2011 Lexus IS 350 Navigation Manual - Page 243

AUDIO/VIDEO SYSTEM MP3/WMA FILES D MP3 (MPEG Audio Layer 3) and WMA (Windows Mediar Audio) are audio compression standards. D The MP3/WMA player can play MP3 and WMA files on CD−ROM, CD−R and CD−RW discs. The unit can play disc recordings compatible with ISO 9660 level 1 and level 2 and with the Romeo and Joliet file system. D When naming an MP3 or WMA file, add the appropriate file extension (.mp3 or .wma). D The MP3/WMA player plays back files with .mp3 or .wma file extensions as MP3 or WMA files. To prevent noise and playback errors, use the appropriate file extensions. D The MP3/WMA player can play only the first session using multi−session compatible CDs. D MP3 player-MP3 files are compatible with the ID3 Tag Ver. 1.0, Ver. 1.1, Ver. 2.2, and Ver. 2.3 formats. The unit cannot display disc title, track title and artist name in other formats. D USB memory-MP3 files are compatible with the ID3 Tag Ver. 1.0, Ver. 1.1, Ver. 2.2, Ver. 2.3 and Ver. 2.4 formats. The unit cannot display track title and artist name in other formats. D WMA files can contain a WMA tag that is used in the same way as an ID3 tag. WMA tags carry information such as track title, artist name. D The emphasis function is available only when playing MP3/WMA files recorded at 32, 44.1 and 48 kHz. Sampling frequency MP3 files for MP3 player: MPEG 1 LAYER 3-32, 44.1, 48 kHz MPEG 2 LSF LAYER 3-16, 22.05, 24 kHz MP3 files for USB memory: MPEG 1 AUDIO LAYER 2, 3-32, 44.1, 48 kHz MPEG 2 AUDIO LAYER 2, 3-16, 22.05, 24 kHz MPEG 2.5-8, 11.025, 12 kHz WMA files for WMA player: Ver. 7, 8, 9 CBR-32, 44.1, 48 kHz WMA files for USB memory: Ver. 9-HIGH PROFILE 32, 44.1, 48 kHz D The sound quality of MP3/WMA files generally improves with higher bit rates. In order to achieve a reasonable level of sound quality, discs recorded with a bit rate of at least 128 kbps are recommended. Playable bit rates MP3 files for MP3 player: MPEG1 LAYER3-64 to 320 kbps MPEG2 LSF LAYER3-64 to 160 kbps MP3 files for USB memory: MPEG 1 AUDIO LAYER 2, 3-32 to 320 kbps MPEG 2 AUDIO LAYER 2, 3-32 to 160 kbps MPEG 2.5-32 to 160 kbps WMA files for WMA player: Ver. 7, 8 CBR-48 to 192 kbps Ver. 9 CBR-48 to 320 kbps WMA files for USB memory: Ver. 9 HIGH PROFILE 32 to 320 kbps, VBR (Variable Bit Rate) D The MP3/WMA player does not play back MP3/WMA files from discs recorder using packet write data transfer (UDF format). Discs should be recorded using "pre−mastering" software rather than packet−write software. 267