compression ratio TOYOTA PRIUS 2006 2.G Owners Manual

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ISO 9660 format—
This is the international standard for the
formatting of CD−ROM folders and files.
For the ISO 9660 format, there are two
levels of regulations.
Level 1:
The file name is in 8.3 format (8 charac-
ter 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 charac-
ters (including the separation mark “.” and
file extension). Each folder must contain
fewer than 8 hierarchies.
m3u—
Playlists created using “WINAMP” software
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 convention-
al discs. WMA—
WMA (Windows Media Audio) is an audio
compression format developed by Micro-
soft. It compresses files into a size small-
er than that of MP3 files. The decoding
formats for WMA files are Ver. 7, 8, and
9.