SMART Audio System navigation/multimedia - Page 99

Permissible bit and sampling rates
Audio format Bit rate Sampling rate
MP3 32 kbit/s to 320 kbit/s 32 kHz, 44.1 kHz,
48 kHz
MPEG-1, Audio Layer 2
(mono sound)
32 kbit/s to 192 kbit/s 32 kHz, 44.1 kHz,
48 kHz
MPEG-1, Audio Layer 2
(stereo sound)
64 kbit/s, 96 kbit/s to 384 kbit/s 32 kHz, 44.1 kHz,
48 kHz
MPEG-2, Audio Layer 2
(mono sound)
8 kbit/s to 192 kbit/s 32 kHz, 44.1 kHz,
48 kHz
MPEG-2, Audio Layer 2
(multichannel contents)
32 kbit/s, 48 kbit/s to 192 kbit/s 32 kHz, 44.1 kHz,
48 kHz
WMA 64 kbit/s to 192 kbit/s 32 kHz, 44.1 kHz,
48 kHz
Audio system navigation/multimedia does not support WMA files with the following
properties:
R
DRM (Digital Rights Management) encrypted files
R
variable bit rate
R
WMA Pro
R
5.1 (downmixed to stereo)
i
The downmixing process converts multichannel sound into stereo sound.
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.
Notes for SD/MMC memory cards and USB
devices
Observe the following notes for fast access
to your music data or playback within a
category:
R
limit the number of tracks within a
folder to a maximum of 255. This recom-
mendation also applies to the highest
directory (root).
R
the maximum directory depth must not be
more than ten levels.
R
avoid very large music files.
Notes on copyright
MP3 or WMA tracks that you create or play
back are generally subject to copyright
protection in accordance with the appli-
cable international and national regula-
tions.
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 applica-
ble 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
Music mode
97
>> Audio.
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