2013 Lexus GS 450h Owners Manual - Page 456

5-3. Using the audio system ● 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) • Compatible bit rates (compatible with VBR) MPEG1 AUDIO LAYERII, III: 32-320 (kbps) MPEG2 AUDIO LAYERII, III: 8-160 (kbps) • Compatible channel modes: stereo, joint stereo, dual channel and monaural ● WMA file compatibility • Compatible standards WMA Ver. 9 • Compatible sampling frequencies HIGH PROFILE 32, 44.1, 48 (kHz) • Compatible bit rates HIGH PROFILE 48-320 (kbps, VBR) ● File names The only files that can be recognized as MP3/WMA and played are those with the extension .mp3 or .wma. ● ID3 and WMA tags ID3 tags can be added to MP3 files, making it possible to record the track title, artist name, etc. The system is compatible with ID3 Ver. 1.0, 1.1, and Ver. 2.2, 2.3, 2.4 ID3 tags. (The number of characters is based on ID3 Ver. 1.0 and 1.1.) WMA tags can be added to WMA files, making it possible to record the track title and artist name in the same way as with ID3 tags. GS450h_U (OM30D01U)