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MUSIC SEARCH SYSTEM
1.
For cueing the next melody while
the
present
melody
is being reproduced:
At PLAY
mode,
depress
the PLAY button
and the FF
button
simultaneously.
This
device
will
detect
the
interval
between
melodies
with
the CUE
state
on,
automatically
become
the
PLAY
mode
and _ begin
performing the next melody.
2.
For hearing again the melody
now being reproduced:
At PLAY
mode,
depress
the PLAY
button
and the REW
button
simultaneously.
This
device
will
detect
the
interval
between
melodies: with 'the REVIEW
state
on,
automatically
becoine.. 'the
PLAY
mode,
detect
the
beginning
of the mel
-how being performed
and play
it from the first again. -
DOLBY C NOISE REDUCTION SYSTEM
@ The Dolby noise reduction
system
substantially
reduces
the tape background noise (hiss) inherent in the cassette
medium.
Dolby
B NR'is
most
widely
in use..
However,
Dolby
C NR
is a much
moré
recent
development
and
represents a significantly improvements over Dolby B NR.
l™ Tape background noise consists primarily of high frequency
information
which
is particularly
annoying
during
soft
passages.
The
Dolby
NR
system
increase
the level of
tow volume mid and high frequency signal during recording
and
reduces
the
level
of
these
signals
by an
identical
amount during playback.
As a result, the playback signal
is identical to the original
source
signal,
but the level
of background
noise generated
by the
tape
is greatly
reduced.
Note:
MUSIC
SEARCH
is a function which eps ates by detecting
a comparatively
long non-recorded part on the tape.
There-
fore,
MUSIC
SEARCH
may
not operate
normally
in the
following cases.
:
e Sound
on the tape is interrupted
by speech
or conversa-
tion.
F
eLong
periods
of
pianissimo
(softly
played
music)
or
non-recorded
intervals occur on the tape.
¢ The tape has picked up noise in a non-recorded interval.
e Non-recorded intervals on the tape are less than 4 seconds
in length.
eNoise-emitting
electrical
appliances
are
in
operation
nearby. i.e.; Electric razors, drills, refrigerators, etc.
W@The
operating
principle of Dolby C NR
is similar
to that
of B except
for the encoding/decoding
response
curves.
The noise reduction
effect obtained
by Dolby C NR
is up
to 20dB, compared to 10dB with Dolby
BNR.
In addition,
Dolby C NR uses
an antisaturation
network
and
spectral
skewing circurity,
and significantly improves the dynamic
range
in the mid to high frequencies.
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