En
40
06
Listening to your system
phase distortion of the speakers subsequently
causes group delay (the delay of low-frequency
sound against high-frequency sound) during
audio signal playback.
This receiver analyzes the frequency-phase
characteristics of the speakers by measuring
test signals output from the speakers with the
supplied microphone, therefore flattening the
analyzed frequency-phase characteristics dur-
ing audio signal playback - the same correction
is made for a pair of left and right speakers.
This correction minimizes group delay between
the ranges of a speaker and improves the fre-
quency-phase characteristics across all ranges.
Furthermore, the enhanced frequency-phase
characteristics between channels ensure better
surround sound integration for multichannel
setting.
1 Press
to the receiver operation
mode.
2 Press PHASE CTRL (PHASE CONTROL) to
select FULLBAND PHASE.
Both the Phase Control and Full Band Phase
Control functions are switched on. The
FULL BAND
and
indicator, on the front
panel lights.
Note
!
To calibrate and analyze the frequency-
phase characteristics of the speakers,
either follow the
Full Auto MCACC
procedure under
Advanced MCACC
(see
Automatically conducting optimum
sound tuning (Full Auto MCACC)
on page
26 ), or set
Auto MCACC
menu under
Auto MCACC
under
ADVANCED MCACC
to
Full Band Phase Ctrl
. Select
ALL
when you
perform the
Auto MCACC
with
Auto MCACC
menu. Upon calibration of the frequency-
phase characteristics of the speakers, the
Full Band Phase Ctrl
feature is automatically
switched on.
!
The original characteristics of group delay
of the speakers calibrated and the targeted
characteristics after correction can be
displayed graphically in the GUI screen (see
Checking MCACC Data
on page 66 ). Also,
by transferring the measurement data to the
computer using the CD-ROM (AVNavigator),
the original characteristics of group delay of
the speakers calibrated and the corrected
characteristics of group delay can be
displayed in 3-dimension on your PC. For
details, refer to the operating instructions
for the Advanced MCACC PC Display
Application Software included on the CD-ROM
(AVNavigator).
!
Depending on the input signal and listening
mode, it may not be possible to set the
Full Band Phase Ctrl
mode to
ON
.
!
The
Full Band Phase Ctrl
mode cannot be set
to
ON
in the following cases:
—
When headphones are plugged in.
—
When the
PURE DIRECT
mode is switched
on.
—
When the
HDMI
audio output parameter is
set to
THROUGH
in Setting the
Setting the
Audio options
on page 50 .
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