Research Article
A Systemic Approach to the Preservation of Audio Documents: Methodology and Software Tools
| Carrier | Period | Type of recording | Composition |
|
MD replicated |
1992–2013 |
Digital | Base: polycarbonate | Reflective layer: aluminium, varnish |
|
MD recordable |
1992–2013 |
Digital | Base: polycarbonate | Magneto-optical layer: ferromagnetic material | Reflective layer: aluminum |
|
|