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Sony DAV-SR4W User Manual

Page 59

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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 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.

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