Filth, scratches, contortion, pin
holes or other damages on the disc
may lead to skip reading or track
repeat.
After listened to, the CD disc
should be taken out from the player
and put into a plastic box away from
moisture, heat resources and direct
solar irradiation.
CD disc cleaning: first wipe the CD
disc surface with a piece of soft and
velveteen-free wet cloth and then
wipe it dry with dry soft cloth. Do not
apply alcohol or other detergent.
MP3 and WMA files
MP3 ( MPEG Audio
LAYER 3 ) is normal
audio compressed
format. MP3
compressed format can
make file small as 1/10
of the old, even smaller.
WMA(Windows Media
TM Audio ) is audio
compressed format
invented by Microsoft.
This format can make the same
file become smaller than MP3
format.
For file criterion of MP3
and WMA and
medium/format recorded
by this criterion, this
audio system has
definite use limit.
MP3 File Compatibility
Compatible Criterion
MP3(MPEG-1,MPEG-2,
MPEG-2.5)
Compatible Sampling
Frequency
MPEG-1:32,44.1,48(kHz
[kilohertz])
MPEG-2: 16, 22.05( kHz
[kilohertz])
MPEG-2.5 : 11 ( kHz
[kilohertz])
Compatible Bit Rate
MPEG-1:64,80,96,112,
128,160,192,224,256,320
(kbps)
MPEG-2:40,48,56,64,
80,96,112,128,160(kbps)
MPEG-2.5:32,40,48,56,
64(kbps)
Compatible Track Mode:
Dual track and single track.