|
Rockbox mail archiveSubject: Re: Not reading genresRe: Not reading genres
From: George Styles <george_at_ripnet.co.uk>
Date: Thu, 25 Mar 2004 12:38:35 -0000 I have actually written a utility to tag up MP3s with ID3 v1 called RipTag at www.ripnet.co.uk Its freeware, and can use FreeDB to tag the songs (if you have the whole album) g ----- Original Message ----- From: "Fred Maxwell" <rockbox_at_anti-spam.org> To: "'Rockbox development'" <rockbox_at_cool.haxx.se> Sent: Thursday, March 25, 2004 12:17 PM Subject: RE: Not reading genres > Jean Boullier wrote: > > > Second comment, I am using MusicMatch "for ages" now (I bought a > > life-license long before Archos' birth) and I have never had any problem > > with the core tags, whatever mp3 tool I have used with my files. If they > > could read ID3v2 they could show the genre correctly, otherwise they > > found the ID3v1 at the end and show what MusicMatch had put there. > > If you are using MusicMatch to rip CDs, then I strongly recommend that > switch to Exact Audio Copy (EAC). MusicMatch rips "blindly" and will not > detect CD reading errors and perform re-reads when errors occur. EAC will. > Also, EAC seems to create tags fine. It is freeware and you can download it > at http://exactaudiocopy.de/. > > Is there information in ID3v2.x tags which is not present in ID3v1.1 tags > that you absolutely need? If not, I recommend going with ID3v1.1 tags. > They are compatible with everything whereas the v2.x tags are fraught with > problems. > > As Linus says, the specs are confusing and subject to interpretation. > Sometimes MP3 files start with an ID3v2.x tag rather than an MP3 frame > header. ID3v2 tags are of variable size and the MP3 header is not > guaranteed to start immediately after the v2.x tag. Some tools apparently > add extra null bytes between the header and the first MP3 frame. An MP3 > frame header starts with 11 sync bits (11111111b 111?????b) and the rest of > the header information follows. Needless to say, many files will contain > things that look like a frame header. Although the ID3v2 spec includes a > description of "syncsafe integers" and "unsynchronization bytes" which are > designed to ensure that ID3v2 tags do not look like a frame header, their > use is optional in most places. So there are many ID3v2 tags with byte > sequences that look like frame headers. > > ID3v2.x tags are a mess and should be avoided. Hopefully, there will be an > unambiguous ID3v3 spec which specifically excludes the use of ID3v2.x tags > in any MP3 file containing an ID3v3 tag. > > Regards, > Fred Maxwell > > > > _______________________________________________ > http://cool.haxx.se/mailman/listinfo/rockbox _______________________________________________ http://cool.haxx.se/mailman/listinfo/rockbox Received on 2004-03-25 Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy |