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I ripped a number of CDs into iTunes. I noticed that several of the tracks do not play, and they list "Not available" in the Time column of the track list. The file exists on disk, but it will not play in QuickTime either. I assume that some sort of file corruption has happened, but why are there so many? Is there a known issue that causes this, and is it preventable? How do I fix it without deleting the whole album and re-ripping it? This has happened on a number of albums.

OS: Windows XP SP2
iTunes: 9.0.2.25
QuickTime: 7.6.5

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    Is there any pattern to the corruption? e.g. is it always the first track, or last track, or tracks over a certain length?
    – ChrisF
    Commented Feb 17, 2010 at 8:37
  • Good point! This didn't really stick out to me before, but although the corrupt tracks are not all contiguous, they tend to be clustered near the end in each case. Perhaps I have a wobbly CD-ROM drive.
    – Jay Michaud
    Commented Feb 20, 2010 at 1:48

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I would suggest re-ripping with alternative software - I know you said you didn't want to, but the files do sound corrupt. The Time field is generally not something held in the files tag, but calculated based on the encoding quality and file size. The fact that it's "unavailable" is just another reason to believe the files are corrupt.

If you get the same result with an alternative ripper, I might start to question the integrity of your CD/DVD drive.

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  • or the hard drive integrity
    – fluxtendu
    Commented Feb 17, 2010 at 9:00
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I can think of two possibilities: Possibly CD drive problems such as bad motor, dirty lens, etc, possibly damaged/dirty.

The other possibility is that if you are running several other apps or otherwise putting a heavy load on the CPU during the rip, it can cause the data to not get encoded correctly, corrupting the file. While I haven't had this problem with iTunes, this has happened to me more than once while ripping with WMP.

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