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1. AUDIO SYSTEM OPERATION
5
AUDIO SYSTEM
This is a method of embedding track-
related information in an MP3 file. This
embedded information can include the
track title, the artist’s name, the album
title, the music genre, the year of produc-
tion, comments and other data. The con-
tents can be freely edited using software
with ID3 tag editing functions. Although
the tags are restricted to a number of
characters, the information can be viewed
when the track is played back.
WMA files can contain a WMA tag that is
used in the same way as an ID3 tag. WMA
tags carry information such as track title
and artist name.
Playlists created using “WINAMP” soft-
ware have a playlist file extension (.m3u).
MP3 is an audio compression standard
determined by a working group (MPEG) of
the ISO (International Standard Organiza-
tion). MP3 compresses audio data to
about 1/10 the size of that on conventional
discs.
WMA (Windows Media Audio) is an audio
compression format developed by
Microsoft
®. It compresses files into a size
smaller than that of MP3 files. The decod-
ing formats for WMA files are Ver. 7, 8 and
9 (9.1/9.2).
TERMS
ID3 TAG
WMA TAG
m3u
MP3
WMA
Music recognition technology and
related data are provided by
Gracenote
®. Gracenote is the industry
standard in music recognition technol-
ogy and related content delivery. For
more information visit
www.gracenote.com.
CD and music-related data from
Gracenote, Inc., copyright © 2000 to
present Gracenote. Gracenote Soft-
ware, copyright © 2000 to present
Gracenote. One or more patents owned
by Gracenote apply to this product and
service. See the Gracenote website for
a non-exhaustive list of applicable
Gracenote patents. Gracenote, CDDB,
MusicID, MediaVOCS, the Gracenote
logo and logotype, and the “Powered by
Gracenote” logo are either registered
trademarks or trademarks of Gracenote
in the United States and/or other coun-
tries.
