Copyright - Mercedes-Benz COMAND Supplement Manual

File structure of a data carrier
When you create a disc with compressed music
files, the tracks can be organized in folders. A
folder may also contain subfolders. The disc
may contain no more than eight directory levels
(a root and seven sub-levels). Files beyond the
eighth level will not be recognized by the sys-
tem.
i
The multimedia system supports up to
25,000 files for all of the connected sources.
Track and file names
When you create a disc with compressed music
files, you can assign names to the tracks and
folders.
You should observe the following when assign-
ing track names:
track names must have at least one character
R
track names must have an extension of a sup-
R
ported audio or video format, e.g. mp3, aac or
m4v
there must be a dot between the track name
R
and the extension
Example of a correct track name:
"Track1.mp3".
Permissible formats
The multimedia system supports the following
audio and video formats:
Audio for- MP3, WMA, CDA, AAC for-
mats mats (.aac, .mp4, .m4a
and .m4b)
Video for- DVD-V, MPEG, WMV, M4V,
mats AVI up to 720p
®
Copy-protected iTunes music files with
the .m4p file extension are not supported.
Audio/video mode
Permissible sampling and data rates
The multimedia system supports MP3 and WMA
files of the following type:
Format Data rate
[kbit/s]
MP3 32-320
(fixed and varia-
ble data rates)
WMA 5-384
(fixed and varia-
ble data rates)
The multimedia system does not support WMA
files of the following type:
DRM (Digital Rights Management) encrypted
R
files
WMA Pro
R
5.1 surround sound
R
i
Only use tracks with a data 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.
Selecting an active partition (USB mass
storage devices only)
You can select this function for USB storage
devices if the storage device is partitioned. Up
to nine partitions (primary or logical, FAT,
FAT32, exFAT and NTFS) are supported.
Selecting an active partition
Select a USB storage device (
X
To select Options Options in the media menu bar:
X
turn and press the controller.
Select Select Active Partition Select Active
X
Notes on copyright
Audio or video files that you create or reproduce
yourself for playback are generally subject to
copyright protection.
In many countries, reproductions, even for pri-
vate use, are not permitted without the prior
consent of the copyright holder.
141
Sampling
rates [kHz]
8-48
8-48
page 139).
Y
Partition.
Z