Are you sure that the problem is not related to your drive? Media Sciences can help you to qualify both writers and media if longevity and interchange are important. Why 1X recording? Our tests show that many writers perform poorly at very low as well as very high speeds. You will encounter problems with nearly all storage products. There is no magic bullet. Jerry Media Sciences, Inc. http://www.mscience.com/ Jos Van Dyck wrote: > > We are transferring archive radio transcription disks and tapes to CDR > for digital archiving. > > Which media would you recommend for real time (1x) recording, e.g. > with Sony CDR-W66? > > We tried MAM-E Gold Prostudio, but BLER, E22, E32 (measured with > StageTech EC2) are unacceptable. > > For archives, longevity is of paramount importance. > However, after a few years some CDRs are showing increasing error > rates, and some tracks become unreadable. > (e.g. BASF by Ricoh, BASF by Kodak, Verbatim by TDK). > > Is systematic error checking of the whole archive needed? At what > intervals? > > What other digital storage media is more reliable than CDR (computer > tapes, hard disks)? > What types of streamer tapes (AIT, DLT, SDLT, LTO)? > > Jos