Subaru 2007 Tribeca Bedienungsanleitung PDF herunterladen (Seite 202)

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MP3 audio

 What is MP3?

MP3 (the name is an abbreviation of

‘MPEG Audio Layer 3’) is a compression

format for digital audio. It was developed

by the Motion Picture Experts Group. It

permits audio data to be shrunk by a factor

of approximately 10 with no loss of sound

quality, meaning that the audio on 10 con-

ventional CDs can be fitted onto a single

CD-R or CD-RW (assuming a bit rate of

128 kbps and a sampling frequency of

44.1 kHz).

N

O

TE

y MP3 encoding and writing software

is not supplied with the audio system.

y CD writing software is not supplied

with the audio system.

 Creating MP3 files

y To create a high-quality MP3 file, it is

advisable to have a high bit rate (128 kbps

or higher) and a high sampling frequency.

y If a file is created with a variable bit rate

(VBR), the elapsed time during playback

may not be displayed correctly and the

sound may skip.

y The sound quality during playback de-

pends upon the encoder and bit rate. De-

tailed information can be found in the us-

er’s manuals for encoder software and

writing software.

y A fixed bit rate of 128 kbps or higher is

recommended.

 Saving MP3 files on a disc

y Do not save any non-MP3 file on a disc.

Also, do not save any unnecessary folders

on a disc.

y If many folders and/or non-MP3 files are

saved on a disc, a delay will be caused be-

fore playback begins.

y If a disc contains both Compact Disc-

Digital Audio (CD-DA) files and MP3 files,

the system will play only the CD-DA files.

y Add the extension ‘.MP3’ to the name of

every MP3 file. The system will not play

any file that has either no extension or an

extension other than ‘.MP3’.

y Do not add the extension ‘.MP3’ to the

name of any non-MP3 file. Doing so could

lead to speaker damage.

y The system does not support multi-ses-

sion recording, so disc-at-once recording

is recommended.

y The system does not support packet

writing software.

y The system does not have a playlist

function.

y The system may not be able to display

and play certain MP3 files depending on

the writing software and CD recorder.

y Recording must be performed using a

file system supported by the audio sys-

tem. Otherwise, the audio system may not

play the MP3 files and may not display

folder titles and file titles.

 Supported file systems

The audio system supports the following

file systems:

y ISO 9660 Level 1/Level 2

y Apple Extension to ISO 9660

y Joliet

y Romeo

N

O

TE

The audio system does not support the

following file systems:

y Apple HFS

y UDF 1.50

y Mix CD (CD Extra)

 Compression format

y MPEG 1 audio layer 3 (MP3)

Bit rate: 32 kbps – 320 kbps

Sampling frequency: 32, 44.1, 48 kHz

y MPEG 2 audio layer 3 (MP3)

Bit rate: 8 kbps – 160 kbps

Sampling frequency: 16, 22.05, 24 kHz

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