3-2. Using the audio system
WMA file compatibility
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• Compatible standards
WMA Ver. 7, 8, 9
• Compatible sampling frequencies
32, 44.1, 48 (kHz)
• Compatible bit rates (only compatible with 2-channel playback)
Ver. 7, 8: CBR 48, 64, 80, 96, 128, 160, 192 (kbps)
Ver. 9: CBR 48, 64, 80, 96, 128, 160, 192, 256, 320 (kbps)
Compatible media
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Media that can be used for MP3 and WMA playback are CD-Rs and CD-RWs.
Playback in some instances may not be possible, depending on the status of the
CD-R or CD-RW. Playback may not be possible or the audio may jump if the disc
is scratched or marked with fingerprints.
Compatible disc formats
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The following disc formats can be used.
• Disc formats: CD-ROM Mode 1 and Mode 2
• File formats: ISO9660 Level 1, Level 2, (Romeo, Joliet)
Items related to standards and limitations are as follows.
• Maximum directory hierarchy: 8 levels
• Maximum length of folder names/file names: 32 characters
• Maximum number of folders: 192 (including the root)
• Maximum number of files per disc: 255
File names
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The only files that can be recognized as MP3/WMA and played are those with
the extension .mp3 or .wma.
Multi-sessions
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As the audio system is compatible with multi-sessions, it is possible to play discs
that contain MP3 and WMA files. However, only the first session can be played.
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CD-ROM XA Mode 2, Form 1 and Form 2
MP3 and WMA files written in any format other than those
listed above may not play correctly, and their file names and
folder names may not be displayed correctly.