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603.83.841 Radio Idea SB05 GB
18-01-2008
INTRODUCTION
This section only describes MP3 CD play-
er operation variants: as concerns sound
system operation, refer to section
“FUNCTIONS AND ADJUSTMENTS”.
NOTE MPEG Layer-3 audio decoding
technology licensed from Fraunhofer IIS
and Thomson multimedia.
MP3 MODE
In addition to standard audio CDs, the
sound system can also play audio files in
MP3 format. Sound system will operate as
described in the previous section (“Sound
system with Compact Disc player”) when
inserting a conventional audio CD.
For optimal playing use only top quality
CDs mastered at a speed as low as pos-
sible.
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Pagina 23
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MP3 CD files are structured by directo-
ries, with sequential lists of all directories
containing MP3 tracks (directories and
sub-directories are all brought to the same
level), directories not containing MP3
tracks cannot be selected.
Technical data and operating conditions
for MP3 files are as follows:
❒ adopted CD-ROM shall be mastered
according to ISO9660 Standard;
❒ music files shall be renamed as “.mp3”
otherwise they cannot be played;
❒ sampling frequencies are: 44.1 kHz,
stereo (96 to 320 kbit/s) - 22.05 kHz,
mono or stereo (32 to 80 kbit/s);
❒ it is possible to play variable bit-rate
tracks (files).
IMPORTANT Characters: blank, ‘ (apos-
trophe), ( and ) (open and closed brack-
ets) are not admitted in MP3 track names.
When sampling MP3 CD you must not
use these characters to name files other-
wise the sound system will not be able to
play it.
DISPLAY INFORMATION
ID3-TAG info display
In addition to time elapsed, directory
name and file name, also ID3-TAG info rel-
evant to track Title, Artist, Author (see
section “MP3 DISPLAY FUNCTION”) are
displayed.
The MP3 directory name shown on the
display corresponds to the name with
which the directory is stored on the CD,
followed by an asterisk.
Example of full MP3 directory name: BEST
OF *.
If you want to display one ID3-TAG info
(Title, Artist, Album) and the track being
played has no ID3-TAG info then, the file
name will be displayed.
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