Wright, Richard. "Preserving Moving Pictures and Sound." Digital Preservation Coalition Technology Watch Reports 12(01)(March 2012). At: http://dx.doi.org/10.7207/twr12-01.
This report is for anyone with responsibility for collections of sound or moving image content and an interest in preservation of that content.... The report concentrates on digitization, encoding, file formats and wrappers, use of compression, obsolescence and what to do about the particular digital preservation problems of sound and moving images.