Re: [LAU] CDRDAO speed, CRC errors, blah

On Sat, Apr 24, 2010 at 02:07:48AM +0200, Fons Adriaensen wrote:
> On Fri, Apr 23, 2010 at 04:09:57PM -0700, Bob van der Poel wrote:
>
> > > OTOH, speed 8 is already quite slow, and it may well be the
> > > lowest one supported by your drive (just guessing this).
> >
> > Sort of off topic ... but I had some older 2x DVD-RW discs that I
> > tried to burn on my current system. No way. I tossed the discs, my
> > assumption being that the drive could not go slow enough for the disc.
> > If I recall, I tired all the various speed= commands with growisofs,
> > cdrdao, etc. They would report back 8 or 4x (don't recall). I find it
> > somewhat odd that a drive will not slow down and am wondering if that
> > is due to the linux drivers or the actual drives.
>
> It's very probably not a matter of slowing down the rotation
> of the disk - it has to work at normal read speeds anyway.
>
> The limiting factor could well be the minimum power at which
> the write laser can operate - lower write speed requires less
> power.
>

Makes sense; next time I'll try it with speed > 8 and see if it obeys.

But that raises the other question: does it even make sense to burn an audio CD at < maximum anyway? Are there errors introduced by burning RedBook CD's at higher speeds?

-ken
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Received on Sat Apr 24 08:15:01 2010