Sony STR-DE935 Operating Instructions Manual page 34

Sound field
Effect
VIRTUAL ENHANCED A*
(Virtual Enhanced Surround A)
Uses 3D sound imaging to create 3 sets of virtual rear
speakers from the sound of the front speakers without
using actual rear speakers.
VIRTUAL ENHANCED B*
(Virtual Enhanced Surround B)
Uses 3D sound imaging to create 1 set of virtual rear
speakers from the sound of the front speakers without
using actual rear speakers.
(amplified) music.
GAME
Obtains maximum audio impact from video game
software.
* "VIRTUAL" sound field: Sound field with virtual speakers.
Notes
Be sure to set the game machine to stereo
mode when using game software with
stereo sound capabilities.
speakers.
Use the buttons on the front panel to operate the following modes
AUTO FORMAT DECODING
(Press the A.F.D. button)
Automatically detects the type of audio signal being
input (Dolby Digital, DTS, Dolby Pro Logic, or standard
2 channel stereo) and performs the proper decoding if
necessary. This mode presents the sound as it was
recorded /encoded, without adding any effects.
You can use this mode as a reference. Set
the equalizer to OFF while using this mode
to hear the source sound exactly as it was
recorded.
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