3. Two digital library-oriented articles that discuss data integrity issues, modeling threats, etc. The first comes out of the LOCKSS initiative which may not be appropriate for storing audio, but the basic ideas are important.
Requirements for Digital Preservation Systems A Bottom-Up Approach http://www.dlib.org/dlib/november05/rosenthal/11rosenthal.html
There is a lot of useful information at Dr. Gladney's Web site: http://home.pacbell.net/hgladney/ I especially commend his DDQ newsletter.