Apple Logic Pro 8 - Manual (Page 810)

810 Chapter 35 Working With Surround
7.1 (3/4.1)
7.1 (3/4.1) uses the same speaker configuration as 5.1, but adds two additional side
channels (left mid and right mid), placed directly to the left and right of the listening
position. It is designed for a big cinema, in other words.
7.1 (SDDS—Sony Dynamic Digital Sound)
7.1 (SDDS—Sony Dynamic Digital Sound) adds two additional speakers to 5.1 (left
center and right center). As with the other 7.1 format, this is designed for use in a large
cinema, equipped with Sony decoding and playback hardware.
–30°
0°
+30°
–110°
–70°
+110°
+70°
Mixing
position
LFE
Lm
L
Ls Rs
Rm
R
C
–22.5°
0°
+22.5°
–135°
–45°
+135°
+45°
Mixing
position
LFE
C
Ls
L
Lc Rc
Rs
R