2009 Mazda CX-9 Owner's Manual - Page 264

Interior Comfort Audio System l l l l l l l The folder order is automatically assigned and this order cannot be optionally set. Any folder without an MP3 file will be ignored. (It will be skipped and the folder number will not be displayed.) MP3 files not conforming to the MP3 format containing both header frames and data frames will be skipped and not played. This unit will play MP3 files that have up to eight levels. However, the more levels a disc has, the longer it will take to initially start playing. It is recommended to record discs with two levels or less. A single disc with up to 512 files can be played and a single folder with up to 255 files can be played. When naming an MP3 file, be sure to add an MP3 file extension (.mp3) after the file name. The maximum number of characters that can be used for file names is as follows. However, this unit will only display up to 32 characters, including the file extension (.mp3). Maximum number of characters in a file name (including a separator "." and the three letters of the file extension) 12* 31* 64 128 CAUTION This unit can only play MP3 files that have an MP3 file extension (.mp3) attached. Do not attach an MP3 file extension to any other type file as it could cause noise to be emitted or a malfunction in the unit. About ID3 Tag display l l This unit can only display ID3 Tag album, track and artist names that have been input using Ver.1.0/1.1/2.2/2.3 formats. Any other data that may have been input cannot be displayed. This unit can only display English (including numerals) one-byte characters. Use only English (including numerals) one-byte characters when inputting ID3 tags. Two-byte characters and some special symbols cannot be displayed. Specialized glossary MP3 Abbreviation for "MPEG Audio Layer 3". A technical standard for audio compression as decided by an ISO (International Organization for Standardization) MPEG working group. Use of MP3 allows for audio data to be compressed to approximately a tenth of the source data size. ISO 9660 An international standard for logical formatting of CD-ROM files and folders. It is divided into three separate levels based on differences in file naming procedures, data configuration and other characteristics. ISO9660 level 1 ISO9660 level 2 Joliet extended format Romeo extended format * English one-byte characters (capitalized only) and underbar "_" are available. 6-24