Acura 2007 RDX Owner's Manual page 216

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Audio System
Playing an MP3/WMA Disc
The CD changer can also play CD-Rs
and CD-RWs compressed in MP3
and WMA format. When playing a
disc in MP3 or WMA, you will see
''MP3'' or ''WMA'' on the upper
display. A disc can support more
than 99 folders, and each folder can
hold up to 255 playable files.
When there are more than 99 folders
in a disc, the upper display only
shows two digits.
When playing a CD compressed in
MP3/WMA format, the audio
control display shows disc number,
folder name, file number, and
elapsed time. When playing a CD
without this information, the disc
number, track number, and the
elapsed time are shown on the audio
control display.
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If the disc has a complex structure, it
will be a while to read the disc before
the system begins to play it.
The specifications of the compatible
MP3 file are:
Sampling frequency: 32/44.1/48 kHz
(MPEG1), 24, 22.05, 16 kHz
(MPEG2)
Bit rate: 32/40/48/56/64/80/96/
112/128/160/192/224/256/320 kbps
(MPEG1), 8/16/24/32/40/48/56/
64/80/96/112/128/160 kbps
(MPEG2)
Compatible with variable bit rate and
multi-session.
Maximum layers
(including ROOT): 8 layers
The specifications of the compatible
WMA file are:
Sampling frequency: 32/44.1/48 kHz
Bit rate: 48/64/80/96/128/160/192
kbps
Compatible with variable bit rate and
multi-session.
Maximum layers (including ROOT):
8 layers