2013 Toyota Matrix Owners Manual - Page 219

3-2. 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) 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 ● WMA file compatibility • Compatible standards WMA Ver. 7,8,9 • Compatible sampling frequencies HIGH PROFILE 32, 44.1, 48 (kHz) • Compatible bit rates HIGH PROFILE 32-320 (kbps, VBR) ● File names The only files that can be recognized as MP3/WMA and played are those with the extension .mp3 or .wma. 3 Interior features 239