2009 Mazda CX-9 Owner's Manual - Page 263

Interior Comfort Audio System l l l l l l l l This audio system handles MP3 files that have been recorded on CD-R/CDRW/CD-ROMs. Discs that have been recorded using the following formats can be played: ISO 9660 level 1 ISO 9660 level 2 Joliet extended format Romeo extended format This unit handles MP3 files conforming to the MP3 format containing both header frames and data frames. This unit can play multi-session recorded discs that have up to 40 sessions. This unit can play MP3s with sampling frequencies of 16/22.05/24/32/44.1/48 kHz. This unit can play MP3 files that have been recorded in bit rates of 8 kbps to 320 kbps. Nonetheless, to insure enjoyment of music with consistent sound quality, it is recommended to use discs that have been recorded at a bit rate of 128 kbps or more. If a disc has both music data (CD-DA) and MP3 files, playback of the two file types differs depending on how the disc was recorded. Packet written discs cannot be played on this unit. This unit does not play CDs recorded using MP3i (MP3 interactive), MP3 PRO and RIFF MP3 formats. l l l l About folders and files l The order of hierarchy for MP3 files and folders during playback or other functions is from shallow to deep. The arrangement and playing order of a recorded disc containing MP3 files is as follows: File number A numerical file number is assigned to each file in a folder in the order of hierarchy from shallow to deep. Folder number A numerical folder number is assigned to each folder in the order of hierarchy from shallow to deep. l l NOTE Folders and tracks (files) within the same hierarchy play in the order they were written to the disc depending on the write software. Folder No. : Folder 01 02 04 3 03 2 05 4 06 5 1 Level1 Level3 : Track (File) Level2 Level4 Playback may not occur in the above hierarchy depending on the audio unit. 6-23