...there is ZERO relevance to the cryogenic treatment of tool steel and the like on the molecular and subatomic levels to that of copolymers and the polycarbonate of your CD...You must understand how steel is forged and quenched and how it affects it's physical structure. Cryo goes a step further by "removing" unwanted "impuities" left in the end product...It results in a harder and more crystalline structure, the better to take and hold an edge as in the case of cutting tools. Curious thing is that some cryo folks say such treatment actually makes metals like copper more maleable...hmmm, something seems askew there!

HOWEVER, CDs are merely a data storage medium and as such the cryo scheme would somehow have to make the polycarbonate "clearer" to improve the light transfer characteristics. To my way of thinking, somehow increasing covalent "density" does not go hand-in-hand to that end.

The laser is spec'd to be able to read the "pits and lands" in the sputtered aluminum substrate...it's zero's and one's, on or off; the entire basis for digital anything rest on this simple premise...no gray areas. Sound is not "produced" in the same sense as it is in an analog medium and it's not even done in realtime.

The laser is kept on track and in focus by various control programs and once the data has been read, the math is done and any errors seen in it are corrected for by CIRC(Cross Interleaved Redundancy Code)...you either get program material or you don't, again no gray areas. After sufficient coherent data are stored in the buffers, it then goes through the D/A processors and the player's analog output circuitry. Here is where all, if any, sonic anomolies take place...

Given the potential for stress fracturing when exposed to temperature extremes, the fact that a CD can withstand DCT and still play at all, is a testament to it's hardy chemical composition and should be a reminder of "...if it ain't broke, don't fix it..."

But heck, if you can get someone to pay a coupla' hundred bux to have an already overpriced $79 Oyaide AC outlet subjected to the big chill, what's another $6 per CD?

jimHJJ(...I see the outlet eliminates "micro-arcing"...whatever that's supposed to be...)