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BAS Message
January 2018

Cold CDRs

I recorded a local chorus and as usual edited the concert and burned a CD for them to use for duplication.

I used “file compare” in Exact Audio Copy to ensure that the CD was a bit-accurate copy of the original. I then checked it on a CD player and found it was stuttering. I tried a 2nd player with the same result. I don't recall this happening before.

When I burned the CD the room temperature was 57 degrees F, and the stack of CDRs was on a shelf on an outside wall. I estimate the CDRs were at 50 degrees.

I warmed up the room and the CDRs and burned a new one and it was fine. So it must have been the cold disc. That it file-checked is interesting—however it was being played on the drive that burned it, which always is closer to optimum playback.


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— Webmaster's note: In the 80's, when I was building killer discos, the typical and often overweight DJ would request a downfiring AC outlet in the booth, since he was jumping / bopping around, etc etc drinking and eating... and without fail, often at 1 AM, I would receive an emergency phone call because the [typical] technics CD machines were stuttering.

The rotund DJ was holding the disc reading it, and then breathing (heavily) on it, so the moisture from his breath was condensing on it. — barry


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updated 1/18/18