3785-4. Playing an audio CD and MP3/WMA discs
CDs with copy-protect features may not
play correctly.
■CD player protection feature
To protect the internal components, playback is automatically stopped when
a problem is detected while the CD
player is being used.
■If a CD is left inside the CD player or in the ejected position for
extended periods
The CD may be damaged and may not play properly.
■Lens cleaners
Do not use lens cleaners. Doing so may
damage the CD player.
■MP3, WMA and AAC files
MP3 (MPEG Audio LAYER3) is a stand- ard audio compression format.
Files can be compressed to approxi-
mately 1/10 of their original size by using MP3 compression.
WMA (Windows Media Audio) is a
Microsoft audio co mpression format.
Windows Media is either a registered
trademark or trademark of Microsoft
Corporation in the United States and/or other countries. This product is pro-
tected by certain intellectual property
rights of Microsoft. Use or distribution of such technology outside of this product
is prohibited without a license from
Microsoft.
This format compresses audio data to a
size smaller than that of the MP3 format.
AAC is short for Advanced Audio Cod-
ing and refers to an audio compression technology standard used with MPEG2
and MPEG4.
There is a limit to the MP3, WMA and AAC file standards and to the media/for-
mats recorded by them that can be
used.
●MP3 file compatibility
• Compatible standards
MP3 (MPEG1 LAYER3, MPEG2 LSF
LAYER3)
• Compatible sampling frequencies
MPEG1 LAYER3: 32, 44.1, 48 (kHz)
MPEG2 LSF LAYER3: 16, 22.05, 24
(kHz)
• Compatible bit rates (compatible with
VBR)
MPEG1 LAYER3: 32-320 (kbps)
MPEG2 LSF LAYER3: 8-160 (kbps)
• Compatible channel modes: stereo,
joint stereo, dual channel and monau-
ral
●WMA file compatibility
• Compatible standards
WMA Ver. 7, 8, 9 (9.1/9.2)
• Compatible sampling frequencies
32, 44.1, 48 (kHz)
• Compatible bit rates (only compatible
with 2-channel playback)
Ver. 7, 8: CBR 48-192 (kbps)
Ver. 9 (9.1/9.2): CBR 48-320 (kbps)
●AAC file compatibility
• Compatible standards
MPEG4/AAC-LC
• Compatible sampling frequencies
11.025/12/16/22.05/24/32/44.1/48 (kHz)
• Compatible bit rates (compatible with
VBR)
8-320 (kbps)
• Compatible channel modes
1ch, 2ch (Dual channel is not supported)
●Compatible media
Media that can be used for MP3, WMA
