Onkyo TX-NR797 Instruction Manual page 107

other than Atmos cannot be selected.
DD (Dolby Audio - DD)
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This mode faithfully reproduces the sound design recorded in the Dolby Digital
audio format.
Dolby Digital is a multi-channel digital format developed by Dolby Laboratories,
Inc. and is widely adopted for use in movie production. It is also a standard audio
format for DVD-Video and Blu-ray Discs. It is possible to record a maximum of
5.1 channels on a DVD-Video or Blu-ray Disc; two front channels, one center
channel, two surround channels, and the LFE channel dedicated to the bass
region (sound elements for the subwoofer).
• To enable transfer of this audio format, connect via a digital cable and set the
audio output on the player to Bitstream output.
DD+ (Dolby Audio - DD+)
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This mode faithfully reproduces the sound design recorded in the Dolby Digital
Plus audio format.
The Dolby Digital Plus format has been improved based on Dolby Digital,
increasing the number of channels and endeavoring to improve sound quality
by giving more flexibility in data bit rates. Dolby Digital Plus is an optional audio
format based on 5.1ch for Blu-ray Discs. It is possible to record a maximum of 7.1
channels with additional channels such as the surround back channel.
• To enable transfer of this audio format, connect via an HDMI cable and set the
audio output on the player to Bitstream output.
DSur (Dolby Audio - Surr)
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( Firmware version before supporting DSur 2.0, etc.)
This listening mode expands actual channels to more channels for playback
according to the configuration of the connected speakers by expanding the input
signals from 2ch or 5.1ch to 5.1ch, 7.1ch or 5.1.2ch.
• This mode cannot be selected when DTS signal is input.
DSur (Dolby Audio - Surr)
„
( Firmware version supporting DSur 2.0, etc.)
This listening mode expands 2ch or 5.1ch input signals to 5.1ch, 7.1ch or 5.1.2ch.
This mode expands actual channels to more channels for playback according to
Contents Connections
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the configuration of the connected speakers. Also, even if there is no speaker for
expansion, for example when only front speakers are connected, audio of surround
channel or height channel is virtually created for expansion playback.
• This mode cannot be selected when DTS signal is input.
According to the speaker layout, the following listening modes are displayed.
– DSur 2.0/2.1: When only front speakers are installed
– DSur 3.0/3.1: When front speakers and center speaker are installed
– DSur 4.0/4.1: When front speakers and surround speakers are installed
– DSur 5.0/5.1: When front speakers, center speaker and surround
speakers are installed
– DSur 6.0/6.1: When front speakers, surround speakers and surround back
speakers are installed
– DSur 7.0/7.1: When front speakers, center speaker, surround speakers
and surround back speakers are installed
– DSur 2.0.2/2.1.2: When front speakers and height speakers are installed
– DSur 3.0.2/3.1.2When front speakers, center speaker and height speakers
are installed
– DSur: Selectable in the "4.1.2ch", "5.1.2ch", "6.1.2ch", "7.1.2ch",
"4.1.4ch" or "5.1.4ch" setting with surround speakers and height speakers
installed.
• When "Speaker Virtualizer" (
other than DSur cannot be selected.
DTHD (Dolby Audio - TrueHD)
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This mode faithfully reproduces the sound design recorded in the Dolby TrueHD
audio format.
The Dolby TrueHD audio format is a "lossless" format expanded based on the
lossless compression technology referred to as MLP, and it faithfully reproduces
the master audio recorded in the studio. Dolby TrueHD is an optional audio
format based on 5.1ch for Blu-ray Discs. It is possible to record a maximum of 7.1
channels with additional channels such as the surround back channel. 7.1ch is
recorded at 96 kHz/24 bit, and 5.1ch is recorded at 192 kHz/24 bit.
• To enable transfer of this audio format, connect via an HDMI cable and set the
audio output on the player to Bitstream output.
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Front Panel≫ Rear Panel≫ Remote≫
Playback
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p141) is set to "Off" (Default: On), modes
Setup
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