Pioneer VSX-820 Calibration EQ, Listening with Acoustic, Listening to your system, Using surround back channel processing

Listening to your system

Phase Control technology provides coherent sound reproduction through the use of phase matching1 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.

		HDD	DVD	VCR
		1	2	3	DISP
RECEIVER	TV	S.RETRIEVER	SB CH	CH SELECT	EQ
RECEIVER	SLEEP SOURCE CONTROL	4	5	6	CH
		4	5	6	CH
RECEIVER		MIDNIGHT SPEAKERS		LEV	PHASE
RECEIVER	INPUT SELECT	7	8	9	CH
	INPUT	DIMMER		LEV	SHIFT
		DIMMER		LEV	SHIFT

•Press RECEIVER , then press PHASE to switch the Phase Control on or off.

Listening with AcousticCalibration EQ

You can listen to sources using the Acoustic Calibration Equalization set in Automatically setting up for surround sound (MCACC) on page 29. Refer to these pages for more on Acoustic Calibration Equalization.

		HDD	DVD	VCR
		1	2	3	DISP
RECEIVER	TV	S.RETRIEVER	SB CH	CH SELECT	EQ
RECEIVER	SLEEP SOURCE CONTROL	S.RETRIEVER	SB CH	CH SELECT	EQ
		4	5	6	CH
RECEIVER	INPUT SELECT	MIDNIGHT SPEAKERS		LEV	PHASE
RECEIVER	INPUT SELECT	7	8	9	CH
	INPUT	DIMMER		LEV	SHIFT
		DIMMER		LEV

•While listening to a source, press RECEIVER , then press EQ to switch the Acoustic Calibration EQ on or off.

The MCACC indicator on the front panel lights when Acoustic Calibration EQ is active.2

Using surround back channel processing

You can have the receiver automatically use

6.1or 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.

		HDD	DVD	VCR
		1	2	3	DISP
RECEIVER	TV	S.RETRIEVER	SB CH	CH SELECT	EQ
RECEIVER	SLEEP SOURCE CONTROL	S.RETRIEVER	SB CH	CH SELECT	EQ
		4	5	6	CH
RECEIVER	INPUT SELECT	MIDNIGHT SPEAKERS		LEV	PHASE
RECEIVER	INPUT SELECT	7	8	9	CH
	INPUT	DIMMER		LEV	SHIFT
		DIMMER		LEV	SHIFT

•Press RECEIVER , 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.

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Note

1Phase 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.

2 You can’t use Acoustic Calibration EQ with Stream Direct mode and it has no effect with headphones.