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Disc rot is the tendency of CD, DVD, or other optical discs to become unreadable because of chemical deterioration. The causes include oxidation of the reflective layer, reactions with contaminants, ultra-violet light damage, and de-bonding of the adhesive used to adhere the layers of the disc together.
Brasso has also been used to polish out scratches in plastics: It has been used to polish CDs, DVDs, screens, and pools to repair scratches. It is a mild solvent and an extremely fine abrasive, so when applied to the reflective surface of the disc and rubbed radially (in straight lines between the edge and centre), it can smooth scratches and reduce their effect.
Wipe the scratched area clean and apply a layer of non-gel toothpaste. Brands with a higher amount of abrasive (such as baking soda varieties) work best. The gentle abrasives rated for teeth are ...
The preservation of optical media is essential because it is a resource in libraries, and stores audio, video, and computer data. While optical discs are generally more reliable and durable than older media types, (magnetic tape, LPs and other records) environmental conditions and/or poor handling can result in lost information.
Vinyl discs can become so dirty and scratched that they are virtually unlistenable. Felt and carbon-fibre brush. It is recommended that discs be cleaned before—and after—each playback, carbon-fibre brushes are quite effective. One of the most renowned cleaning brushes are the RAMAR [7] record brushes.
When in doubt, Picosa recommends reaching for a multipurpose cleaning product like Scotch-Brite's sponges. "I keep packs of them around for dust, toothpaste smears, windows, sinks, countertops ...
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Record restoration, a particular kind of audio restoration, is the process of converting the analog signal stored on gramophone records (either 78 rpm shellac, or 45 and 33⅓ rpm vinyl) into digital audio files that can then be edited with computer software and eventually stored on a hard-drive, recorded to digital tape, or burned to a CD or DVD.