Sony STR-DE598 Operating Instructions Manual page 35

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 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
c)
DTS-ES Matrix 6.1
d)
DTS-ES Discrete 6.1
When you select "SB ON"
Dolby Digital EX is applied to decode the surround back signal regardless of the 6.1 channel decode
a)
flag in the input stream. This decoder conforms to Dolby Digital EX and functions the same as the
e)
decoders used in movie theaters.
Input stream
Dolby Digital 5.1
b)
Dolby Digital EX
DTS 5.1
c)
DTS-ES Matrix 6.1
d)
DTS-ES Discrete 6.1
When you select "SB 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)
This decoder can be used for all 6.1 formats (Dolby Digital EX, DTS-ES Matrix 6.1, DTS-ES Discrete 6.1).
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 though the packages have Dolby Digital EX logos. In this case, select "SB ON".
Output channel
5.1
6.1
5.1
6.1
6.1
Output channel
6.1
6.1
6.1
6.1
6.1
a)
, the appropriate decoder is applied to
Applied surround back decoder
—
Matrix decoder conforms to Dolby Digital EX
—
DTS Matrix decoder
DTS Discrete decoder
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
35 GB