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USB I 3-13
03
Supported USB music specifications
Name
Description
Audio File
Specification
MPEG-1/2 layer3, OGG (Vorbis), FLAC, WMA
(Standard/Professional)
Recommended
Bit Rates and
Sampling
Frequency
MPEG-1/2 layer3
• 8 kbps to 320 kbps (CBR or VBR), to 48 kHz
• ID3 Tag: Suppor ts ID3v1.0 and ID3v1.1,
ID3v2.3, ID3v2.4 ID3 tags
OGG (Vorbis): From Q-1 to Q10, to 48 kHz
FLAC: 8 bit/16 bit/24 bit, to 48 kHz
WMA
• Standard (0x161): to support L3 Profile: to 385
kbps, to 48 kHz
• Professional (0x162): to support M0b: to 192
kbps, to 48 kHz
Detailed
Specifications
Maximum directory layers: 20 layers
Maximum length of folder name/file name: 255
bytes
Supported characters for folder name/file name:
Alphanumeric characters, Korean standard char-
acter set 2,350 characters, Simplified Chinese
4888 characters
Maximum number of folders which can be stored
onto one USB: 2000 folders (including ROOT)
Maximum number of files which can be stored
onto one USB: 8000
i
Information
•
The sound quality of audio files that use bitrates exceeding 192 kbps
cannot be guaranteed. When using files without fixed bit rates, some
features (FF/REW features) may not operate properly.