beautypg.com

Comand, Audio – Mercedes-Benz SL-Class 2013 Owners Manual User Manual

Page 449

background image

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 should 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 dot between the track

name and the extension.
Example of a correct track name:

"Track1.mp3".

Permissible formats
COMAND supports the following formats:

R

MPEG1 Audio Layer 3 (MP3)

R

Microsoft Windows Media Audio V8 and V9

(WMA) without copy protection
Microsoft Windows Media Audio V2, V7, V8

and V9 (WMA)

R

additional music files in AAC format with

the file extensions .aac, .mp4, .m4a

and .m4b, but not copy-protected iTunes

music files with the extension .m4p.

i

If, in addition to MP3 files, there are other

music files in these audio formats stored on

the disc, the loading process may require a

longer time before the first track is played.

i

The MP3 audio encoding method is under

license from Fraunhofer IIS (Institut

Integrierte Schaltungen – Institute for

Integrated Circuits) and Thomson.

Permissible bit and sampling rates
COMAND supports MP3 files of the following

types:

R

fixed and variable bit rates from 32 kbit/s

to 320 kbit/s

R

sampling rates of 8 kHz to 48 kHz

COMAND supports WMA files of the

following types:

R

fixed bit rates from 5 kbit/s 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

i

Only use 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.

Notes on copyright
MP3 or WMA tracks that you create or play

back 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.
Notes on CDs/DVDs

!

COMAND is designed to play discs that

comply with the EN 60908 standard.

Therefore, you can only use discs with a

maximum thickness of 1.3 mm.
If you insert thicker discs, e.g. those that

contain data on both sides (DVD on one

side and audio data on the other), they

cannot be ejected and can damage the

device.

Audio

447

COMAND

Z