20
N ot e s on M P3 disc s
This CD player can play the discs with MP3
files recorded in CD-ROM format or on the
CD-Rs/RWs as well.
Pla ya ble file s
To enjoy the MP3 files on this CD player, the
files must be recorded in the format compliant
with the ISO9660 standard.
About M P3
• MP3 (MPEG 1 Audio Layer-3) is a standard
technology and format for compressing a
sound sequence.
• The files with “.mp3” as the extension can be
regarded as MP3 files. The files with “.m3u”
as the extension can be regarded as play list
files.
• This CD player cannot recognize the files
with the extension other than “.mp3” or
“.m3u.”
• The files with the extension “.mp3” that are
not recorded in the MP3 format cannot be
played properly on this CD player.
Pla ya ble M P3 file s on t his
pla ye r
You can only play MP3 files recorded by
following requirements.
USABLE MEDIA
CD-Rs and CD-RWs
USABLE DISC FORMAT
You can use ISO 9660 Level 1/2 format, Joliet
extension format, and Romeo format discs.
This unit can display only 1-byte characters.
(2-byte characters like those of Japanese are
displayed as “
✽
.”)
The major specification of the usable disc
format is:
• Maximum directory steps: 8 (9 on the Joliet
format discs)
• Maximum number of characters for a file
name and a folder name:
- 15 and a 3-character extension code on the
Joliet format discs
- 30 and a 3-character extension code on
other than Joliet format discs
THE USABLE NUMBER OF FOLD-
ERS/FILES
• Maximum number of folders: 255
(depending on the number of files)
• Maximum number of files: 999
This CD player can play back MP3
files of the following sampling
frequencies:
MPEG 1: 32 kHz, 44.1 kHz, 48 kHz
MPEG 2: 16 kHz, 22.05 kHz, 24 kHz
MPEG 2.5: 8 kHz, 11.025 kHz, 12 kHz
Notes on playing MP3 files
• If a disc contains audio (CD-DA) tracks and
MP3 files, this CD player plays only the
audio tracks.
• This CD player may not play files in their
order they were recorded.
• E•A•S•S memory duration is approximately
100 seconds at the longest with files of 128
kbps bit rate.
• This CD player can play back MP3 files of
the following bit rates:
– MPEG 1/Audio Layer 3: 32 kbps – 320
kbps
– MPEG 2/Audio Layer 3: 8 kbps – 160
kbps
– MPEG 2.5/Audio Layer 3: 8 kbps – 160
kbps
This CD player is best suited for playback of
tracks with a bit rate of 128 kbps. The sound
may be intermittent or distorted during
playback of tracks encoded with a certain
encoder or encoded with bit rate over 128
kbps.
• The playing time may not be displayed
correctly when variable-bit-rate (VBR) files
are played.
• Depending on the encoder to create MP3
files, noise may be heard or sound may be
intermittent when MP3 files are played on
this CD player.
• Sound is muted for a moment with the disc
that contains no silent portion between songs
(files) such as a disc with a recording of a
live performance, etc.
• When files encoded in the MP3 Pro format
are played back on this CD player, their
sound quality may not be as high as they
should be.
