So I'm doing research on what portable stereo recorder to buy and I have come up with this question. Can I use a portable Mic pre and analog to digital converter to send 44.1K / 16 bit digital audio to a Hi-MD (I'm looking at getting a NH900) via the optical input and record it with out any degrading of the audio? Would this be the same as being able to directly transfer music from CD opticly? Any Feedback on this would be greatly appretiated. Thank you, Baub This is from the sony web site: LinearPCM mode achieves high quality sound recording without audio data compression. This function is useful for backing up your treasured music CDs. You may use optical cables to connect a "Hi-MD" device and a CD player to retain sound quality*. * Only CD players with optical capability can be used.