Playback Order Of Mp3/Wma Files; About Mp3 Files; About Wma Files - Sony CDX-GT28 Operationg Instructions

• Before playing, clean the discs
with a commercially available
cleaning cloth. Wipe each disc
from the center out. Do not use
solvents such as benzine,
thinner, commercially available
cleaners, or antistatic spray
intended for analog discs.
Notes on CD-R/CD-RW discs
• Some CD-Rs/CD-RWs (depending on the
equipment used for its recording or the condition
of the disc) may not play on this unit.
• You cannot play a CD-R/a CD-RW that is not
finalized.
• The unit is compatible with the ISO 9660 level 1/
level 2 format, Joliet/Romeo in the expansion
format, and Multi Session.
• The maximum number of:
– folders (albums): 150 (including root and empty
folders).
– files (tracks) and folders contained in a disc: 300
(if a folder/file names contain many characters,
this number may become less than 300).
– displayable characters for a folder/file name is
32 (Joliet), or 64 (Romeo).
• When the disc is recorded in Multi Session, only
the first track of the first session format is
recognized and played (any other format is
skipped). The priority of the format is CD-DA and
MP3/WMA.
– When the first track is a CD-DA, only CD-DA of
the first session is played.
– When the first track is not a CD-DA, the MP3/
WMA session is played. If the disc has no data
in any of these formats, "NO MUSIC" is
displayed.
Music discs encoded with copyright
protection technologies
This product is designed to play back discs that
conform to the Compact Disc (CD) standard.
Recently, various music discs encoded with
copyright protection technologies are marketed by
some record companies. Please be aware that among
those discs, there are some that do not conform to
the CD standard and may not be playable by this
product.
Note on DualDiscs
A DualDisc is a two sided disc product which
mates DVD recorded material on one side with
digital audio material on the other side. However,
since the audio material side does not conform to
the Compact Disc (CD) standard, playback on this
product is not guaranteed.

Playback order of MP3/WMA files

MP3/WMA

About MP3 files

• MP3, which stands for MPEG-1 Audio Layer-3, is
a music file compression format standard. It
compresses audio CD data to approximately 1/10
of its original size.
• ID3 tag versions 1.0, 1.1, 2.2, 2.3 and 2.4 apply to
MP3 only. ID3 tag is 15/30 characters (1.0 and
1.1), or 63/126 characters (2.2, 2.3 and 2.4).
• When naming an MP3 file, be sure to add the file
extension ".mp3" to the file name.
• During playback or fast-forward/reverse of a VBR
(variable bit rate) MP3 file, elapsed playing time
may not display accurately.
Note
If you play a high-bit-rate MP3, such as 320 kbps,
sound may be intermittent.

About WMA files

• WMA, which stands for Windows Media Audio,
is a music file compression format standard. It
compresses audio CD data to approximately 1/22*
of its original size.
• WMA tag is 63 characters.
• When naming a WMA file, be sure to add the file
extension ".wma" to the file name.
• During playback or fast-forward/reverse of a VBR
(variable bit rate) WMA file, elapsed playing time
may not display accurately.
* only for 64 kbps
Note
Playback of the following WMA files is not supported.
– lossless compression
– copyright-protected
If you have any questions or problems concerning
your unit that are not covered in this manual, consult
your nearest Sony dealer.
Folder
(album)
MP3/WMA file
(track)
13