Sony STR-DG1000 - Manual (Page 73)

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Type of A.F.D. mode
*
You cannot select this decoding mode if there are no surround back speakers connected to the receiver.
A.F.D. mode Multi-channel audio after
decoding Effect
A.F.D. AUTO (Detecting automatically) Presets the sound as it was recorded/encoded
without adding any surround effects.
PRO LOGIC 4-channel signals Performs Dolby Pro Logic decoding. The
source recorded in 2 channel format is decoded
into 4.1 channels.
PRO LOGIC II MOVIE 5-channel signals Performs Dolby Pro Logic II Movie mode
decoding. This setting is ideal for movies
encoded in Dolby Surround. In Addition, this
mode can reproduce sound in 5.1 channel
system for watching videos of overdubbed or
old movies.
PRO LOGIC II MUSIC 5-channel signals Performs Dolby Pro Logic II Music mode
decoding. This setting is ideal for normal stereo
sources such as CDs.
PRO LOGIC II GAME 5-channel signals Performs Dolby Pro Logic II Game mode
decoding.
PRO LOGIC IIx MOVIE* 7-channel signals Performs Dolby Pro Logic IIx Movie mode
decoding. This setting is ideal for movies
encoded in Dolby Surround. In addition, this
mode can reproduce sound in 7.1 channel
system for watching videos of overdubbed or
old movies.
PRO LOGIC IIx MUSIC* 7-channel signals Performs Dolby Pro Logic IIx Music mode
decoding. This setting is ideal for normal stereo
sources such as CDs.
PRO LOGIC IIx GAME* 7-channel signals Performs Dolby Pro Logic IIx Game mode
decoding.
Neo:6 Cinema 6-channel signals Performs DTS Neo:6 Cinema mode decoding.
Neo:6 Music 6-channel signals Performs DTS Neo:6 Music mode decoding.
This setting is ideal for normal stereo sources
such as CDs.
MULTI STEREO 7-channel signals Outputs 2 channel left/right signals from all
speakers.
NEURAL SURROUND 7-channel signals The receiver outputs signals in the multi-
channel surround format when the receiver
receives PCM signals of 2 channels or an XM
Radio surround broadcast. When the receiver
receives a stereo broadcast, the stereo sound is
emphasized.