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Dirac LiveCan I use ATMOS with Dirac? What about upfiring speakers vs ceiling speakers?
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Can I use ATMOS with Dirac? What about upfiring speakers vs ceiling speakers?

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ATMOS: Upfiring speakers vs ceiling speakers

Upfiring speakers behave differently than ceiling speakers in Dirac Live (if they have been properly labeled in the device).
The speaker type should be "DOLBY_ATMOS_SPEAKER" for upfiring speakers. This should trigger a pre-emphasis filter being applied on the device to the stimuli played through such a speaker.

The pre-emphasis filter is there to ensure that the special Dolby-patented target curve for such speakers is not "destroyed" by the Dirac Live filter design.

Basically, the pre-emphasis filter will hide the Dolby-filter from our measurements. This doesn't happen in Dirac Live, it happens on the device.

1

Open Network Settings

Go to: Settings -> Additional -> Network
and Next to "Monitor selected ports only" Press "Select"

2

Disable port 5000

You see that port 5000, which the NAD and other units uses for communication with Dirac Live, is active for "monitoring".

If you disable that it should work.

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