Audio, Cd/dvd audio and mp3 mode – Mercedes-Benz CLS-Class 2011 COMAND Manual User Manual
Page 140

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COMAND does not support the "SD-HC
2.0 Standard" SD card format. Mercedes-
Benz recommends using SD memory cards
with a storage capacity of up to 4 GB.
Permissible file systems
R
ISO9660/Joliet for CDs
R
UDF for audio and video DVDs
R
FAT16 for SD memory cards with storage
medium
Multisession CDs
For multisession CDs, the content of the first
session determines how COMAND will
process the CD. COMAND plays only one
session and gives priority to the audio CD
session.
If possible, use COMAND to play only CDs
which were written in one session.
File structure of a disc
When you create a disc with compressed
music files, the tracks can be organized 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 subfolders. A disc can contain
a maximum of 1200 tracks.
The disc may contain no more than eight
directory levels. Files beyond the eighth level
will not be recognized by the system.
Track and file names
When you create a disc with compressed
music files, you can assign names to the
tracks and folders.
COMAND uses these names accordingly for
the display. 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:
R
track names must have at least one
character.
R
track names must have the extension
"mp3" or "wma".
R
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.
Permissible formats
COMAND supports the following formats:
R
MPEG1 Audio Layer 3 (MP3)
R
Microsoft Windows Media Audio V2, V7, V8
and V9 (WMA) without copy protection
Permissible bit and sampling rates
MP3
COMAND supports MP3 files of the following
types:
R
fixed and variable bit rates of 32 kbit/s up
to 320 kbit/s
R
sampling rates of 8 kHz to 48 kHz
WMA
COMAND supports WMA files of the following
types:
R
fixed bit rates of 8 kbit/s up to
384 kbit/s
R
sampling rates of 8 kHz to 48 kHz
COMAND does not support WMA files of the
following types:
R
DRM (Digital Rights Management)
encrypted files
R
variable bit rate
R
WMA Pro
R
5.1 Surround
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CD/DVD audio and MP3 mode
Audio