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echo: audio
to: Jason Vierik
from: Neall Mercado
date: 2003-06-20 15:04:16
subject: CD Quality???

-=> Jason Vierik wrote to August Abolins <=-


 JV> Nope..  I am 100 percent right...  I have used, and still use
 
Are you sure about that Jason?  Just asking.

 JV> professional encoding software..  When you encode an MP3 from a WAV
 JV> file, the default it 128 kbps..  That is CD Quality..  1 megabyte per
 JV> minute, a WAV file, which is the standard found on regular audio CD's
 JV> is 10 meg per minute.

MPEG Compression is a lossy compression scheme.  There is no such thing 
as a CD-quality 128Kbps MPEG Layer-3 Audio.

It would be greatly appreciated if you will try to listen to a music from an 
original audio CD and compare it to your 128Kbps MP3 audio file.  You can 
feel the difference, even if you are using an entry-level audio equipment.

It is just like comparing an original photograph to a scanned image using 
JPEG with maximum compression ratio.  Colors and details on the photograph
were lost during the compression.  Look closely and you can notice the 
grainy edge of the image.  Even if you reverted back the JPEG file into an
uncompressed bitmap (BMP) file, colors and details were already lost.



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