X-Message-Number: 18781 From: "Solion" <> Subject: Recording for the ages Date: Tue, 12 Mar 2002 20:36:16 -0800 This is a multi-part message in MIME format. ------=_NextPart_000_0025_01C1CA05.8ED07D40 Content-Type: text/plain; charset="iso-8859-1" I am hoping more people will be sending videos to me for digital encoding to CD But if you have decided to record your own. here is a tip as to what types of CD-R's you may want to use. The CD's I will be using are the Kodak Ultimate golds And TDK both use the Phthalocyanine material to hold the information. You may consider a simple black paper envelope around the CD jewel case to protect them. I am considering a vaccume seal as well to protect them from moisture, but that may be as easy as a ziplock baggie and decient pack. I also want to offer somthing else, But don't know how I would offer it. The idea of doing the CD message could be extended to family members / friends of those who allready have been suspended. I know that some of these people have friends/family who may have dissagreed or have chosen not to be suspended themselves. They could say and share their feelings, Sort of a good bye message in a Cd that can be placed with the patients effects. As for playback in the future, Don't worry about not having a machine to do so, I am packing a specially preped laptop in a sealed container with dry nitrogen. with the ability to rebuild the whole OS and reload all the codecs. Anyone needing it will have it available. But here is a bit of research on CD-R's CD-R Color Is A Guide To Longevity The color of the reflective foil and the color of the dye determine the CD-R's final color. The foil usually doesn't play a major role in CD-R lifespan. Although aluminum foil can oxidize enough to affect recoding, this is rare and happens only in extreme conditions. Gold foil is almost totally inert, and hardly ever causes trouble. The dye type matters more, because dyes have different chemical compositions, and thus different life spans. The four major dye types used in CD-Rs can be identified by their intrinsic color: a.. Cyanine is the most widely used and cheapest CD-R dye. It looks bluish (as its name suggests) or blue-green when backed by a silver foil, but can look distinctly green when backed by gold foil. a.. Estimates of the dye's useful life range from 10 years to as high as 75 years. But data-storage is an inherently conservative business, so it's wise to assume the worst and plan only on a lifespan of 10 years or so. This makes cyanine-based CD-Rs OK for most routine backups and legal archival purposes. But they may be less acceptable for very long-term historical, business, or family archives, unless you plan to re-record the data onto a new or different medium every decade or so. b.. Phthalocyanine is an-almost transparent, very light aqua color, and usually is backed with gold foil, so a phthalocyanine-based CD-R usually looks golden. For this reason, and because the dye is exceptionally durable, it's sometimes called the "gold standard" of CD-Rs. a.. Although phthalocyanine CD-Rs may be expensive overkill for routine storage, they're tops for long-term archiving, with a reputed shelf life of something like 100 years. c.. Formazan is a light green color, and is usually backed by gold foil, producing a greenish gold CD-R. It's actually a hybrid of cyanine and phthalocyanine, and combines the qualities of both. d.. Metallized AZO is a dark blue, and is normally used with silver foil, which gives the CD-Rs a dark blue appearance. Metallized AZO is said to have a long shelf life, approaching that of phthalocyanine. ------=_NextPart_000_0025_01C1CA05.8ED07D40 Content-Type: text/html; [ AUTOMATICALLY SKIPPING HTML ENCODING! ] Rate This Message: http://www.cryonet.org/cgi-bin/rate.cgi?msg=18781