Alpine Car Stereo System CDE-121 User Manual

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13-EN
01GB04CDE121.fm
ALPINE CDE-121 68-16909Z79-A (EN)
Producing MP3/WMA/AAC discs
MP3/WMA/AAC files are prepared, then written to a
CD-R or CD-RW using CD-R writing software. A disc can
hold up to 509 files (including Root Folders), and the
maximum number of folders is 255 (including Root
Folders).
Playback may not be performed if a disc exceeds the
limitations described above.
Media supported
The media that this device can play back are CD-ROMs,
CD-Rs, and CD-RWs.
Corresponding File Systems
This device supports discs formatted with ISO9660
Level 1 or Level 2.
This device also can play back discs in Joliet, Romeo,
etc., and other standards that conform to ISO9660.
However, sometimes the file names, folder names, etc.,
are not displayed correctly.
Formats supported
This device supports CD-ROM XA, Mixed Mode CD,
Enhanced CD (CD-Extra) and Multi-Session.
This device cannot correctly play back discs recorded
with Track At Once or packet writing.
Order of files
Files are played back in the order that the writing
software writes them to the disc. Therefore, the playback
order may not be what is expected. Verify the writing
order in the software’s documentation. The playback
order of the folders and files is as follows.
* The folder No./ folder Name will not be displayed if no
file is contained in the folder.
Bit rate
This is the “sound” compression rate specified for
encoding. The higher the bit rate, the higher the sound
quality, but also the larger the files.
Sampling rate
This value shows how many times per second the data is
sampled (recorded). For example, music CDs use a
sampling rate of 44.1 kHz, so the sound is sampled
(recorded) 44,100 times per second. The higher the
sampling rate, the higher the sound quality, but also the
larger the volume of data.
Encoding
Converting music CDs, WAVE (AIFF) files, and other
sound files into the specified audio compression format.
Tag
Song information such as track titles, artist names,
album names, etc., written into MP3/WMA/AAC files.
Root folder
The root folder (or root directory) is found at the top of
the file system. The root folder contains all folders and
files. It is created automatically for all burned discs.
Under the ISO9660 standard, there are some
restrictions to remember.
The maximum nested folder depth is 8 (including the
root directory). The number of characters for a folder/file
name is limited.
Valid characters for folder/file names are letters A-Z (all
caps), numbers 0-9, and ‘_’ (underscore).
Root folder
Folder MP3/WMA/AAC File
Terminology
01GB00CDE121.book Page 13 Monday, December 13, 2010 2:03 PM

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