They spend countless thousands of posts on this at

www.hydrogenaudio.org

If you're looking for a "this is the best format" 
single post, take a look at:

http://www.hydrogenaudio.org/forums/index.php?showtopic=28124

and note:

"Best Quality: archiving
-b 320 - This is the strongest setting for MP3, 
with the lowest risk of artifacts.
With the exception of a few situations, quality is 
rarely better than the highest VBR profiles 
described below.
Alternative: Lossless formats like WavPack, Flac 
etc allow true archiving bit for bit like on 
original CD.

High Quality: HiFi, home or quiet listening
-V 3 --vbr-new (~175 kbps), -V 2 --vbr-new (~190 
kbps), -V 1 --vbr-new (~210 kbps) or -V 0 
--vbr-new (~230 kbps) are recommended.
These settings will produce transparent encoding 
(transparent = most people cannot distinguish the 
mp3 from the original in an ABX blindtest).
Audible differences between these presets exist, 
but are extremely marginal."

So with CBR files, go with the highest bitrate, 
same thing with VBR.  Between CBR and VBR, you 
should pick VBR if they average out to the same 
bitrate.

Of course, you would be well advised to rip in 
FLAC for future rips, provided you have the hard 
drive space.

zooropa320 wrote:
> I'm in the process of creating a jukebox of all of
my CDs which have
> been ripped to VBR MP3s.  I have a lot of
compilations and soundtracks
> which have resulted in a number of duplicates which
I'd like to filter
> out (over 2,500).  Of course I can listen to them
all to find which
> ones sound best and remove the others but I'd like
to know if there's
> an objective way to determine which ones are "best".
 These aren't
> meant for critical listening but if I'm going
through the process I'd
> like to know (or at least think) I'm playing the
best ones. I suppose
> this question can also be extended to remastered
albums.  They
> certainly sound louder (which is mitigated when
using ReplayGain) but 
> are they necessarily better.  Any recommendations or
references you can
> point me to?  Thanks in advance.
> 
> 

-- 
___________________________________
 

  Mark Lanctot
___________________________________


        

        
                
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