Mazda 6 User Manual page 209

This unit can play MP3 files that have
been recorded on CD-R/CD-RW/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 99
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.
About folders and files
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.
Folder
No.
3
2
4
5
1
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.)
Interior Comfort
Audio System
6-23