How to select the surround back decoding mode, When you select “sb dec auto, When you select “sb dec on – Sony STR-DE998 User Manual

Page 34: When you select “sb dec off

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STR-DE998-U.fm]

34

US

model name1[STR-DE998]

[2-580-804-11(1)]

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

a)

, the appropriate decoder is applied to

decode the surround back signal.

When you select “SB DEC ON”

To decode the surround back signal regardless of the 6.1 channel decode flag

a)

, Dolby Digital EX is

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.

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 speakers selection parameter in the
SPEAKER 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 though the packages have Dolby Digital EX logos. In this case, select “SB DEC ON”.

Input stream

Output channel

Applied surround back decoder

Dolby Digital 5.1

5.1

e)

Dolby Digital EX

b)

6.1

e)

Matrix decoder conforms to Dolby Digital EX

DTS 5.1

5.1

e)

DTS-ES Matrix 6.1

c)

6.1

e)

DTS Matrix decoder

DTS-ES Discrete 6.1

d)

6.1

e)

DTS Discrete decoder

Dolby Digital EX

b)

7.1

Matrix decoder conforms to Dolby Pro Logic IIx

DTS-ES Matrix 6.1

c)

7.1

DTS Matrix decoder

DTS-ES Discrete 6.1

d)

7.1

DTS Discrete decoder

Input stream

Output channel

Applied surround back decoder

Dolby Digital 5.1

6.1

e)

Matrix decoder conforms to Dolby Digital EX

Dolby Digital EX

b)

6.1

e)

Matrix decoder conforms to Dolby Digital EX

DTS 5.1

6.1

e)

Matrix decoder conforms to Dolby Digital EX

DTS-ES Matrix 6.1

c)

6.1

e)

Matrix decoder conforms to Dolby Digital EX

DTS-ES Discrete 6.1

d)

6.1

e)

Matrix decoder conforms to Dolby Digital EX

Dolby Digital 5.1

7.1

Matrix decoder conforms to Dolby Pro Logic IIx

Dolby Digital EX

b)

7.1

Matrix decoder conforms to Dolby Pro Logic IIx

DTS 5.1

7.1

Matrix decoder conforms to Dolby Digital EX

DTS-ES Matrix 6.1

c)

7.1

Matrix decoder conforms to Dolby Digital EX

DTS-ES Discrete 6.1

d)

7.1

Matrix decoder conforms to Dolby Digital EX

GB01COV_STR-DE998-U.book Page 34 Monday, January 17, 2005 2:49 PM

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