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 flaga) in the input stream. This decoder conforms to Dolby Digital EX or DTS-ES.

Input stream

Output

Applied surround back

 

channel

decoder

 

 

 

Dolby Digital

6.1

Matrix decoder conforms

5.1

 

to Dolby Digital EX

 

 

 

DTS 5.1

6.1

DTS Matrix decoder

 

 

 

Dolby Digital

6.1

Matrix decoder conforms

EXb)

 

to Dolby Digital EX

DTS-ES Matrix

6.1

DTS Matrix decoder

6.1c)

 

 

DTS-ES

6.1

DTS Discrete decoder

Discrete 6.1d)

 

 

When selecting “SB AUTO”

When you input stream contains the 6.1 channel decoding flaga), the appropriate decoder is applied to decode the surround back signal.

Input stream

Output

Applied surround back

 

channel

decoder

 

 

 

Dolby Digital

5.1

—

5.1

 

 

 

 

 

DTS 5.1

5.1

—

 

 

 

Dolby Digital

6.1

Matrix decoder conforms

EXb)

 

to Dolby Digital EX

DTS-ES Matrix

6.1

DTS Matrix decoder

6.1c)

 

 

DTS-ES

6.1

DTS Discrete decoder

Discrete 6.1d)

 

 

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 54). 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.”

Adjustments Sound

59GB