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Audio and Visual 235
Audio Operations
About USB Devices
■ About the supported USB memory standards
• Supported file formats:
FAT 32
• Supported audio formats:
MP3/WMA
• Maximum current:
1.0 A
• Supported capacities:
16 MB to 8 GB
• Compatibility:
USB1.0/1.1/2.0 (maximum transfer speed is same as USB 2.0)
• Mass memory support:
Supports USB mass storage class.
• Does not support USB hubs or multi card readers.
■ Supported MP3 file standards
• Supported standards:
MPEG1/2/2.5 Audio Layer 3
• Supported sampling frequencies (kHz):
- MP3 (MPEG1 Audio Layer 3): 32, 44.1, 48
- MP3 (MPEG2 Audio Layer 3): 16, 22.05, 24
- MP3 (MPEG2.5 Audio Layer 3): 8, 11.025, 12
• Supported bit rates (kbps):
- MPEG1 Audio Layer : 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256,
320
- MPEG2, 2.5 Audio Layer : 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160
* Supports VBR (Variable Bit Rate).
* Emphasis supports only 50/15ms.
* Does not support free format.
* Does not support DRM (Digital Rights Management).
• Supported channel modes:
Stereo, Joint Stereo, Dual channels, Monaural
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