[LAU] CDRDAO speed, CRC errors, blah

[Ken Restivo]

On Sat, Apr 24, 2010 at 02:56:37PM +0200, Roberto wrote:
> Oops, sorry, it was meant to be sent to the list :P
> 
> 
> ----- Forwarded message from Roberto <roberto at zenvoid.org> -----
> 
> Date: Sat, 24 Apr 2010 14:55:18 +0200
> From: Roberto <roberto at zenvoid.org>
> To: Fons Adriaensen <fons at kokkinizita.net>
> Subject: Re: [LAU] CDRDAO speed, CRC errors, blah
> 
> On Sat, Apr 24, 2010 at 02:07:48AM +0200, Fons Adriaensen wrote:
> > The limiting factor could well be the minimum power at which
> > the write laser can operate - lower write speed requires less
> > power.
> 
> Hey, I found it! Is not the drive limits as I have used my drive to
> write at very low speeds in the past (not because better recordings but
> just to avoid annoying drive noise). It's medium limits: writable DVD
> and CD have a minimum write speed, and software will refuse to select
> slower speeds. Try this (with the blank medium loaded in the drive):
> 
> for DVD:
> dvd+rw-mediainfo /dev/dvd1
> 
> for CD:
> wodim -prcap
> 
> Ken, it is very likely that 8x is already the slowest that you can get
> with those CD, I'm afraid.
> 

Awesome. This is why I love the Internet :-)

Makes sense: at slower speeds, the laser could burn a hole in the media. So at slowest possible speed, I should get the deepest possible pits, and thus the most reliable-to-read CD, I guess.

I will go now burn CD's with impunity. Thanks again.

-ken