About Mp3 Files; About Atrac Cd - Sony CDX-R30M Operating Instructions Manual
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Also See for CDX-R30M:
- Service manual (48 pages) ,
- Operating instructions manual (30 pages) ,
- Installation/connections (2 pages)
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• Before playing, clean the
discs with a commercially
available cleaning cloth. Wipe
each disc from the centre 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.
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.
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.
• The unit is compatible with the ISO 9660 level
1/level 2 format, Joliet/Romeo in the expansion
format, ID3 tag version 1.0, 1.1, 2.2, 2.3 and
2.4, and Multi Session.
• The maximum number of:
– folders (groups): 150 (including root and
empty folders).
– MP3 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 32/64 (Romeo); ID3 tag is
15/30 characters (1.0, 1.1, 2.2 and 2.3), or 63/
126 characters (2.4).
Playback order of MP3 files
Folder
MP3
(group)
MP3 file
(track)
Notes
• Be sure to finalize the disc before using on the unit.
• When naming an MP3 file, be sure to add the file
expansion “.mp3” to the file name.
• If you play a high-bit-rate MP3, such as 320 kbps,
sound may be intermittent.
• During playback of a VBR (variable bit rate) MP3 file
or fast-forward/reverse, elapsed playing time may
not display accurately.
• 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, ATRAC CD and
MP3.
– 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, an ATRAC CD
or MP3 session is played. If the disc has no data in
any of these formats, “NO MUSIC” is displayed.
About ATRAC CD
ATRAC3plus format
ATRAC3, which stands for Adaptive Transform
Acoustic Coding3, is audio compression
technology. It compresses audio CD data to
approximately 1/10 of its original size.
ATRAC3plus, which is an extended format of
ATRAC3, compresses the audio CD data to
approximately 1/20 of its original size. The unit
accepts both ATRAC3 and ATRAC3plus format.
ATRAC CD
ATRAC CD is recorded audio CD data which is
compressed to ATRAC3 or ATRAC3plus format
using authorized software, such as SonicStage
2.0 or later, or SonicStage Simple Burner.
• The maximum number of:
– folders (groups): 255
– files (tracks): 999
• The characters for a folder/file name and text
information written by SonicStage is displayed.
For details on ATRAC CD, see the SonicStage or
SonicStage Simple Burner manual.
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