have "not-to-sharp" edges as well I guess.

That's what I'm thinking. With a constant linear velocity the laser
must spend the same amount of time over each "pit" and "land",
irrespective of whether it is near the hub or at the outer edge of the
disc. The laser's intensity would remain constant as well.

- Franc Zabkar
--
Please remove one 'i' from my address when replying by email.

 

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