8
About MP3 and WMA
The playable MP3/WMA fi le (hereafter called
Audio
fi le
) and the media format have the following
limitation. The Audio fi le, which is not conforming to
the specifi cation, may not play normally.
Playable Audio fi le
Playable MP3 fi le
• File formats: MPEG 1/2 Audio Layer 3 file
• Extension: .mp3
• Transfer bit rate: 8 kbps – 320 kbps
• Sampling frequency: 48/ 44.1/ 32/ 24/ 22.05/ 16/ 12/
11.025/ 8 kHz
Playable WMA fi le
• File format: Windows Media™ Audio compliant
• Extension: .wma
• Transfer bit rate: 32 kbps – 320 kbps
• Sampling frequency: 48/ 44.1/ 32 kHz
• Files created using functions in Windows Media™ Player 9 or
later cannot be played.
- WMA Professional
- WMA Lossless
- WMA Voice
⁄
• Do not attach the extensions to files other than the Audio file.
If the extension is attached, the file, which is not the Audio
file, will play and outputs a loud noise, causing damage to the
speaker.
• The files with copy protection cannot be played.
• Audio files 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 specifications.
• Audio files encoded using VBR (Variable Bit Rate) may use bit
rates that fall outside the supported range. Audio files with bit
rates outside the supported range cannot be played.
Playable storage media
• CD-ROM, CD-R, CD-RW
• USB device (USB version 1.1/2.0)
• SD, SDHC, mini SD, micro SD/SDHC card
⁄
• 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 9).
• For details on the available SD/SDHC card, refer to <About SD
card> (page 9).
Playable CD-R/RW format
• ISO 9660 Level 1/2
• Joliet
Playable fi le format of USB device/ SD card
• FAT 16/ 32
The maximum number of characters for
display
• File/Folder name: 30/ 9 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
• A character that cannot be displayed with this unit is
displayed incorrectly or substituted by “-“.
Limitation of structure for the fi le and the
folder
• Maximum number of folders: 255 (including root folder)
• Maximum number of files per folder: 999 (including the
number of folders)
Playing order of the audio fi le
• Audio files are played in the order the files are written. You can
specify the order of playback by numbering files in a folder
and writing them by folder.
Example
CD
¡!
2
(
1
)
^
: Folder
¡
: Audio file
3
¡$
4
¡"
¡#
¡P
5
¡%
Folder
Audio file
• Playing order
Playing order after
¡!
play:
➡
¡"
,
¡#
,
¡$
,
¡%
...
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