Apple Logic Pro 9 - Manual (Page 1159)

7.1 (SDDS-Sony Dynamic Digital Sound) Surround Format
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.
–22.5°
0°
+22.5°
–135°
–45°
+135°
+45°
Mixing
position
LFE
C
Ls
L
Lc Rc
Rs
R
Understanding the Channels Used by Surround Formats
This section provides details on the channels used by each of the supported surround
formats.
Channels used Surround Format
L - R - Ls - Rs Quadraphonic
L - C - R - S LCRS (Pro Logic)
L - C - R - Ls - Rs - LFE 5.1 (ITU 775)
L - C - R - Ls - S - Rs - LFE 6.1 (ES/EX)
L - C - R - Lm - Rm - Ls - Rs - LFE 7.1 (3/4.1)
L - Lc - C - Rc - R - Ls - Rs - LFE 7.1 (SDDS)
Table Key
µ
L = (Front) Left
µ
Lc = Left Center
µ
C = Center
µ
Rc = Right Center
µ
R = (Front) Right
µ
Lm = Left Mid
µ
Rm = Right Mid
1159 Chapter 39 Working with Surround