Lexus RX450H Navigation System Owner's Manual page 309

ISO 9660 FORMAT
 This is the international standard for the for-
matting of CD-ROM folders and files. For
the ISO 9660 format, there are 2 levels of
regulations.
 Level 1: The file name is in 8.3 format (8
character file names, with a 3 character file
extension. File names must be composed of
one-byte capital letters and numbers. The
"_" symbol may also be included.)
 Level 2: The file name can have up to 31
characters (including the separation mark
". " and file extension). Each folder must
contain fewer than 8 hierarchies.
m3u
 Playlists created using "WINAMP" soft-
ware have a playlist file extension (.m3u).
MP3
 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
 WMA (Windows Media Audio) is an audio
compression format
®
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.
RX450h/350_Navi_U
1. AUDIO/VIDEO SYSTEM OPERATION
 Music recognition technology and
related
Gracenote
standard
technology and related content delivery.
For
www.gracenote.com.
 CD and music-related data from
Gracenote, Inc., copyright © 2000 to
present
Software, 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
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
countries.
developed by
data are provided
®
. Gracenote is the industry
in music recognition
more information
Gracenote. Gracenote
list of applicable
by
visit
5
309