compression ratio MAZDA MODEL CX-9 2012 Owners Manual (in English)

[x] Cancel search | Manufacturer: MAZDA, Model Year: 2012, Model line: MODEL CX-9, Model: MAZDA MODEL CX-9 2012
Pages: 604, PDF Size: 13.45 MB

Page 280 of 604

MAZDA MODEL CX-9 2012 Owners Manual (in English) Black plate (280,1)
lThe 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).
Maxi

Black plate (280,1)
lThe 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)
ISO9660 level 1 12
*
ISO9660 level 2 31*
Joliet extended
format64
Romeo extended
format128
* English one-byte characters (capitalized only) and
underbar“_”are available.
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
lThis 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.
lThis 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.
Multi-session
A session is the complete amount of data
recorded from the beginning to the end of
a single period of CD-ROM, CD-R/CD-
RW data recording. Multi-session refers to
the existence of data from two or more
sessions on a single disc.
Sampling
Refers to the process of encoding analog
audio data at regular intervals and
converting it to digital data. The sampling
rate refers to the number of times a
sample is taken in one second and is
expressed in Hz units. Increasing the
sampling rate improves the sound quality
but also increases the data size.
6-24
Interior Comfort
Audio System
CX-9_8CA8-EA-11G_Edition1 Page280
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Page 281 of 604

MAZDA MODEL CX-9 2012 Owners Manual (in English) Black plate (281,1)
Bit rate
Refers to the volume of data per second,
expressed in bps (bits per second).
Generally, the larger the number of the
transfer bit rate when compressing an
MP3 file, the mo

Black plate (281,1)
Bit rate
Refers to the volume of data per second,
expressed in bps (bits per second).
Generally, the larger the number of the
transfer bit rate when compressing an
MP3 file, the more information regarding
musical reproduction it carries, and
therefore the better the sound quality.
Packet writing
A general term for the method, similar to
that used for floppy discs or hard drives,
of recording the required file in a single
increment on a CD-R and similar.
ID3 Tag
ID3 tag is a method for storing
information related to the music in an
MP3 file. Information such as track, artist
and album name can be stored. This
content can be freely edited using ID3
editing function software.
VBR
Abbreviation for Variable Bit Rate. While
CBR (Constant Bit Rate) is generally
used, VBR varies the bit rate for audio
compression according to compression
conditions and this allows for
compression with preference given to
sound quality.
qOperating Tips for WMA
WMA is short for Windows Media Audio
and is the audio compression format used
by Microsoft.
Audio data can be created and stored at a
higher compression ratio than MP3.
* Microsoft and Windows Media are
registered trademarks of Microsoft
Corporation U.S. in the United States
and other countries.
Playable WMA file specification
CD-R and CD-RW including WMA files
can be played with this unit. Discs which
conform to the following formats can be
played.
Playable WMA files are as follows:
Item Content
SpecificationWindows Media
Audio Version 7.0,
8.0, 9.0
Sampling
frequencyBit rate32kHz.......32,40,
48 kbps
44.1kHz.....32,48,
64, 80, 96, 128, 160,
192, 256, 320 kbps
48kHz.......64,96,
128, 160, 192 kbps
VBR (Variable Bit Rate) Supported
Channel mode Stereo/Monaural
WMA tagTitle, artist name,
album name
CAUTION
This unit plays files with the (.wma)
file extension as a WMA file. Do not
use the WMA file extension for files
other than WMA files. It may cause
noise or a malfunction.
lIn a WMA file, the track name, artist
name and album name are recorded
with data called“WMA-Tag”, and the
information can be displayed.
lWMA files which do not comply with
the specific standard may not be played
correctly or its file and folder name
may not be displayed correctly.
lThe file extension may not be provided
depending on the computer operating
system, version, software, or settings.
In this case, add the file extension
“.wma”to the end of the file name, and
then write the disc.
Interior Comfort
Audio System
6-25
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Page 300 of 604

MAZDA MODEL CX-9 2012 Owners Manual (in English) Black plate (300,1)
Centerpoint®on
Press selection button 6.
Centerpoint
®off
Press selection button 2.
NOTE
lCenterpoint®operates optimally with a 2-
channel stereo CD. MP3 audio files can be
play

Page 335 of 604

MAZDA MODEL CX-9 2012 Owners Manual (in English) Black plate (335,1)
lThis unit corresponds to multi-session recorded disc playback at a maximum of 49
sessions.
lSome data on multi-session recorded discs cannot be played.lPlayback of discs with adde

