CDs that overshoot 0 dB?!!!

  • Thread starter Thread starter sucram
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sucram

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Okay, so i'm entering the acidplanet.com remix contest of the quarter and am just starting to think about my remix of Depeche Mode's track "Dream On". After ripping the track to wave from the CD (my girlfriend's a fan), and checking it on Sound Forge 5, I can't help but notice that it clips more than once on the meters. What is that all about? Do pre-recorded cds do that? I was under the impression that crossing 0dB was not done on professionally mastered cds. What gives?

Is it possible that somehow, i've screwed up settings so that only the right channel clips? How could i have done that?

Thanks in advance for any insight into this new phenomenon (for me that is).

-marcus
 
I've noticed this on a few CD's as well but....

....I have read on this site that meters on different editors can read 0dB differently from the same source. In other words...just because Soundforge indicates a clip (above 0dB) doesn't mean it REALLY went above 0dB.

I also use SF and have noticed on most CD's a clip never occurs. I have noticed many commercial CD's are mastered to -0.1dB which is where I try to set my levels. On a few others(mastered to 0dB?) the editor indicates a clip....but is it really a clip or a calibration difference in the meter? If you have only ripped it with no other changes I would think this may be the case. (I am assuming you ripped a store bought CD here not a copy which may have been modified)

zip >>
 
Unlike analog recording, if it clips it should be quite audible. Trust your ears...
 
I have noticed that if a mix is set to -0.1 db, some operations in soundforge will increase the level.

For example, simply converting from wav to mp3 will definitely increase the level. I have only seen this in sf 5.0
 
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