Kenwood DPX501 Instruction Manual - Page 8
About AAC, MP3 and WMA - cd player
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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 conforming 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. • 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. • For details on the formats used for USB devices and restrictions, refer to http://www.kenwood. mediamanager.jp/. 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: 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 Storage media • CD-ROM, CD-R, CD-RW • USB device Playable CD-R/RW format • ISO 9660 Level 1/2 • Joliet • Romeo • Long file name. Playable file format of USB device • For the formats supported by USB devices, refer to http://www.kenwood.mediamanager.jp/. The maximum number of characters for display (CD-R/RW) File/Folder name: 128 characters MP3 ID3 Tag/ WMA Contents property: 30 characters AAC song information: 60 characters • 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 • AAC ID3 Tag cannot be displayed. Limitation of structure for the file and the folder (CD-R/RW) • Maximum number of directory levels: 8 • Maximum number of folders: 100 • Maximum number of files per folder: 4096 About partition of the USB device • While using the USB device, virtual folders are created to control the partition in the USB device. These folders appear in the first level (root) directory as "#:". "#" is an alphabet to identify each partition. • Even when the USB device does not have partition, "A:" folder is created, and audio files are controlled inside this folder. • 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 (page 10). 8 | English