Lexus LS460 2011 Owner's Manual page 506

3-3. Using the audio system
Items related to standards and limitations are as follows:

Maximum number of lists in device: 9999

Maximum number of songs in device: 65535

Maximum number of songs per list: 65535

USB memory

Compatible devices
USB memory that can be used for MP3 and WMA playback

Compatible device formats
The following device formats can be used:
• USB communication formats: USB2.0 FS (12 Mbps)
• File formats: FAT16/32 (Windows)
• Correspondence class: Mass storage class
MP3 and WMA files written in any format other than those listed above
may not play correctly, and their file names and folder names may not be
displayed correctly.
Items related to standards and limitations are as follows:
• Maximum directory hierarchy: 8 levels
• Maximum number of folders in a device: 999 (including the root)
• Maximum number of files in a device: 65025
• Maximum number of files per folder: 255

MP3 and WMA files
MP3 (MPEG Audio LAYER 3) is a standard audio compression format.
Files can be compressed to approximately 1/10 of their original size
using MP3 compression.
WMA (Windows Media Audio) is a Microsoft audio compression for-
mat.
This format compresses audio data to a size smaller than that of the MP3
format.
There is a limit to the MP3 and WMA file standards that can be used and
to the media/formats on which the files are recorded.
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