[MacDV] Re: Digital Video Quality

[Norm Lamoureux]

Erica,  

     Why would 20 - 30 % of DVD-R media only last
about 10 years or less? They claim to last many
decades. No-name media is just as good as brand name
media? 
Thank's for your input, ...again.

Norm L.



--- Erica Sadun <erica at mindspring.com> wrote:
> >I took the advice and sent a portion of a soccer
> game back to DV 
> >tape from iMovie. The image was just a good as the
> original. Thanks 
> >for the help there. As Erica pointed out the more
> the motion, the 
> >poorer quality the DVD image. I guess that I was
> expecting near 
> >commercial DVD quality from my own iDVD/Toast
> projects. Alas, that 
> >appears to be the proverbial "pipe dream". If I
> send the movie right 
> >to iDVD from iMovie, will I get the best image
> possible?
> 
> No. It all depends on the bitrate, which sets the
> quality of the DVD.
> Unfortunately, some players (particularly those on
> computers) cannot
> play the best quality DVDs with high bitrates.
> Commercial DVDs often
> use lower bitrates, but they use professional
> compressionists and
> excellent quality material so the noise is kept low
> and the quality
> (even compressed) remains excellent.
> 
> >  Does DVD-R media matter?
> 
> No.
> 
> See www.dvdrhelp.com for player compatibility.
> 
> >Do I need to keep a copy of the original on DV Tape
> for future use 
> >(as in further edit sessions, I do not want or have
> the room to keep 
> >my projects on my drive)?
> 
> I recommend it.
> 
> >Was kinda hoping the the DVD would become the new
> archive as well, 
> >but I guess poor image quality and the fact that I
> do not know how 
> >to record my DVDs back to my computer makes that a
> no-go. Oh, my 
> >poor little head is just so full of questions
> <smile>.
> 
> Recordable DVDs are not archival. You may want to
> search the
> list archives for my earlier rants on the subject.
> 
> Expect a DVD-R to play back on only about 80-90% of
> US DVD players.
> Expect 20-30% of your DVD-Rs to fail within a decade
> or less,
> particularly if you bend them in any way.
> 
> -- Erica
> 
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