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Article #1134

Re: Audio quality of CDR, any theory ????

#1134
From: Stephen Wong
Date: Tue, 15 Dec 1998 00:00
37 lines
2541 bytes
Well, some netter suggested that different brands of CDR drive will make
a difference.  But usually, the trick is in the drive you use to "READ"
the audio CD.  Coz' Digital Audio Extraction is not properly done on
most CDROM drive.  Let me explain, most CDROM will read an audio CD and
output the digital stream to its (usually shabby) DAC in plenty good
sense.  But, when you want the digital stream to be transferred on the
IDE/SCSI bus, it will be a different story.  If you cannot get a
verbatim copy of digital data from the original CD, no matter how good a
CDR drive you have, you cannot make a perfect copy.

Have a look at the following web site, you don't have to use the
software, but you may get an idea:

http://www.mit.edu/afs/sipb/user/xiphmont/cdparanoia/readme.html

Read especially the section with title:

I can play audio CDs perfectly; why is reading the CD into a file so
difficult and prone to errors?

My 2 cents.

Stephen Wong.

Kit-pui Wong wrote:
> 
> Some people with "golden ears" claim that there are great
> differences between an original CD and its digital CDR copy.
> 
> Is there any **theoretical** ground about the difference ?
> In digital world, information on CD are always O's and 1's.
> A digital copy of an audio CD should store the same stream
> of 0's and 1's and therefore produce exactly identical
> output.
> Then, what makes the differences (if any) ??
> 
> Thanks!
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From: Stephen Wong <smwong@galaxy-publishers.com.hk>
Subject: Re: Audio quality of CDR, any theory ????
Date: 1998/12/15
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