Notes on MP3 mode
Permissible discs
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CD-R and CD-RW
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DVD-R and DVD-RW
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PCMCIA card more
Permissible file systems
Multisession CDs
For multisession CDs, the content of the first session determines how COMAND will process the CD.
If the first session contains data in audio CD format, for example, and the second session contains MP3 tracks, COMAND will treat the CD as a conventional audio CD. This means that it is not possible to access the MP3 tracks.
If the first session contains MP3 tracks, for example, and the second session contains data in audio CD format, COMAND will treat the CD as an MP3 disc. This means that it is not possible to access the audio CD tracks.
File structure of a disc
When you create a disc with music files, the tracks can be organised in folders. A folder can also contain subfolders. A disc can contain a maximum of 255 folders. Each folder can contain a maximum of 255 tracks and 255 folders. A disc can contain a maximum of 4,000 tracks.
The disc may contain no more than eight directory levels. Files beyond the eighth level will not be recognised by the system.
Track and file names
When you create a disc with music files, you can assign names to the tracks and folders.
COMAND uses these names accordingly for the display. Empty folders or folders which contain data other than MP3 or WMA tracks are not displayed by COMAND.
If MP3 or WMA files are stored in the root directory itself, the root directory will also be treated as a folder. COMAND will then show the name of the root directory as the folder name.
You must observe the following when assigning track names:
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Title names must have at least one character.
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Title names must have the extension "mp3" or "wma".
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There must be a full stop between the track name and the extension.
Example of a correct track name: Track1.mp3
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COMAND does not support ID3 tags.
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Permissible formats
COMAND supports the following formats:
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MPEG1 Audio-Layer 3 (MP3)
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Microsoft Windows Media Audio (WMA) V2, V7, V8 or V9
Bit and sample rates
MP3
COMAND supports MP3 files of the following types:
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Fixed and variable bit rates up to 320 kBit/s
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Sampling rates of 24 kHz to 48 kHz
WMA
COMAND supports WMA files of the following types:
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Fixed bit rates of 5 kBit/s up to 384 kBit/s
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Sampling rates of 8 kHz to 48 kHz
COMAND does not support WMA files of the following types:
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DRM (Digital Rights Management) encrypted files
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Variable bit rate
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Lossless settings
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WMA Pro
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5.1-Surround
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Only use MP3 tracks with a bit rate of at least 128 kBit/s and a sampling rate of at least 44.1 kHz. Lower rates can cause a noticeable deterioration in quality. This is especially the case if you have activated a surround sound function*.
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Notes on copyright
MP3 or WMA tracks that you create or playback are generally subject to copyright protection in accordance with the applicable international and national regulations.
In many countries, reproductions, even for private use, are not permitted without the prior consent of the copyright holder.
Make sure that you know about the applicable copyright regulations and that you comply with these.
If you own these rights yourself, e.g. for your own compositions and recordings, or if the copyright holder has granted you permission, these restrictions do not apply.
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when the main area is selected.
dot indicates the current medium.
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