Using an MP3 CD
MP3 Format
There are guidelines that must be met, when creating
an MP3 disc. If the guidelines are not met when
recording a CD-R(W), the CD may not play. The
guidelines are:
• Sampling rate: 16 kHz, 22.05 kHz, 24 kHz, 32 kHz,
and 44.1 kHz.
• Bit rates supported: 32, 40, 48, 56, 64, 80, 96, 112,
128, 160, 192, 224, 256, and 320 kbps.
• ID3 tag information is displayed by the radio if it is
available. The radio supports ID3 tag information
v1.0 or v1.1. The radio displays a filename, song
name, artist name, album name, and directory name.
• Maximum 32 characters, including spaces, in a file or
folder name.
• Maximum number of folders is 253 with a maximum
hierarchy of eight folders.
• Create a folder structure that makes it easy to find
songs while driving. Organize songs by albums using
one folder for each album. Each folder or album
should contain 18 songs or less.
• It is recommended that there is a maximum of
192 files on a disc.
• The files can be recorded on a CD-R or CD-RW with
a maximum capacity of 700MB.
• DVD with MP3 are not playable on this system.
Root Directory
The root directory is treated as a folder. If the root
directory has compressed audio files, the directory is
displayed as ROOT. All files contained directly under the
root directory are accessed prior to any root directory
folders. However, playlists (Px) can always be accessed
before root folders or files.
Empty Directory or Folder
If a root directory or a folder exists somewhere in the
file structure that contains only folders/subfolders and no
compressed files directly beneath them, the player
advances to the next folder in the file structure
that contains compressed audio files and the empty
folder is not displayed or numbered.
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