Lexus ES350 Manual page 408

408
5-3. Using the Lexus Display Audio system
MP3 and WMA playback
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When a disc containing MP3 or WMA files is inserted, all files on the disc are first
checked. Once the file check is finished, the first MP3 or WMA file is played. To
make the file check finish more quickly, we recommend you do not write in any
files other than MP3 or WMA files or create any unnecessary folders.
Discs that contain a mixture of music data and MP3 or WMA format data cannot
be played.
Extensions
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If the file extensions .mp3 and .wma are used for files other than MP3 and WMA
files, they may be mistakenly recognized and played as MP3 and WMA files. This
may result in large amounts of interference and damage to the speakers.
Playback
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• To play MP3 files with steady sound quality, we recommend a fixed bit rate of at
least 128 kbps and a sampling frequency of 44.1 kHz.
• CD-R or CD-RW playback may not be possible in some instances, depending
on the characteristics of the disc.
• There is a wide variety of freeware and other encoding software for MP3 and
WMA files on the market, and depending on the status of the encoding and the
file format, poor sound quality or noise at the start of playback may result. In
some cases, playback may not be possible at all.
• When files other than MP3 or WMA files are recorded on a disc, it may take
more time to recognize the disc and in some cases, playback may not be possi-
ble at all.
• Microsoft, Windows, and Windows Media are the registered trademarks of
Microsoft Corporation in the U.S.A. and other countries.
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