Mazda CX-9 Bedienungshandbuch PDF herunterladen (Seite 289)

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101

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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 files are as follows:

Item Content

Specification

Ver 7.0, 8.0, 9.0

(standard)

Ver 10 (standard)

Sampling rate 32/44.1/48 kHz

Bit rate 32―320 kbps

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. Otherwise, it

could result in noise or a

malfunction.

Track, artist and album name

information is recorded as data termed

“WMA-Tag”, and this information is

displayable.

WMA files written under specifications

other than the indicated specification

may not play normally or files or folder

names may not display correctly.

The 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 it to the disc.

qOperating Tips for AAC

Advanced Audio Coding (AAC) is

standardized voice compression

established by the ISO

working group

(MPEG). Audio data can be created and

stored at a higher compression ratio than

MP3.

*1 International Organization for

Standardization

Playable AAC file specifications

This unit supports playback of AAC files

recorded in CD-R and CD-RW.

Playable AAC files are as follows:

Item Content

Specification MPEG-4 AAC

Sampling rate

8/11.025/12 kHz

16/22.05/24 kHz

32/44.1/48 kHz

Bit rate 24―320 kbps

CAUTION

This unit plays files with the file

extension (.m4a) as an AAC file. Do

not use the AAC file extension for files

other than AAC files. Otherwise, it

could result in noise or a

malfunction.

Interior Comfort

Audio System

6-25

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