About AAC, MP3 and WMA

The playable AAC/MP3/WMA file (hereafter called Audio file) and the media format has the following limitation. The Audio file, which is not comforming to the specification, may not play normally, or the file and folder names may not display correctly.

Playable Audio file

•AAC, MP3, WMA

•Attach the correct extension for the Audio file (AAC: ".M4A", MP3: ".MP3", WMA: ".WMA")

•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.

•The settings of your encoding software and the environment in which it is used may now allow you to play or view specific audio files.

•The unit may not be compatible with upgrade of compression format standard and additional specifications.

Playable AAC file

•".m4a" file encoded by AAC-LC format.

Refer to http://www.kenwood.mediamanager.jp for the details.

Playable MP3 file

•MPEG 1/2 Audio Layer 3 file

•Transfer bit rate: 8-320 kbps

•Sampling frequency

: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48 kHz

Playable WMA file

•The file in accordance with Windows Media Audio (Except for the file for Windows Media Player 9 or after which applies the new functions)

•Transfer bit rate: 48-192 kbps

•Sampling frequency: 32, 44.1, 48 kHz

Playable media

•CD-ROM, CD-R, CD-RW

•CD-RW discs which are quick formatted by the writing software cannot be used.

•When recording to the maximum media capacity at once, the writing software is set to "Disc at once".

Playable disc format

•ISO 9660 Level 1/2

•Joliet

•Romeo

•Long file name.

The maximum number of characters for display

File/Folder name: 64 characters

MP3 ID3 Tag/ WMA Contents property/ AAC song information: 30 characters

•File/Folder name is the number of the characters including the extensions

•MP3 ID3 Tag can only display the tag of Ver1.0/ 1.1.

•AAC ID3 Tag cannot be displayed.

Limitation of structure for the file and the folder

•Maximum number of directory levels: 8

•Maximum number of folders: 100

•Maximum number of files per folder: 255

Playing order of the Audio file

The Audio file plays in the order which is written by writing software. You may be able to set the playing order by writing the play sequence numbers such as "01" to "99" at the beginning of the file name.

Example

CD (1) 0: Folder ¡: Audio file

¡!

2¡"

3 ¡# ¡$

4¡%

•Playing order

Playing order after ¡! play.

➡¡", ¡#, ¡$, ¡%...

•File search

Forward file search during ¡# play.

Push the Control knob towards [¢] ➡ ¡$

•Folder search

Forward folder search during ¡" play.

Push the Control knob towards [FM] ➡ 3, 4...

•Folder select

When the selection is set to directory 4, and you want to skip to the folder 2 at the same level. Push the Control knob towards [4] ➡ 2

When the selection is set to directory 3, moves the level up by folder select.

Push the Control knob towards [AM] ➡ 2

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