Date: Sat, 30 Jul 2005 22:09:41 +0100
From: Pooh Bear <rabbitsfriendsandrelationsnospamail.com>
Subject: Re: Using CD-ROMs in a 95's CD Stacker


Saab Guy wrote: > On Sat, 30 Jul 2005 17:26:44 +0100 > Pooh Bear <rabbitsfriendsandrelationsnospamail.com> wrote: > > > Keith Winchester wrote: > > > > > Hi, the manual for the 95 says that you should not use CD-ROMs in the CD > > > stacker due to the danger of heat build up. I don't understand why this > > > would occur but am not game to try it to see. Does anyone have any > > > information or experience that might shed some light on this for me? > > > > Since there is no significant physical difference between a CD and CD-ROM I > > can't remotely imagine why this is suggested. > > > > Graham > > > > Graham, > > However, CDs have uncompressed music, therefore need less spinning and wear-and-tear, thus leading to less heat buildup. > > A CD-ROM with compressed Audio, Video, artwork and all sorts of other things takes much more of a beating, leading to more heat buildup. > > I bet the manual wasn't thinking about the content of the CDs leading to more/less heat buildup though, it can't be, it must be something more simple. A standard CD changer won't read compressed data ( except maybe mp3 on more modern units ) so that's irrelevant. I make 'backups' of my music CDs onto CD-ROM before using them in the car. I can think of no valid technical reason why they should get any warmer. And I design electronics ( especially audio ) so I'm not just saying it off the top of my head either. The only interesting physical difference between music CDs and CD-ROMs is that a CD has a metallised data layer whilst CD-ROMs have things like organic dyes in place of the metallisation. I believe the TOC ( table of contents ) is written differently too but that simply gets read at startup. Graham

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