Back eons ago when I first started using digital hardware/software to
edit motion pictures, the MO was considered to be a less expensive
storage option (with its drive) than hard drives. It's hard to believe
that a 450 MB hard drive would have about cost $1000 then. But, the
technology for MOs wasn't perfected then (they became corrupted) as I
lost some audio/video files in trusting them. I would guess that has
Family Theater Productions
Richard L. Hess wrote:
> You raise good points about the M-O structure of MDs. I hope I was
> careful to address the player issue in my original post. Your friend
> may be correct, but I believe most life-time analysis has been done on
> industrial M-Os not MDs. I'm sure not trusting my stuff to MD. I
> consider it a capture medium, not an archival medium.
> There have been both manufacturer and independent testing about the
> longevity of the Phthalocyanine dye used in the MAM-A discs. It is
> claimed that this is a Mitsui patent.
> I suspect that the writing drive is an issue for both MDs and CDs.
> Jerry can chime in with more details here.
> I'm using managed disc drives for much of my current storage and I am
> a fan of managed storage in the data domain. I am not a fan of
> dedicated formats in general for archiving. I make an exception for
> gold audio CD-Rs as they are readable in computers as well as audio
> At 06:11 PM 10/13/2005, you wrote:
>> Richard, I can't speak to the future players, but a radio friend of
>> mine thinks that MDs are MORE archival as they have magneto-optical
>> recording and may last longer than the only-chemical CDs. He took the
>> time and trouble to transfer 20 years of weekly programs to MD for
>> the permanent archive on this theory.
>> Do you think he might be wrong? Discounting the availability of
>> players, for the sake of discussion. You are probably right about
>> that the way things are going with the players though nothing is
>> gospel any more.
>> Thanks for your opinion!
>> Lou Judson . Intuitive Audio
>> On Oct 13, 2005, at 1:59 PM, Richard L. Hess wrote:
>>> Digitally transfer them to two CD-Rs and store the CD-Rs. Or better
>>> yet, if you have a managed digital archive that can accept them,
>>> store them in that.
>>> I don't think many of us think that MDs are archival. I wouldn't
>>> worry about an archival box for a medium that probably isn't
>>> archival. I don't think we can expect the long-term availability of
>>> MD players as compared to CD players.
>>> Good luck!
> Richard L. Hess [log in to unmask]
> Aurora, Ontario, Canada http://www.richardhess.com/
> Detailed contact information: