Though I realize that the recorder in question is dealing with data and not sound and therefore could be considered OT, we do spend a fair amount of time discussing very similar recording, storage and playback issues. So, if you are interested, take a look at: http://nytimes.com/2003/03/21/national/nationalspecial/21SHUT.html Regards, Peter Hirsch Head Archivist for Music and Recorded Sound Wilson Processing Project The New York Public Library [log in to unmask] 521 West 43rd Street New York, New York 10036 (212) 714-8570 (212) 714-8508 - fax