Sony MXD-D400 User Manual download pdf (Page 5)

Playing a disc with MP3 files

About MP3 files

MP3 (MPEG 1 Audio Layer-3) is a standard

technology and format for compressing a sound

sequence. The file is compressed to about 1/10

of its original size. Sounds outside the range of

human hearing are compressed while the sounds

we can hear are not compressed.

Playback of same MP3 files may not be

possible, depending on the recording.

The encoding method (i.e., the bit rate selected

for encoding) will affect the sound quality of the

MP3 files created. The bit rate typically used for

MP3 files is 128 kbps.

About ID3 tags

An ID3 tag is song information (such as track

name, album title, and artist name) that is

attached to MP3 files.

Notes on discs

You can play MP3 files recorded on CD-ROMs, CD-

Rs (recordable CDs), and CD-RWs (rewritable CDs).

The disc must be in the ISO 9660

level 1 or level 2

format, or Joliet or Romeo in the expansion format.

You can use a disc recorded in Multi Session

ISO 9660 Format

The most common international standard for the

logical format of the files and folders on a CD-ROM.

There are several specification levels. In Level 1, file

names must be in the 8.3 format (no more than eight

characters in the name, no more than three characters

in the extension “.MP3”) and in capital letters. Folder

names can be no longer than eight characters. There

can be no more than eight nested folder levels. Level

2 specifications allow file names up to 31 characters

long.

For Joliet or Romeo in the expansion format, make

sure of the contents of the writing software, etc.

Multi Session

This is a recording method that enables adding of

data using the Track-At-Once method.

Conventional CDs begin at a CD control area called

the Lead-in and end at an area called Lead-out. A

Multi Session CD has multiple sessions, with each

Lead-in to Lead-out segment regarded as a single

session.

CD-EXTRA: A format in which CD-DA (audio) data

are recorded in the tracks of session 1 and computer

data in the tracks of session 2.

Mixed CD: A format in which computer data are

recorded in the first track and CD-DA (audio) data in

the following tracks within a session.

Notes

• With format other than ISO 9660 level 1, folder

names or file names may not be displayed correctly.

• When naming, be sure to add the file extension

“.MP3” to the file name.

• If you add the extension “.MP3” to a file other than

MP3, the unit cannot recognize the file properly and

will generate random noise that could damage your

speakers.

• The following discs take a longer time to start

playback.

– a disc recorded with a complicated tree structure.

– a disc recorded in Multi Session.

Cautions when playing a disc that is

recorded in Multi Session

CD-DA (audio) data or MP3 files stored on a Multi

Session CD may be subject to some restrictions on

playback.

– If the disc begins with a CD-DA session, it is

recognized as a CD-DA (audio) disc, and playback

continues until an MP3 session is encountered.

– If the disc begins with an MP3 session, it is

recognized as an MP3 disc, and playback continues

until a CD-DA (audio) session is encountered.

– The playback range of an MP3 disc is determined by

the tree structure of files produced by analyzing of

the disc.

– A disc with a mixed CD format will be recognized as

a CD-DA (audio) disc.

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Sony MXD-D400 User Manual Page 5

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