Black plate (335,1)
lThis unit corresponds to multi-session recorded disc playback at a maximum of 49
sessions.
lSome data on multi-session recorded discs cannot be played.lPlayback of discs with added sessions is possible.lPacket Write recorded discs cannot be played.lThis unit does not correspond to MP3i (MP3 interactive), MP3 PRO, and RIFF-style
MP3 formats.
lThe maximum number of characters available for a file name is as follows, however, the
displayable number of characters on this unit is limited.
Maximum number of characters in a file name
(including a separator“.”and the three letters of the file exten-
sion)
ISO9660 level 1 12
*
ISO9660 level 2 31*
Joliet extended format 64
Romeo extended format 128
* English one-byte characters (capitalized only) and underbar“_”are available.
MP3
CAUTION
This unit plays files with the (.mp3) file extension as a MP3 file. Do not use the MP3
file extension for files other than MP3 files. It may cause noise or a malfunction.
lIn a MP3 file, the track name, artist name, album name and category name are recorded
with data called“ID3-Tag”, and the information can be displayed on the monitor.
lMP3 files which do not comply with the specific standard may not be played correctly
or its file and folder name may not be displayed correctly.
lThe file extension may not be provided depending on the computer operating system,
version, software, or settings. In this case, add the file extension“.mp3”to the end of the
file name, and then write the disc.
Playlist
This unit can play playlist files. Playlist is a function that allows free setting of the
playback order of MP3 files. The file extension of a playlist file in which the order of
playback is recorded is“. m3u”or“. pls”.
Operating tips for WMA
WMA is short for Windows Media Audio and is the audio compression format used by
Microsoft.
Audio data can be created and stored at a higher compression ratio than MP3.
*Microsoft and Window Media are registered trademarks of Microsoft Corporation U.S. in
the United States and other countries.
Interior Comfort
Rear Entertainment System
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Page 366 of 604

MAZDA MODEL CX-9 2012 Owners Manual (in English) Black plate (366,1)
NOTElThe display angle change is not available
for discs other than multi-angle recorded
DVD discs. Refer to the instruction manual
accompanying the disc for details.
lThe screen s

Black plate (366,1)
NOTElThe display angle change is not available
for discs other than multi-angle recorded
DVD discs. Refer to the instruction manual
accompanying the disc for details.
lThe screen size and angle can be changed
when On-Screen Mark and Angle Mark is
off.
Mode Priority
The priority of the inserted discs (CD-R/
CD-RW) can be selected.
Audio
Digital Output
Not used with this unit.
Audio DRC
The audio dynamic range can be adjusted
to reduce the difference between the
maximum and minimum audio output.
Audio compression of the DVD video
playback can be selected or deselected
during playback using the following
modes:
Mode Function
NONE Playback with normal volume
LINELower volume is increased to
reduce difference in volume range.
RFUse when it is still difficult to hear
sound while using LINE.
Sound quality is reduced while
using RF.
NOTE
Only sound output from the headphones is
available.
Auxiliary Input (AUX mode)
In AUX mode, AV equipment such as a
video game player or a video camera can
be used by connecting the image and
sound cables to the auxiliary terminals.
NOTE
lBefore operating, read the instruction
manual accompanying the AV equipment to
be used.
lTo listen to the Rear Entertainment System
sound from the vehicle speakers, change the
audio or navigation system sound to the
Rear Entertainment System sound.
Refer to Sound Output from Vehicle
Speakers on page 6-91.
To listen to audio other than from the
speakers of the rear entertainment system, it
is necessary to use the wireless headphones
that are included. For headphone
specification, refer to
“Operation Tips for Headphones”(page
6-81).
lThe cooling fan for this unit may activate if
the temperature of the unit is high, however,
this does not indicate a malfunction.
qAuxiliary Terminals and Power
Outlet
The auxiliary terminals and power outlet
are positioned as shown in the figure.
Power outlet
(AC115V)
Auxiliary
terminals
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Interior Comfort
Rear Entertainment System
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Page 592 of 604

MAZDA MODEL CX-9 2012 Owners Manual (in English) Black plate (592,1)
Specifications
qEngine
Item Specification
Type DOHC-24V 60°V, 6-cylinder
Bore×Stroke 95.5 × 86.7 mm (3.75 × 3.41 in)
Displacement 3,726 ml (3,726 cc, 227.4 cu in)
Compression r