Speaker virtualizer, P. 184), Channel speaker configurations or less – Denon AVR-A1H 15.4-Channel Network A/V Receiver User Manual
Page 184: Ospeaker virtualizer, Ocenter spread

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Speaker Virtualizer
The Speaker Virtualizer enhances the surround and height speaker
channels to create an enveloping virtual surround effect.
On
(Default):
Enables “Speaker Virtualizer”.
Off:
Disables “Speaker Virtualizer”.
0
You can set this when the sound mode is “Dolby Atmos”, “Dolby Surround” or
sound mode that has “+Dolby Surround” in the sound mode name.
0
Usable when not using height, ceiling or Dolby Atmos Enabled speakers, or
when not using surround speakers.
0
Audio is not output from the surround back speaker if “Speaker Virtualizer” is
set to “On” when “Speaker Configuration” - “Surround Back” is set to “1 spkr”
in the menu.
0
Audio is not output from the front wide speaker if “Speaker Virtualizer” is set to
“On”.
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Center Spread
Center Spread expands the center channel signal to left and right front
speakers to create a wider frontal audio image for the listener. It is
optimized and designed primary for playback of stereo music content.
On:
Use “Center Spread”.
Off
(Default):
Do not use “Center Spread”.
0
You can set this when sound mode is “Dolby Surround”.
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