Kenwood K-521 Instruction Manual page 23

Supported Audio Files
On this system, you can play the audio fi le types listed below (MP3, WMA and AAC).
MP3 fi les (CD/USB)
File format:
MPEG 1 Audio Layer 3
MPEG 2 Audio Layer 3
MPEG 2.5 (MPEG 2 Audio Layer 3 Lower sampling rate)
Extension: .mp3
Sampling frequency
MPEG 1 Audio Layer 3: 32 / 44.1 / 48 kHz
MPEG 2 Audio Layer 3: 16 / 22.05 / 24 kHz
MPEG 2.5: 8 / 11.025 / 12 kHz
Bit rate
MPEG 1 Audio Layer 3: 32 – 320 kbps
MPEG 2 Audio Layer 3: 8 - 160 kbps
MPEG 2.5: 8 – 160 kbps
WMA fi les (CD/USB)
File format:
Windows Media™ Audio 9 compliant
Files created using functions in Windows Media™ Player
9 or later cannot be played.
- WMA Professional
- WMA Lossless
- WMA Voice
Extension: .wma
Sampling frequency: 22.05/ 32/ 44.1/ 48 kHz
CD
Bit rate: 16 - 320 kbps
Sampling frequency: 32/ 44.1/ 48 kHz
USB
Bit rate: 5 - 384 kbps
AAC fi les (USB only)
File format:
MPEG-4 AAC (created in iTunes™ 4.1 to 8.2)
Extension: .m4a
Sampling frequency:
8/ 11.025/ 12/ 16/ 22.05/ 24/ 32/ 44.1/ 48 kHz
Bit rate: 8 - 384 kbps
Files encoded using Apple's Lossless Encoder cannot be
played.
AAC files contained in a CD-R or CD-RW cannot be
played.
"Made for iPod" means that an electronic accessory has been
designed to connect specifi cally to iPod and has been certifi ed
by the developer to meet Apple performance standards.
Apple is not responsible for the operation of this device or its com-
pliance with safety and regulatory standards.
Important Information
CD Disc formats
ISO 9660 Level 1, ISO 9660 Level 2, Joliet, Romeo
Number of fi le limits
Max. fi les/folders: 512 in total
CD Max. folders: 99
Files per folder: 511
FAT16 Max. root folders: 65534
Max. sub-folders: 512
USB
FAT32 Max. root folders: 65534
Max. sub-folders: 65536
Maximum number of displayable characters
File names: 28
Folder names: 28
CD
Tag display (Title/Album/Artist): 31
Available ID3 tags: 1.0/ 1.1/ 2.2/ 2.3
File names: 32 (including fi le extension)
Folder names: 32
USB Tag display (Title/Album/Artist):
30 (ID3 Tag ver1.x)/ 64 (ID3 Tag ver2.x)
Available ID3 tags: 1.0/ 1.1/ 2.2/ 2.3/ 2.4
This system is capable of displaying alphanumeric char-
acters. Other character types are displayed as asterisks (*).
Other notes
Note that even where audio files comply with the
above standards, playback may fail due to factors such
as the disc characteristics or recording conditions.
Playback also may fail depending on the specifi cations
of the encoding software or the settings used for en-
coding.
DRM (Digital Rights Management) files cannot be
played.
Audio fi les encoded using VBR (Variable Bit Rate) may
use bit rates that fall outside the supported range.
Audio fi les with bit rates outside the supported range
cannot be played.
Please backup audio files to be used in the system.
Certain conditions while using a USB device can cause
contents stored on the USB device to be lost. Please
note that Kenwood will not be held liable for any losses
arising out of loss of stored data.
iPod is a trademark of Apple Inc., registered in the U.S. and other
countries.
Windows Media is a trademark of Microsoft Corporation regis-
tered in the U.S. and other countries.
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