Sony NSZ-GT1 Help Manual page 74

Press Fn + 1 and select [Picture & sound] - [BD audio mix setting].
On:
Off:
Note
Do not change settings while playing a Blu-ray disc.
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Dolby Digital (Optical)
Select the audio signals to be output when playing discs recorded with Dolby Digital audio.
Press Fn + 1 and select [Picture & sound] - [Dolby Digital (Optical)].
When the connected device does not have a built-in Dolby Digital decoder, select [Off (Downmix
PCM)].
Tip
The audio signals are output by Linear PCM if [Off (Downmix PCM)] is selected when
connected to a device without a built-in Dolby Digital decoder.
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Dolby Digital pass-through
Set whether or not to transmit Dolby Digital signals from the cable/satellite box to your audio
system via an HDMI or an optical digital cable connection.
Press Fn + 1 and select [Picture & sound] - [Dolby Digital pass-through].
On:
Off:
Note
When [Dolby Digital pass-through] is set to [On] and the cable/satellite box outputs PCM
signals, PCM signals are transmitted to your audio system.
This setting has no effect when you use the PIP (Picture-in-Picture) function.
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NSZ-GT1
Outputs the audio obtained by mixing the
interactive and secondary audio to the primary
audio.
Outputs the primary audio only. Select this to
output HD audio signals, such as Dolby TrueHD,
to an AV Receiver.
Transmits Dolby Digital signals to your audio
system when the cable/satellite box outputs Dolby
Digital signals. When relaying Dolby Digital
signals, other audio signals cannot be
transmitted.
Transmits only PCM signals from the
cable/satellite box to your audio system.
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