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5-61
Audio
– CONTINUED –
supported by the audio system. Otherwise, the audio
system may not play the MP3 files and may not display
folder titles and file titles.
! Supported file systems
The audio system supports the following file systems:
" ISO 9660 Level 1/Level 2
" Apple Extension to ISO 9660
" Joliet
" Romeo
NOTE
The audio system does not support the following
file systems:
" Apple HFS
" UDF 1.50
" Mix CD (CD Extra)
! Compression format
" MPEG 1 audio layer 3 (MP3)
Bit rate: 32 kbps – 320 kbps
Sampling frequency: 32, 44.1, 48 kHz
" MPEG 2 audio layer 3 (MP3)
Bit rate: 8 kbps – 160 kbps
Sampling frequency: 16, 22.05, 24 kHz
! Numbers of folders and files
" Maximum number of folders: 255 (including root
folder)
" Maximum number of files: 999 (maximum number in
one folder: 255)
" Maximum number of layers: 8
NOTE
" Not all of the discs stored in MP3 files may be
able to be played back.
" Even if a folder contains no MP3 files, it is count-
ed as a folder.
" Writing software can rearrange folders and files
such that the playback order is different from the
desired one.
" The playback order for a given disc can be dif-
ferent with different players.
! Copyright issues
Except with respect to copies made for personal use,
duplication, distribution, and transmission of music
and other copyrighted material on a disc without per-
mission from the copyright holder is illegal.
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