Date: Tue, 27 Oct 1998 12:44:36 -0800 From: grady@xcf.berkeley.edu (Steven Grady) To: freebsd-multimedia@FreeBSD.ORG Subject: Re: questions about developing an mpeg3 database and interface Message-ID: <199810272043.MAA22583@hub.freebsd.org>
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About 5 months ago I posted a question to this list about an mpeg3 database format. Today I discovered ID3V2, which supports everything I could possibly want, and a lot more. It resides in the mp3 file, not in a separate db (which is good and bad). The set of predefined tags totally kicks ass. I just thought I'd mention it to people here. I'm hoping that some of the more powerful mp3 players, such as Xaudio, will support it soon. Theoretically, it should be compatible with existing players, since it uses a frame tag which should cause non-compliant players to just skip over the frame. The ID3V2 page is at www.id3.org (with a US mirror at http://www.hatman.com/id3v2/). >From the intro: ID3v2 is a new tagging system that lets you put enriching and relevant information about your audio files within them. In more down to earth terms, ID3v2 is a chunk of data prepended to the binary audio data. Each ID3v2 tag holds one or more smaller chunks of information, called frames. These frames can contain any kind of information and data you could think of such as title, album, performer, website, lyrics, equalizer presets, pictures etc. BTW, I've also switched from using 8hz-mp3 to using BladeEnc (find it at http://home8.swipnet.se/~w-82625/). It's a bit faster, and I seem to recall that there were legal problems with 8hz-mp3? Also, 8hz-mp3 left an annoying audio artifact at the beginning of most of the tracks, and BladeEnc does not do so. Oh, and BladeEnc supports rates higher than 128k/s, in case you're interested (I'm not). Steven > Inspired by the 8hz mpeg3 encoder, I've started encoding my CDs. Ultimately, > it would be cool to have all the CDs on file, with a database describing > them, and a GUI to choose by title, style, etc. For the moment, > I'm putting things in a simple, tagged, colon-separated format. But > before I go re-inventing the wheel, is there a standard format I should > be using? (I looked at xmpeg3's tracks.idx format; is that based on a > standard? It looks to be the similar to mine, although the tags are > different.) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message
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