Onkyo TX-NR 838 Manual page 47

This unit supports DSD signals input through HDMI IN. However,
depending on the connected player, better sound is possible when output
from the PCM output of the player. In that case, configure the player for
PCM output.
This listening mode can be selected only if your Blu-ray Disc/DVD player
is digitally connected to the unit or the player's output setting is bitstream.
DTS
This mode is for use with DTS sources. The audio from the input source is
output as-is, without surround sound processing.
Input source: 5.1 ch
Speaker configuration: 3.1 ch, 5.1 ch, 7.1 ch
This listening mode can be selected only if your Blu-ray Disc/DVD player
is digitally connected to the unit or the player's output setting is bitstream.
DTS 96/24
This mode is for use with DTS 96/24 sources. The audio from the input
source is output as-is, without surround sound processing. With 96 kHz
sampling rate and 24-bit resolution, it provides superior fidelity.
Input source: 5.1 ch
Speaker configuration: 3.1 ch, 5.1 ch, 7.1 ch
Depending on the settings, this listening mode becomes DTS.
This listening mode can be selected only if your Blu-ray Disc/DVD player
is digitally connected to the unit or the player's output setting is bitstream.
DTS Express
This mode is for use with DTS Express sources. The audio from the input
source is output as-is, without surround sound processing.
Input source: 5.1 ch
Speaker configuration: 3.1 ch, 5.1 ch, 7.1 ch
This listening mode can be selected only if your Blu-ray Disc/DVD player
is digitally connected to the unit or the player's output setting is bitstream.
DTS-HD HR (DTS-HD High Resolution Audio)
This mode is for use with DTS-HD High Resolution Audio sources. The
audio from the input source is output as-is, without surround sound
processing.
Input source: 5.1 ch, 7.1 ch
Speaker configuration: 3.1 ch, 5.1 ch, 7.1 ch
This listening mode can be selected only if your Blu-ray Disc/DVD player
is digitally connected to the unit or the player's output setting is bitstream.