Lexus ES350 Manual page 546

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Compatible devices

USB memories 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 cor-

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 format.

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.

MP3 file compatibility

• Compatible standards

MP3 (MPEG1 AUDIO LAYERII, III, MPEG2 AUDIO LAYERII, III, MPEG2.5)

• Compatible sampling frequencies

MPEG1 AUDIO LAYERII, III: 32, 44.1, 48 (kHz)

MPEG2 AUDIO LAYERII, III: 16, 22.05, 24 (kHz)

MPEG2.5: 8, 11.025, 12 (kHz)

• Compatible bit rates (compatible with VBR)

MPEG1 AUDIO LAYERII, III: 32-320 (kbps)

MPEG2 AUDIO LAYERII, III: 32-160 (kbps)

MPEG2.5: 32-160 (kbps)

• Compatible channel modes: stereo, joint stereo, dual channel and monaural

ES350_300h_OM_OM33A60U_(U)

5-4. Using the audio system