Sony STR-DA2100ES Operating Instructions for STRDA2100ES Operating Instructions Manual page 34

How to select the surround back decoding mode
You can select the surround back mode you want according to the input stream.
When you select "SB DEC AUTO"
When the input stream contains the 6.1 channel decode flag
decode the surround back signal.
Input stream
Dolby Digital 5.1
b)
Dolby Digital EX
DTS 5.1
DTS-ES Matrix 6.1
DTS-ES Discrete 6.1
b)
Dolby Digital EX
DTS-ES Matrix 6.1
DTS-ES Discrete 6.1
When you select "SB DEC ON"
To decode the surround back signal regardless of the 6.1 channel decode flag
applied when the output channel is 6.1 and Dolby Digital EX or Dolby Pro Logic IIx is applied when
the output channel is 7.1.
Input stream
Dolby Digital 5.1
b)
Dolby Digital EX
DTS 5.1
DTS-ES Matrix 6.1
DTS-ES Discrete 6.1
Dolby Digital 5.1
b)
Dolby Digital EX
DTS 5.1
DTS-ES Matrix 6.1
DTS-ES Discrete 6.1
When you select "SB DEC OFF"
Surround back decoding is not performed.
a)
6.1 channel decode flag is the information recorded in software like DVDs.
b)
Dolby Digital DVD that includes a Surround EX flag. The Dolby Corporation web page can help you distinguish
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.
e)
When two surround back speakers are connected and the surround back speaker selection parameter in the SP SET
UP menu is set to "DUAL", the output channel will be 7.1 channels.
Note
There may be no sound from the surround back speaker in Dolby Digital EX Mode. Some discs have no Dolby
Digital EX flag even the packages have Dolby Digital EX logos. In this case, select "SB DEC ON".
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Output channel
e)
5.1
e)
6.1
e)
5.1
c) e)
6.1
d) e)
6.1
7.1
c)
7.1
d)
7.1
Output channel
e)
6.1
e)
6.1
e)
6.1
c) e)
6.1
d) e)
6.1
7.1
7.1
7.1
c)
7.1
d)
7.1
a)
, the appropriate decoder is applied to
Applied surround back decoder
—
Matrix decoder conforms to Dolby Digital EX
—
DTS Matrix decoder
DTS Discrete decoder
Matrix decoder conforms to Dolby Pro Logic IIx
DTS Matrix decoder
DTS Discrete decoder
Applied surround back decoder
Matrix decoder conforms to Dolby Digital EX
Matrix decoder conforms to Dolby Digital EX
Matrix decoder conforms to Dolby Digital EX
Matrix decoder conforms to Dolby Digital EX
Matrix decoder conforms to Dolby Digital EX
Matrix decoder conforms to Dolby Pro Logic IIx
Matrix decoder conforms to Dolby Pro Logic IIx
Matrix decoder conforms to Dolby Digital EX
Matrix decoder conforms to Dolby Digital EX
Matrix decoder conforms to Dolby Digital EX
a)
, Dolby Digital EX is