Pioneer VSX-1125-k, Operating Instructions Manual

Page: 77 / 112

The Advanced MCACC menu 10
77
En
it r esults in an ove r ly r esonant (‘boomy’) sound. The
Standing Wave Cont r ol uses filte r s to r educe the effect of
ove r ly r esonant sounds in you r listening a r ea. Du r ing
p layback of a sou r ce, you can customize the filte r s used
fo r Standing Wave Cont r ol fo r each of you r MCACC
pr esets.
1
1 Select ‘Standing Wave’ from the Manual MCACC
setup menu.
2 Adjust the parameters for the Standing Wave
Control.
•
Filter Channel
– Select the channel to which you will
a pp ly the filte r (s):
MAIN
(all exce p t cente r channel
and subwoofe r ), Center o r SW (subwoofe r ).
• TRIM (only available when the filter channel above is
SW ) – Adjust the subwoofe r channel level (to
com p ensate fo r the diffe r ence in out p ut p ost-filte r ).
• Freq / Q / ATT – These a r e the filte r p a r amete r s whe r e
Freq r e pr esents the f r equency you will be ta r geting
and Q is the bandwidth (the highe r the Q, the
na rr owe r the bandwidth, o r r ange) of the attenuation
( ATT , the amount of r eduction to the ta r geted
f r equency).
3 When you’re finished, press RETURN.
You will r etu r n to the Manual MCACC setu p menu.
Acoustic Calibration EQ Adjust
• Default setting:
ON
/
0.0dB
(all channels/bands)
Acoustic Calib r ation Equalization is a kind of r oom
equalize r fo r you r s p eake r s (excluding the subwoofe r ). It
wo r ks by measu r ing the acoustic cha r acte r istics of you r
r oom and neut r alizing the ambient cha r acte r istics that
can colo r the o r iginal sou r ce mate r ial ( pr oviding a ‘flat’
equalization setting). If you’ r e not satisfied with the
adjustment pr ovided in Automatically conducting
optimum sound tuning (Auto MCACC) on p age 37 o r
Automatic MCACC (Expert) on p age 73, you can also
adjust these settings manually to get a f r equency
balance that suits you r tastes.
1 Select ‘EQ Adjust’ from the Manual MCACC setup
menu.
2 Select the channel(s) you want and adjust to your
liking.
Use
/
to select the channel.
Use
/
to select the f r equency and
/
to boost o r
cut the EQ. When you’ r e finished, go back to the to p of
the sc r een and pr ess

to r etu r n to Ch , then use
/
to
select the channel.
• The
OVER!
indicato r shows in the dis p lay if the
f r equency adjustment is too d r astic and might
disto r t. If this ha pp ens, b r ing the level down until
OVER!
disa pp ea r s f r om the dis p lay.
Tip
• Changing the f r equency cu r ve of one channel too
d r astically will affect the ove r all balance. If the s p eake r
balance seems uneven, you can r aise o r lowe r channel
levels using test tones with the TRIM featu r e. Use
/

to select TRIM , then use
/
to r aise o r lowe r the
channel level fo r the cu rr ent s p eake r .
3 When you’re finished, press RETURN.
You will r etu r n to the
Manual MCACC
setu p menu.
Acoustic Calibration EQ Professional
This setu p minimizes the unwanted effects of r oom
r eve r be r ation by allowing you to calib r ate you r system
based on the di r ect sound coming f r om the s p eake r s.
How to use Acoustic Calibration EQ Professional
If you find that lowe r f r equencies seem ove r ly r eve r be r ant
in you r listening r oom (i.e. it sounds ‘boomy’), o r that
diffe r ent channels seem to exhibit diffe r ent r eve r b
cha r acte r istics (when Ty p e A o r Ty p e B shown on the
diag r ams on the following a pp lies), select EQ Pro. & S-
Wave (o r ALL ) fo r the Auto MCACC setting in
Automatic
MCACC (Expert)
on p age 73 to calib r ate the r oom
automatically.
•
Type A: Reverberance of high vs. low frequencies
• Type B: Reverb characteristics for different
channels
If the p atte r n is as shown above, select the 30-50ms
setting. If not, this setting is not necessa r y.
Note
1 Standing Wave cont r ol filte r settings cannot be changed du r ing p layback of sou r ces using the HDMI connection.
Level
Low
f
r equencies
Acoustic Cal. EQ P r o.
calib r ation r ange
Time
(in msec)
80 160
High
f
r equencies
Conventional MCACC
EQ calib
r ation r ange
0
Level
F r ont L
Acoustic Cal. EQ P r o.
calib r ation r ange
Time
(in msec)
80 160
F r ont R
Conventional MCACC
EQ calib
r ation r ange
0
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