Operating Instructions

64
US
4 Press X/x to select the surround back
mode you want according to the input
stream, then press ENTER or AMP
MENU.
The default setting is “SB MATRIX.”
When selecting “SB MATRIX”
Dolby Digital EX or DTS-ES is applied to
decode the surround back signal regardless of
the 6.1 channel decode flag
a)
in the input stream.
This decoder conforms to Dolby Digital EX or
DTS-ES.
When selecting “SB AUTO”
When you input stream contains the 6.1 channel
decoding flag
a)
, the appropriate decoder is
applied to decode the surround back signal.
When selecting “SB OFF”
Surround back decoding is not performed.
a) 6.1 channel decode flag is information recorded in
software like DVD.
b) Dolby Digital DVD that includes a Surround EX
flag. Check the Dolby Corporation web page help
for information about Surround EX films.
c) Software encoded with a flag to denote it has both
Surround EX and 5.1 channel signals.
d) Software encoded with both 5.1 channel signals and
an extension stream designed for returning those
signals to 6.1 discrete channels. Discrete 6.1
channel signals are DVD specific signals, not used
in movie theaters.
Notes
• You can select the surround back decoding only when
AUTO FORMAT DIRECT AUTO mode is selected
(page 59). In other sound fields, this function is
bypassed internally.
• Some discs have no Dolby Digital EX flag, even
though their packaging may contain a Dolby Digital
Surround EX logo. In this case, select
“SB
MATRIX.
”
Input stream Output
channel
Applied surround back
decoder
Dolby Digital
5.1
6.1 Matrix decoder conforms
to Dolby Digital EX
DTS 5.1 6.1 DTS Matrix decoder
Dolby Digital
EX
b)
6.1 Matrix decoder conforms
to Dolby Digital EX
DTS-ES Matrix
6.1
c)
6.1 DTS Matrix decoder
DTS-ES
Discrete 6.1
d)
6.1 DTS Discrete decoder
Input stream Output
channel
Applied surround back
decoder
Dolby Digital
5.1
5.1 —
DTS 5.1 5.1 —
Dolby Digital
EX
b)
6.1 Matrix decoder conforms
to Dolby Digital EX
DTS-ES Matrix
6.1
c)
6.1 DTS Matrix decoder
DTS-ES
Discrete 6.1
d)
6.1 DTS Discrete decoder