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Is 7.1 channels in the DSP settings always 7.1?

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arcspin:
I myself who also uses a AVM70 always send a PCM stream from JRiver to AVM70.
Atmos tracks are almost always underperforming in regards of immersive activity from the top/height channels.
When sending a PCM stream to the AVM70, AVM70 upmixes the PCM with a Dolby upmixer and the result is a more immersive top/heights channels.
And, the experience is comparable when I get the same immersive upmix on all my movies regardless if the movie is Atmos or not.

audunth:
arcspin, thanks for the input, good to know! I've been thinking about upgrading my old Yamaha (partly because of HDMI issues), but if Atmos isn't better for 7.1 than TrueHD, then no need to shell out thousands of $ for a new one. I'm pretty happy with the sound immersion as it is  :)

arcspin:
Correct,
Dolby Atmos is metadata that rides on top of Dolby TrueHD which provides the codes for height channels in a Dolby Atmos-compatible surround sound setup.
If the surround receiver cannot process bitstreamed Atmos the Atmos meta data is simply striped away.

curiousMonkey:
When I have JRiver DSP configured as 7.1, it places stereo, multichannel music and bitstream surround sound formats without any problems. I tried switching to Same as Source and multichannel music does play, but the Anthem still does not change processing modes. However bitstream audio (Dolby Atmos) no longer plays.

dtc:
There is a feature called Zones. You can create  separate zones that have a unique set of DSP settings associated with each zone. So, you could set up a 2 channel zone and a 7.1 channel zone. Then there is an option called ZoneSwitch that will change to the appropriate zone based on the parameters you set, like number of channels. It is a little more complicated to set up, but it may be what you need.

https://wiki.jriver.com/index.php/Zones

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