The music CDs were just one part of the examples. Some of the later music
CD's are MP3 discs that are standard ISO data discs. I don't think I have
ever used a RW for an Audio CD. Also the examples of saving data to transfer
from one computer to another is again data. The main point is I have had
quite a few problems with CD RW yet even stored in extreme conditions I have
found CD-Rs reliable - despite the added problem of time sensitivity.
----- Original Message -----
From: "Lynn Allen" <email@example.com>
Sent: Thursday, July 12, 2001 8:52 PM
Subject: Re: filmscanners: CD from Scanner
> Hi, Steve--
> I get from your post that you're recording a lot of music CDs. This, I
> think, is a little different from data CDs (even photo CDs), in that music
> CDs are *extremely* time-sensitive, while data CDs are not. Having the
> fastest possible CD burner is an advantage with music CDs--it's not such a
> big deal with data CDs. I could be wrong on this, but I don't think so--if
> am, someone will happily come in and correct me (at least I'd hope so).
> I can see how, in this case, CD-RW would give problems with your
> applications. CD-RW is slower than CD-R--we may be talking about
> again. If anybody actually knows the numbers, this would be a good time to
> enter the discussion--I don't think that Music CDs and Data CDs are
> comparable. Correct me if I'm wrong, and Steve and others will hopefully
> Best regardw--LRA
> >From: "Steve Greenbank" <firstname.lastname@example.org>
> >Reply-To: email@example.com
> >To: <firstname.lastname@example.org>
> >Subject: Re: filmscanners: CD from Scanner
> >Date: Thu, 12 Jul 2001 20:08:55 +0100
> >I wrote:
> > >
> > > > > My own personal experience is that CD-RW is more
> > > > > temperamental.
> > >
> >Since a few people have commented on this I think I should give a little
> >more detail.
> >I have extensively used CD-R even some dodgy cheap brands in my car 10
> >CD-stack. These discs are exposed to temperatures from just under 0C to
> >around 50C - no doubt wild fluctuations in humidity too. Non of these
> >have displayed any problems at any time other than the odd unrepeatable
> >on a big bump. Some were frequently swapped but others spent 2-3 years in
> >I have since changed cars and wanted to install a CD MP3 player. I
> >get one at sensible price in the UK so I tried a personal MP3 CD player
> >(Napa Dav 310 largely dictated by UK availability) - it's a load of
> >and has a firmware bug that makes it skip approx 1.5MB into any file
> >recorded at anything other than 128kbits. With this unit I found my TDK
> >CD-RW would only play reliably in the car if I recorded at 4x or lower
> >with the anti-shock in full on mode at 8x or 10x it would only work when
> >unit was sat on a firm platform. This sort of problem was not uncommon
> >similar units according to several bulletin boards. The Napa went back -
> >it's a load of rubbish and has a firmware bug that makes it skip approx
> >1.5MB into any file recorded at anything other than 128kbits.
> >I now have a Kenwood in-dash MP3 (MP6090R - 8090 in US I think) this
> >great but it did suffer the odd problem whilst using the TDK R/W disc,
> >is apparently flawless with any old CD-R.
> >I have also on several occaisions written to cheap CD R/W and been unable
> >read it minutes later on the writer or anything else. Yet I can re-write
> >and it reads fine.
> >Whilst I realise some of these problems are in part due to the quality of
> >the electronics or cheap media. Not all have been and it rather suggests
> >that the technology is running on the edge.
> >Oh and the cheap CD-RW media was acquired by accident. I was sent the
> >CDs mail order. I couldn't be bothered with the hassle of returning them
> >I negotiated a discount to forget about it (I paid 40p a disc 2 years
> >I only use these discs to transfer big files from one machine to another
> >where I have no network link. For this they are great - except when they
> >suffer temporary amnesia.
> >Oh and the cheap CD-Rs were deliberately bought for the car when there
> >quite a significant price difference - no point having good one's knicked
> >and I could always remake them from the originals.
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