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About MP3 and WMA
The playable MP3/WMA le (hereafter called
Audio le) and the media format has the following
limitation. The Audio le, which is not conforming to
the speci cation, may not play normally, or the le
and folder names may not display correctly.
Playable Audio le : MP3, WMA
⁄
• Attach the correct extension for the Audio le. (MP3: “.MP3”,
WMA: “.WMA”)
• Do not attach the extensions to les other than the Audio le.
If the extension is attached, the le, which is not the Audio
le, will play and outputs a loud noise, causing damage to the
speaker.
• The les with copy protection cannot be played.
• Audio les cannot be played depending on the encoding
software setting, USB device type, and/or recording
conditions.
• The unit may not be compatible with upgrade of
compression format standard and additional speci cations.
Playable MP3 le
• MPEG 1/2 Audio Layer 3 le
• Transfer bit rate: 8/ 16/ 24/ 32/ 40/ 48/ 56/ 64/ 80/ 96/ 112/
128/ 144/ 160/ 192/ 224/ 256/ 320 kbps
• Sampling frequency: 48/ 44.1/ 32/ 24/ 22.05/ 16/ 12/ 11.025/
8 kHz
Playable WMA le
• The le in accordance with Windows Media Audio 9
• Transfer bit rate: 32-192 kbps
• Sampling frequency: 48/ 44.1/ 32 kHz
Playable storage media
• CD-ROM, CD-R, CD-RW
• USB device (USB version 1.1/2.0)
⁄
• CD-RW discs which are quick formatted by the writing
software cannot be used.
• When recording to the maximum CD-R/RW media capacity at
once, the writing software is set to “Disc at once”.
• For details on the available USB devices, refer to <About USB
device> (page 7).
Playable CD-R/RW format
• ISO 9660 Level 1/2
• Joliet
Playable le format of USB device
• For the formats supported by USB devices, refer to <About
USB device> (page 7).
The maximum number of characters for
display
• File/Folder name: 30/30 characters
• MP3 ID3 Tag/ WMA Contents property:
30 characters
(The information which can be displayed with this unit:
title, artist name, and album name)
⁄
• File/Folder name is the number of the characters including
the extensions.
• This unit can display the following versions of MP3 ID3 tag:
version 1.0/ 1.1/ 2.2/ 2.3
Limitation of structure for the le and the
folder
• Maximum number of folders (including root folder)
CD-ROM, CD-R. CD-RW: 256
USB device: 999
• Maximum number of les per folder (including the number of
folders)
CD-ROM, CD-R. CD-RW: 512
USB device: 999
Playing order of the audio le
• Audio les are played in the order the les are written. You
can specify the order of playback by numbering les in a
folder and writing them by folder.
Example
CD
¡!
2
(1)
^
: Folder
¡
: Audio le
3
¡"
4
¡#
¡$
¡P
5
¡%
Folder
Audio file
• Playing order
Playing order after ¡! play:
➡ ¡", ¡#, ¡$, ¡%...