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{Fig. 13], [Abb.13]
Recording with a deck
equipped with DOLBY
HX PRO
ovu
as
ee,
Recording witha
~\\
deck not equipped
with DOLBY
HX PRO
(gp)
asuodsay
100-200
500
IK
aK
SK
10K
= 20K
Frequency (Hz)
30
Precautions for Dolby NR
DOLBY HX PRO frig. 13]
When a source containing high-frequency components
is recorded, these components function as a bias and
the high-frequency characteristics deteriorate. DOLBY
HX
PRO
is a servo
control
system
which
always
provides the most suitable value of bias by calculating
the recording signal and the recording bias current as a
whole. A metal-tape-like performance is attained even
with LH tapes, because the frequency response is kept
flat at all times by stabilizing the dynamic frequency
characteristics.
Furthermore,
the
DOLBY
HX
PRO
substantially
expands
the
high-frequency
dynamic
range.
* This is not a noise reduction system.
*
The system functions automatically when the deck
is in the
recording
mode.
The
dynamic
sound
recorded with this deck can be played back normally
in other decks and headphone stereo sets.
DOLBY-BI/C-
a
RAUSCHUNTERDRUCKUNGSSYSTEM
DOLBY HX PRO |Abb. 13]
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