2009 Toyota Corolla Owners Manual - Page 184

3-2. Using the audio system n MP3 and WMA files MP3 (MPEG Audio LAYER3) is a standard audio compression format. Files can be compressed to approximately 1/10 of their original size by using MP3 compression. WMA (Windows Media TM 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 and to the media/formats recorded by them that can be used. l MP3 file compatibility • Compatible standards MP3 (MPEG1 LAYER3, MPEG2 LSF LAYER3) • Compatible sampling frequencies MPEG1 LAYER3: 32, 44.1, 48 (kHz) MPEG2 LSF LAYER3: 16, 22.05, 24 (kHz) • Compatible bit rates (compatible with VBR) MPEG1 LAYER3: 64, 80, 96, 112, 128, 160, 192, 224, 256, 320 (kbps) MPEG2 LSF LAYER3: 64, 80, 96, 112, 128, 144, 160 (kbps) • Compatible channel modes: stereo, joint stereo, dual channel and monaural l WMA file compatibility • Compatible standards WMA Ver. 7, 8, 9 • Compatible sampling frequencies 32, 44.1, 48 (kHz) • Compatible bit rates (only compatible with 2-channel playback) Ver. 7, 8: CBR 48, 64, 80, 96, 128, 160, 192 (kbps) Ver. 9: CBR 48, 64, 80, 96, 128, 160, 192, 256, 320 (kbps) l Compatible media Media that can be used for MP3 and WMA playback are CD-Rs and CDRWs. Playback in some instances may not be possible, depending on the status of the CD-R or CD-RW. Playback may not be possible or the audio may jump if the disc is scratched or marked with fingerprints. 218