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Noise at the beginning of tracks

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soap:
Mr. Kitt brings up the next question I was going to ask:
How much "stuff" is in your ID3v2.3 tags?
Do you have large embedded album art in that tag at the start of the file?
Do you have other binary blobs stuck in there? 

If you're keen on v2.3 tags, perhaps set up Foobar2000's preferences for MP3 tagging to use "compatibility mode" (so you don't write 2.4 tags)  and force a simple rewrite of the tags of the problematic files (or a copy of them) to see if this fixes the issue.

EDIT:  Removed extra parentheses.


EDIT #2:
Though that being said, the fact the WPS reported (supposedly incorrectly) 40kbps makes me wonder if the LAME (assuming) header is wrong?  To the best of my knowledge WMP ignores the LAME header.
Can you as well do the math to verify 40 is a wrong number?  (harder to do if you have large embedded album art)

mattp:
There isn't much stored in my tags, just the usual artist, album, track number etc. No pictures or comments. I don't know why i have used v2.3 tags, i've just used WMP11 to find the info. I've done some quick inaccurate maths and it seems the 40kbps is right for what rockbox displays the track length as being. The track is 7.82Mb and 5.00mins long which should bring out a figure around 213kbps which is what WMP says. Rockbox displays the track length as 27.19mins so it comes out around 40kbps.

I will try and rip the problem albums again soon, buti'm away from my cd collection at the moment so it won't be for a couple of weeks. I might try a pre 3.0 version of rockbox before to see if the problem remains.

Thanks for your help

spike66:

--- Quote from: mattp on October 15, 2008, 11:48:30 AM ---There isn't much stored in my tags, just the usual artist, album, track number etc. No pictures or comments. I don't know why i have used v2.3 tags, i've just used WMP11 to find the info. I've done some quick inaccurate maths and it seems the 40kbps is right for what rockbox displays the track length as being. The track is 7.82Mb and 5.00mins long which should bring out a figure around 213kbps which is what WMP says. Rockbox displays the track length as 27.19mins so it comes out around 40kbps.
--- End quote ---

If you are interested, you might want to use a checking tool like this http://www.download.com/MP3-Checker/3000-2141_4-10543407.html?tag=mncol&cdlPid=10543408

There's also a plugin included with Rockbox for fixing the length (Xing heather), VBRFix http://www.rockbox.org/twiki/bin/view/Main/VBRfix?topic=PluginVBRFix. In my case, it corrected the lengths, but the noise didn't disappear.

mattp:
Thanks, i've tried MP3 checker and the files came out as bad, as expected. I then used a program i found called MP3 repair which allowed me to remove the noise at the beginning, this also reduced the time displayed by rockbox slightly but not to what it should be, that plugin had no effect either. I've only tried one file so far so will try others and see what happens.

saratoga:
If the files are corrupted, I wouldn't bother trying to repair them and would just get fresh ones from CD or wherever. 

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