[MacDV] Re: Burning DVD's - 3 Macs at once

Erica Sadun erica at mindspring.com
Thu Dec 25 10:16:32 PST 2003


At 12:11 PM -0600 12/25/03, Mark M. Florida wrote:
>On 12/25/03 10:46 AM, "Erica Sadun" <erica at mindspring.com> wrote:
>
>  > At 6:08 AM -0600 12/25/03, R B Williams wrote:
>  >> 1) I've seen postings about the point where the iMovie
>>>  program downgrades quality in order to fit on a DVD (an
>>>  hour?)  I don't want to hit that wall. How do I know where
>>>  that moment is? Length, size, what???
>>
>>  DVDs *always* downgrade quality. It's the standard
>  > MPEG-2 compression.
>
>I think the main issue was the point at which iDVD goes into "90 minute
>mode" and lowers the bit rate to squeeze in the extra 30 minutes.  From my
>experience, and from what I've read and heard elsewhere, even iDVD's 90
>minute mode is pretty good quality -- unless the source footage is super
>grainy with lots of crazy camera movements, in which case you may get some
>excessive MPEG artifacting...

You're talking to someone who regularly puts 4 and 6 hours of
video on each DVD.

-- Erica



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