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Old 11-22-2010, 04:41 PM   #1
chilibowl
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Question CD -buring Audio -Sound Quality , Regular VS. On-the fly???


hello fellow Linux users /techies....


I often wondered have any of you ever noticed a difference in the Audio Quality of CDs copied /burned in K3b with the regular procedure of a Temp file of the Cd/Wav files stored on Hdr Versus On-the -Fly procedure with two drives.

I often noticed some cd,s a Friend of mine listens/plays on her Stereo that are copies ( Hardware/OS used unknown-most likely Windows from Her Co-Workers). These Copies often have a "hazy sort of Phase Shifting sound"in the Background , anyone else ever hear this???

I wonder what causes it???????????


Adios ,chilibowl
 
Old 11-23-2010, 01:57 AM   #2
rylan76
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Not sure, but maybe they were resampled and / or re-encoded while copying?

Also, the sample rates may have been dropped by somebody inbetween if the audio was re-encoded. I also know some people like to add in some filters that might change the perceived audio quality if somebody else with more acute hearing listen to a playback...

Are the targets she is listening to MP3's or straight CD audio? I've never been able to hear it, but I've heard that some people with above average hearing or perception can tell when they hear an MP3, given that some almost-inaudible (to 90% of people) frequencies are dropped when encoding to MP3 (Fraunhoffer) as part of the compression strategy. (But then, other people say the same about straight CD audio vs. old style analog LPs.)
 
Old 11-23-2010, 04:07 AM   #3
JZL240I-U
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Quote:
Originally Posted by rylan76 View Post
...(But then, other people say the same about straight CD audio vs. old style analog LPs.)
You sure can hear that. AFAIR there is a rather low cutoff frequency on audio CDs which vinyl doesn't have (but most musical instruments produce them)...

Last edited by JZL240I-U; 11-23-2010 at 04:18 AM.
 
  


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