The term discography is used here to define a wide range of related activities, problems, and products involved in the analysis, description, enumeration, and bibliographical control of the artifacts of recorded sound and the sounds preserved on and transmitted by those artifacts. (83 references) (Author)

This review of the state of the art of preservation and restoration of authenticity in sound recordings discusses both historical problems against the background of the development of phonography and certain aspects of the current use of audio technology. (13 references) (Author/SJ)