Additional information
06
14
En
Chapter 6:
Additional information
Playable disc
Playback of CD-R/CD-RW discs
• This unit can play CD-R/CD-RW discs recorded with
CD music format, or audio data in WMA and MP3
format. However, some discs may not be playable,
or may generate noise or distorted sound.
• This unit is for playback only. It cannot record data
on CD-R/CD-RW discs.
• CD-R/CD-RW discs which have not be finalized
cannot be played on this unit. For details, consult
the operating instructions for your disc recorder.
Playing DSD discs
This unit can play DSD disc files recorded in the DSF file
format.
Playable files
• Recorded discs: DVD-R/-RW
• File Extension: .dsf
• Folder name: DSD_DISC
• Capacity: maximum 4 GB per file
• Audio: 2-channel
• Sampling frequency: 2.8224 MHz
Example of folder composition
The order of file/folder playback is not alphabetical, but
depends on the order in which they were recorded to the
disc.
• A single folder can hold a maximum of 150 files.
• A single disc can hold a maximum of 200 folders.
• Each folder should have no more than 8 levels.
• File names using Japanese language fonts and
certain other symbol fonts may not be displayed
correctly.
• Any files other than those of DSF format will be
ignored.
Caution
• Some files may not be playable.
• Discs holding large numbers of files and folders
may require substantial time to begin playback. In
this case, you can move the desired files directly to
the DSD_DISC folder, or limit the number of files to
20 or less.
Operations during playback
The following operations cannot be performed during
playback of a DSD disc:
• Direct search
• Playback of disc files other than DSF type
Display
When the unit is in the stop mode when playing a DSD
disc, the unit will display the indicator [DSD DISC].
During playback, pressing the
DISPLAY
button will
cause the display to cycle through the following
information each time the button is pressed:
• Number of the track and its elapsed playing time
• Name of file
Root
DSD_DISC
FolderA
File01.dsf
FolderB
File02.dsf
FolderD
File03.dsf
FolderC
File04.dsf
File05.dsf
File06.dsf
Playable file formats
Playing audio files
This unit supports the following file formats.
• Note that some file formats are not available for
playback although they are listed as playable file
formats.
• If an attempt is made to play files with unsupported
formats, the sound may be intermittent or be
accompanied by noise. In such cases, confirm that
the file format is compatible with this unit.
• Music files subjected to Digital Rights
Management controls cannot be played. DRM
(Digital Rights Management) copy protection is a
technology designed to protect copyrights. To
prevent illegal copying DRM restricts playback to
the disc recorder or computer originally used to
record the music. For details, consult the operating
instructions and help files for the device or
application used during the original recording.
Caution
• It may not be possible to play all CD-R/CD-RW discs
recorded on a CD recorder or computer, due to
characteristics of the disc, disc scratches or
soiling, or soiling or condensation on the player’s
laser lens.
• Discs recorded on a computer may not be playable
on this unit due to application settings or computer
environment. Be sure to record your discs using the
proper format (for details consult the marketer of
your application).
• Discs recorded in packet write format cannot be
played on this unit.
• CD-R/CD-RW discs that have not be finalized
cannot be played on this unit.
WMA file playback
• Please use discs recorded to compatibility with CD-
ROM file systems (ISO9660 level 1 and 2), and those
compatible with extended format (Joliet, Romeo).
• This unit does not support discs recorded with
Variable Bit Rate (VBR) or lossless encoding.
• This unit does not support multi-session discs.
• A total maximum of 648 folders and tracks can be
recognized and played. Of that number, a
maximum of 299 may be folders. However,
depending on the folder composition, not all folders
and tracks can be recognized and played.
• When using WMA files, be sure they have been
encoded using applications verified and recognized
by Microsoft Corporation. If unrecognized
applications are used, improper operation may
result.
Category Extension Stream
MP3
1
.mp3
MPEG-1/
2 Audio
Layer-3
Sampling
frequency
8 kHz to
48 kHz
Quantization
bitrate
16 bit
Channel
2 ch
Bitrate
8 kbps to
320 kbps
WMA
.wma
WMA2/7/
8/9
Sampling
frequency
22.05 kHz to
48 kHz
Quantization
bitrate
16 bit
Channel
2 ch
Bitrate
32 kbps to
192 kbps
AAC
.m4a
MPEG-4
AAC LC
MPEG-4
HE AAC
(AAC
Plus v1/
2)
Sampling
frequency
8 kHz to
48 kHz
Quantization
bitrate
16 bit
Channel
2 ch
Bitrate
8 kbps to
320 kbps
1. “MPEG Layer-3 audio decoding technology licensed from
Fraunhofer IIS and Thomson multimedia.”
Category Extension Stream
PD-50_PWSYXZT8.book 14 ページ
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