[paranoia] Improvement of extraction on ATAPI CDROM's

[Jack Pistachio]

I get over 10x full paranoia speed on my ATAPI system. 
However, this is with a new 52x read CDRW drive and an
Athlon 1800 XP.  A lot of error correction reduces this rip
speed down to around 3-4x... especially while encoding
simultaneously.  Around 2x looks very reasonable for a
200MHz system (since this also implies slower idebus
speeds, etc).
- jackp

<p>--- Alex <avolkov79 at mail.ru> wrote:
>  Dear Wolfgang,
> 
>  First of all, thank you very much for your answer.
> 
> > So, how fast *are* you ripping?
> 
>  I use  Pentium 200hz with LG*52 CDROM for audio ripping.
> Ripping of 1
> minute
>  of audio disc take me 30 seconds with Atapi driver and
> 22 seconds with
>  IDE-SCSI hostadapter emulation. Does it good
> performance?  The reason I ask
>  is because I had SCSI CDROM before and with other
> program(that worked only
>  with SCSI devices), I ripped 1 minute in about 6
> seconds. Therefore I'm
>  interesting to know if is it possible to reach same
> performance with
>  paranoia on IDE CDROM's.
> 
>  Thanks again and best regards,
>  Alex
> 
> > ----- Original Message -----
> > From: Wolfgang Weisselberg <weissel at netcologne.de>
> > To: Paranoia <paranoia at xiph.org>
> > Sent: Saturday, January 10, 2004 11:45 PM
> > Subject: Re: [paranoia] Improvement of extraction on
> ATAPI CDROM's
> >
> >
> > > Alex (avolkov79 at mail.ru) wrote 58 lines:
> > >
> > > > I started to use this wonderful program. I'm
> interesting
> > > > to know what should be done to reach the best
> extraction
> > > > performace?
> > >
> > > 1. a CD-ROM drive with good audio extraction
> capabilities
> > > 2. a CD without scratches or play protection (aka
> 'copy
> > >    protection).
> > >
> > > > I replaced Atapi's driver to IDE-SCSI hostadapter
> > > > emulation and the performance improved by about
> 30%.
> > >
> > > So, how fast *are* you ripping?
> > >
> > > > Does is matter to which IDE
> > > > slot the CDROM connected?
> > >
> > > Not really, unless you have another device on the
> same cable
> > > and are using it much.
> > >
> > > > What is a "normal" performance of
> > > > extraction audio disks with paranoia?
> > >
> > > Somewhere from about 1x (like my audio-lousy CD-ROM
> drive) to 8x
> > > and more for good ones, I hear tell.
> > >
> > > -Wolfgang

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