music CD identification

(redirected from CD albums)

music CD identification

Searching a music database for the missing album information in a music CD disc. Old, as well as many new, music CDs do not contain artist name, album and song titles, but MP3, AAC and other compressed audio formats include fields called "tags" for this data (see ID3 tag). When a CD is played in the computer or is being ripped to a compressed format, the media player software queries an online database such as CDDB (www.gracenote.com), freedb (www.freedb.org) or MusicBrainz (www.musicbrainz.org) to retrieve this information.

Why Identify the Disc?
When a song is played, the actual title can be displayed instead of track 01, track 02, etc. If the CD is being ripped, the titles are automatically entered into the meta-data fields of the MP3 or other compressed format. Without this service, users have to enter the titles manually for every track in the album. However, for MP3 collections that were never tagged or improperly tagged when the CDs were ripped, there are music databases and tagger programs that add the correct meta-data (see music file identification).

Only Track Number and Time
When they designed the CD in the early 1980s, they did not set aside a few thousand bytes for descriptive data among the 650 million available. An appalling lack of vision in retrospect, meta-data fields were added many years later (see CD Text), but are not mandatory and not always used.

The only meta-data guaranteed to be in a music CD are a table of contents (TOC) with track numbers and lengths, precisely what has been displayed on a consumer CD player since day one. Although not impossible, it is unusual to have two CDs with the same number of tracks and lengths in the same order, and it is this table of contents data that identifies a music CD. See CDDB, freedb, ripping and music search.
References in periodicals archive ?
ere are 12 CD albums in this brilliant boxset collection, all recorded between 1971 and 1990.
KATRINA LAWSON, OLD COLWYN: I think CD albums still have a future as I believe people still like a CD to look at the cover etc and give for gifts.
From May 1 to 31, shoppers will be able to drop off their unwanted CD albums and DVDs at specially created Entertainment Exchanges in their local Homebase store.
Almost all CD albums, DVDs and console games are accepted, as well as most textbooks.
Prize: each five CD albums from the Prince back catalogue as described.
To celebrate we're teamed up with WHSmith to give away five CD albums from Prince's back catalogue.
The retailer, which previously stocked the top 40 chart CD albums, has doubled its offer across all stores to the top 80.
Recess Monkey is a successful and independent recording group that has been entertaining children in both live concert performances and through the release of their popular CD albums.
But it added CDs would continue to be represented in the basket, with consumers still spending on CD albums.
Three music CD albums from Tara Publications celebrate Jewish heritage and culture with emotionally rousing music.
That's because this year, Legacy Productions, a new Minneapolis record label, will record dozens of school choirs, bands, and individual artists, and produce their CD albums, making them feel like stars.
The UK CD albums market outperformed its international counterparts in 2004 with a growth rate of 4.