USB
Supported audio formats
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Audio file specification
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WAVeform audio format
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MPEG1/2/2.5 Audio Layer3
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Windows Media Audio Ver 7.X/8.X
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Bit rates
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MPEG1 (Layer3): 32/40/48/56/64/80/96/112/128/160/192/224/256/320 kbps
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MPEG2 (Layer3): 8/16/24/32/40/48/56/64/80/96/112/128/144/160 kbps
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MPEG2.5 (Layer3): 8/16/24/32/40/48/56/64/80/96/112/128/144/160 kbps
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WMA (High Range): 48/64/80/96/128/160/192 kbps
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Bits Per Sample
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WAV (PCM(Stereo)): 24 bit
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WAV (IMA ADPCM): 4 bit
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WAV (MS ADPCM): 4 bit
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Sampling frequency
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MPEG1: 44100/48000/32000 Hz
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MPEG2: 22050/24000/16000 Hz
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MPEG2.5: 11025/12000/8000 Hz
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WMA: 32000/44100/48000 Hz
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WAV: 44100/48000 Hz
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Maximum length of folder/file names (Based on Unicode): 40 English or Korean characters
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Supported characters for folder/file names (Unicode support): 2,604 Korean characters, 94 alphanumeric characters, 4,888 Chinese characters in common use, 986 special characters
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Maximum number of folders: 1,000
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Maximum number of files: 5,000
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Files that are not in a supported format may not be recognised or played, or information about them, such as the file name, may not be displayed properly.
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Only files with .mp3/.wma/.wav extensions can be recognised by the system. If the file is not in supported format, change the file format by using the latest encoding software.
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The device will not support files locked by DRM(Digital Rights Management).
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For MP3/WMA compression files and WAV file, differences in sound quality will occur depending on the bitrate. (Music files with a higher bitrate have a better sound quality.)
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Japanese or Simplified Chinese characters in folder or file names may not be displayed properly.
Supported USB storage devices
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Byte/Sector: 64 kbyte or less
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Format system: FAT12/16/32 (recommended), exFAT/NTFS
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Operation is guaranteed only for a metal cover type USB storage device with a plug type connector.
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USB storage devices with a plastic plug may not be recognised.
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USB storage devices in memory card types, such as CF card or SD cards, may not be recognised.
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USB hard disk drives may not be recognised.
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When you use a large capacity USB storage device with multiple logical drives, only files stored on the first drive will be recognised.
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If an application program is loaded on a USB storage device, the corresponding media files may not play.
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Use USB 2.0 devices for better compatibility.