Sony STR-DE845 Training Manual page 6

2) V. Multi Rear: Uses 3D image processing to create three sets of virtual speakers from a six-speaker
system (two actual rear speakers; ref. Figures. 2-6, 2-7 and 2-8). The position of the rear speakers (Side,
Mid or Rear) must be programmed in the A/V receiver SET-UP menu for this sound field effect to work
properly. Note: No 30-degree higher effect.
L LFE C
L S
1
2
3 3
FIGURE 2-6 - Rear Speakers Side
3) V. Semi-M. Dimension: Uses 3D image processing to create five sets of virtual rear/surround speakers
surrounding and positioned at an elevation of 30 degrees higher then the listener. This is accomplished
using only the front left and right speakers without using actual rear speakers (ref. Figure 2-9).
2
4) Virtual Enhanced A: Uses 3D image processing to create three sets of virtual rear/surround speakers.
This is accomplished using only the front left and right speakers without using actual rear speakers (ref.
Figure 2-10).
R
L
RS
1
2
1
2
FIGURE 2-7 - Rear Speakers Middle
L LFE
1
3
4
LFE C R
1
2
R S
L S
3 3
C
5 5
FIGURE 2-9
4
2. Sound Fields
L LFE C
1
2
3
LS RS
FIGURE 2-8 - Rear Speakers Behind
R
1
2
3
4
R
1
2
3