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Using The Sound Retriever; Using Phase Control - Pioneer VSX-RS320-k Operating Instructions Manual

Audio/video multi-channel receiver.
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04
Listening to your system

Using the Sound Retriever

When audio data is removed during the
compression process, sound quality often
suffers from an uneven sound image. The
Sound Retriever feature employs new DSP
technology that helps bring CD quality sound
back to compressed 2-channel audio by
restoring sound pressure and smoothing
jagged artifacts left over after compression.
TODOROKI
Press S.RETRIEVER to switch the sound
retriever on or off.

Using Phase Control

This receiver's Phase Control feature uses
phase correction measures to make sure your
sound source arrives at the listening position in
phase, preventing unwanted distortion and/or
coloring of the sound (see illustration below).
During multichannel playback, LFE (Low-
Frequency Effects) signals as well as low-
frequency signals in each channel are
assigned to the subwoofer or other the
subwoofer and the most appropriate speaker.
At least in theory, however, this type of
processing involves a group delay that varies
with frequency, resulting in phase distortion
where the low-frequency sound is delayed or
Note
1 The Sound Retriever is only applicable to 2-channel sources.
2 Phase matching is a very important factor in achieving proper sound reproduction. If two waveforms are 'in phase', they crest
and trough together, resulting in increased amplitude, clarity and presence of the sound signal. If a crest of a wave meets a
trough (as shown in the upper section of the diagram above) then the sound will be 'out of phase' and an unreliable sound
image will be produced.
• If your subwoofer has a phase control switch, set it to the plus (+) sign (or 0°). However, the effect you can actually feel when
PHASE CONTROL is set to ON on this receiver depends on the type of your subwoofer. Set your subwoofer to maximize the
effect. It is also recommended you try changing the orientation or the place of your subwoofer.
• Set the built-in lowpass filter switch of your subwoofer to OFF. If this cannot be done on your subwoofer, set the cutoff
frequency to a higher value.
• If the speaker distance is not properly set, you may not have a maximized PHASE CONTROL effect.
• The PHASE CONTROL mode cannot be set to ON in the following cases:
– When the PURE DIRECT mode is switched on.
– When the MULTI IN input is selected.
28
En
VOL
PHASE S.RETRIEVER
S.RETRIEVER
muffled by the conflict with other channels.
With the Phase Control mode switched on, this
receiver can reproduce powerful bass sound
without deteriorating the quality of the original
sound (see illustration below).
P
Front speaker
H
A
S
E
C
O
N
T
R
1
O
L
Sound
O
F
source
Subwoofer
F
Front speaker
P
H
A
S
E
C
O
N
T
R
O
L
Sound
O
source
Subwoofer
N
Phase Control technology provides coherent
sound reproduction through the use of phase
2
matching
for an optimal sound image at your
listening position. The default setting is on and
we recommend leaving Phase Control
switched on for all sound sources.
TODOROKI
Press PHASE to switch on phase correction.
Listening
position
Listening
position
VOL
PHASE
PHASE S.RETRIEVER
?

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Latest comments:
  • lovemore Dec 31, 2016 12:25:
    pioneer vsx-rs320 not coming on but was switched off yesterday
    ​what could be the problem ?
  • hamedparto Jul 14, 2016 09:59:
    please internal map Pioneer VSX-RS320-​k
  • hamedparto Jul 14, 2016 09:45:
    hello
    pleas map Pioneer VSX-RS320-​k