Pioneer VSX-520 User Manual download pdf (Page 32)

Listening to your system04

Phase Control technology provides coherent

sound reproduction through the use of phase

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.

•Press

PHASE

to switch on phase to switch

the Phase Control on or off.

Using surround back channel

processing

You can have the receiver automatically use 6.1

or 7.1 decoding for 6.1 encoded sources (for

example, Dolby Digital EX or DTS-ES), or you

can choose to always use 6.1 or 7.1 decoding

(for example, with 5.1 encoded material). With

5.1 encoded sources, a surround back channel

will be generated, but the material may sound

better in the 5.1 format for which it was

originally encoded (in which case, you can

simply switch surround back channel

processing off).

• With a 7.1-channel surround system, audio

signals that have undergone matrix

decoding processing through surround

back channel processing to which the Up

Mix function is added are output from the

surround back speakers.

• Press , then press SB CH

repeatedly to cycle the surround back

channel options.

Each press cycles through the options as

follows:

• SB ON –

Matrix decoding processing for

generating the surround back component

from the surround component is turned on.

• SB AUTO – Matrix decoding processing for

generating the surround back component

from the surround component is switched

automatically. Matrix decoding processing

is only performed when surround back

channel signals are detected in the input

signals.

• SB OFF – Matrix decoding processing for

generating the surround back component

from the surround component is turned

off.

Note

1 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 headphones are connected.

ADAPTER

TUNER

PORTABLE

PHASE

S.RETRIEVER SIGNAL SEL

VOL

INPUT SELECT

SOURCESLEEP

CONTROL

INPUT

RECEIVER

DTV/TV

DIMMER

MIDNIGHT

TEST TONE

HDD

SPEAKERS

LEV

SB CH

DISP

DVD

CH SELECT

VCR

SHIFT

RECEIVER

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Pioneer VSX-520 User Manual Page 32

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