> Unfortunately digital recordings don't tolerate degradation at all. > A single bit error is enough to make a binary file unusable.... Are you sure? Floppies, like hard disks, include a cyclic redundancy check (CRC) to detect http://en.wikipedia.org/wiki/Disk_formatting#Low-level_formatting_of_flo ppy_disks and, at least in the case of single bit, *correct* the error. http://en.wikipedia.org/wiki/Error_correction#Error-correcting_code