[ID3 Dev] Differences between 2.3 and 2.4 a potential pitfall?

Andrew Laughlin andrew.laughlin at gmail.com
Sat Aug 20 13:12:49 PDT 2011

The difference between 2.3 and 2.4 are minor, but enough to foil a 2.3
editor encountering a sync-safe integer in a 2.4 frame.  The sure fire way
to see the difference is to open the mp3 in a hex editor before and after
edits, and compare changes.  Alternatively, you could use BulkID3 (
http://sourceforge.net/projects/bulkid3/) with the --print-only flag, to
show all tag data in the file.


On Sat, Aug 20, 2011 at 12:08 PM, Conrad J. Sabatier <conrads at cox.net>wrote:

> Hi,
> Just getting resubscribed to the list after some time away.
> I'm having a strange problem re: amarok vs. id3v2 (the command line
> tool).
> I've discovered lately that if I modify a file's tags in amarok, id3v2
> no longer sees them afterwards.  It's as if the id3v2 tags have been
> completely blown away by amarok.
> Someone on one of the FreeBSD mailing lists suggested that this may be
> due to amarok's dependence on taglib (which allegedly uses id3 2.4),
> whereas the id3v2 tool uses 2.3.
> Is this a likely explanation?  Are the differences so great that the
> older id3v2 tool can no longer grok the newer tags?
> Thanks, this problem is driving me nuts.  :-)
> --
> Conrad J. Sabatier
> conrads at cox.net
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