Toyota IS300h Manual page 267

ISO 9660 FORMAT
 This is the international standard for the
formatting 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 charac-
ter 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 hierar-
chies.
m3u
 Playlists created using "WINAMP"
software have a playlist file extension
(.m3u).
MP3
 MP3 is an audio compression standard
determined
(MPEG) of the ISO (International Stan-
dard Organization). MP3 compresses
audio data to about 1/10 the size of that
on conventional discs.
IS300h/250_Navi_EE
6. TIPS FOR OPERATING THE AUDIO/VISUAL SYSTEM
by a working group
WMA
 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 decoding formats for WMA files
are Ver. 7, 8 and 9.
AAC
 AAC is short for Advanced Audio Cod-
ing and refers to an audio compression
technology standard used with MPEG2
and MPEG4.
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