Could you check what kind of files you have got? CBR or VBR files?
For VBR files, the calculation relies on the first couple of blocks.
Also, you could check the files with mp3val and see if the header and stuff is ok.
See also e.g. this thread:
Could you check what kind of files you have got? CBR or VBR files?
For VBR files, the calculation relies on the first couple of blocks.
Also, you could check the files with mp3val and see if the header and stuff is ok.
See also e.g. this thread: