Sony STR-DE1075 - Manual (Page 29)

29
Enjoying Surround Sound
6.1CH DECODING
Press 6.1CH DECODING to adjust the
6.1 channel matrix parameter in the SET UP
menu
(page 40).
This function works only for the multi channel
format [3/2].
This function is effective for the following
sound fields.
• A.F.D.*
• NORMAL SURROUND
• CINEMA STUDIO EX A–C
• SEMI CINEMA STUDIO EX A–C
• NIGHT THEATER
• MONO MOVIE
• STEREO MOVIE
• V. MULTI DIMENSION
• VIRTUAL MULTI REAR
• V. SEMI M. DIMENSION
• VIRTUAL ENHANCED A, B
* You can select “AUTO” only.
About 6.1 channel matrix decoding
Some movies released after summer 1999 added a
new channel to the preexisting 5.1 channels. The new
channel added speakers behind the listening position.
In the movie theaters, these speakers are placed on the
rear wall, on each side of the projection room’s
window.
The 6.1 channel system used in the movie theaters is
called Dolby Surround EX system. However, to
record on movie film, this 6.1 channel is converted to
5.1 channel using matrix encoding, and the same
number of channels are used as Dolby Digital and
DTS recordings. Recordings on DVD also use the
same signals.
A lot of movie theaters screen movies with matrix
encoded 5.1 channel signals and this is not unnatural
to the ears. However, when a matrix decoder is used
to create surround back speaker signals it simulates
the same 6.1 channel sound as Dolby Surround EX
system in the movie theaters.
This unit is equipped with a matrix decoder allowing
for 6.1 channel sound production.