AVN2227P > How to Operate the USB Music File Player > About Playable USB Memory Standards
About Playable USB Memory Standards
• Supported File System: FAT 16/32
• Playable Audio Format: MP3
• Max.Current: 500mA
• Compatibility: USB1.1/2.0 (Maximum transmission speed equivalent to USB 1.1: 12 Mbps)
• Correspondence: USB mass storage class (Playing from an external HDD is not supported)
Playable MP3 File Standards
• Supported standards:
MPEG-1
MPEG-2
MPEG-2.5
MPEG-1
MPEG-2
MPEG-2.5
• Supported sampling frequencies: 32,44.1,48(kHz)
• Supported bit rate: 8,16,24,32,40,48,56,64,80,96,112,128,160,192,224,256,288,320(kbps)
* Supports VBR (64~320kbps).
* Does not support free format.
* Supports VBR (64~320kbps).
* Does not support free format.
• Supported channel modes: monaural, stereo, joint, dual
ID3 tags
MP3 files have an "ID3 Tag" that allows input of information so that data such as song titles and the artist can be saved.
This main unit supports ID3v. 1.0, 1.1, 2.2, 2.3 and 2.4.
Format of USB Memory
The format of the USB Memory to be used must be ISO9660 Level 1 or Level 2.
The control items for this standard are as follows:
The control items for this standard are as follows:
• Maximum directory layers: 8 layers
• Maximum characters for file names:
Up to 256 characters (the maximum number of characters obtained by adding the folder name and the file name, including "." and the 3-letter file extension)
Up to 256 characters (the maximum number of characters obtained by adding the folder name and the file name, including "." and the 3-letter file extension)
• Allowable characters for file names: A~Z, 0~9, _ (underscore)
• Maximum number of files in a single memory: 3000
